Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into usrp2p-next

Conflicts:
	firmware/microblaze/lib/u2_init.c
	host/lib/usrp/usrp2/clock_ctrl.cpp
	host/lib/usrp/usrp2/fw_common.h
	host/lib/usrp/usrp2/mboard_impl.cpp
	host/lib/usrp/usrp2/usrp2_iface.cpp
	host/lib/usrp/usrp2/usrp2_iface.hpp

36 files changed, 1304 insertions, 261 deletions

diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index 81845de21..e4de7bcc7 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -16,6 +16,25 @@
 #
 
 ########################################################################
+# Check Python Modules
+########################################################################
+PYTHON_CHECK_MODULE(
+    "Python version 2.6 or greater"
+    "platform" "platform.python_version() >= '2.6'"
+    HAVE_PYTHON_PLAT_MIN_VERSION
+)
+
+PYTHON_CHECK_MODULE(
+    "Cheetah templates 2.0.0 or greater"
+    "Cheetah" "Cheetah.Version >= '2.0.0'"
+    HAVE_PYTHON_MODULE_CHEETAH
+)
+
+IF(NOT HAVE_PYTHON_PLAT_MIN_VERSION OR NOT HAVE_PYTHON_MODULE_CHEETAH)
+    MESSAGE(FATAL_ERROR "Error: python requirements not met for the build system.")
+ENDIF(NOT HAVE_PYTHON_PLAT_MIN_VERSION OR NOT HAVE_PYTHON_MODULE_CHEETAH)
+
+########################################################################
 # Helpful Macros
 ########################################################################
 MACRO(LIBUHD_APPEND_SOURCES)
diff --git a/host/lib/ic_reg_maps/CMakeLists.txt b/host/lib/ic_reg_maps/CMakeLists.txt
index 772166334..ac051b843 100644
--- a/host/lib/ic_reg_maps/CMakeLists.txt
+++ b/host/lib/ic_reg_maps/CMakeLists.txt
@@ -60,6 +60,16 @@ LIBUHD_PYTHON_GEN_SOURCE(
 )
 
 LIBUHD_PYTHON_GEN_SOURCE(
+    ${CMAKE_SOURCE_DIR}/lib/ic_reg_maps/gen_max2112_regs.py
+    ${CMAKE_BINARY_DIR}/lib/ic_reg_maps/max2112_regs.hpp
+)
+
+LIBUHD_PYTHON_GEN_SOURCE(
+    ${CMAKE_SOURCE_DIR}/lib/ic_reg_maps/gen_max2112_regs.py
+    ${CMAKE_BINARY_DIR}/lib/ic_reg_maps/max2112_regs.hpp
+)
+
+LIBUHD_PYTHON_GEN_SOURCE(
     ${CMAKE_SOURCE_DIR}/lib/ic_reg_maps/gen_ad9862_regs.py
     ${CMAKE_BINARY_DIR}/lib/ic_reg_maps/ad9862_regs.hpp
 )
diff --git a/host/lib/ic_reg_maps/gen_max2112_regs.py b/host/lib/ic_reg_maps/gen_max2112_regs.py
new file mode 100755
index 000000000..c2fc4e3e2
--- /dev/null
+++ b/host/lib/ic_reg_maps/gen_max2112_regs.py
@@ -0,0 +1,181 @@
+#!/usr/bin/env python
+#
+# Copyright 2010 Ettus Research LLC
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+########################################################################
+# Template for raw text data describing write registers
+# name addr[bit range inclusive] default optional enums
+########################################################################
+WRITE_REGS_TMPL="""\
+########################################################################
+## Note: offsets given from perspective of data bits (excludes address)
+########################################################################
+##
+########################################################################
+## N-Divider MSB (0) Write
+########################################################################
+frac                  0[7]          1       invalid, frac
+n_divider_msb         0[0:6]        0
+########################################################################
+## N-Divider LSB (1) Write
+########################################################################
+n_divider_lsb         1[0:7]        0x23
+~n_divider            n_divider_lsb, n_divider_msb
+########################################################################
+## Charge Pump (2) Write
+########################################################################
+cpmp                  2[6:7]        0
+cplin                 2[4:5]        1
+f_divider_mmsb        2[0:3]        0x2
+########################################################################
+## F-Divider MSB (3) Write
+########################################################################
+f_divider_msb         3[0:7]        0xF6
+########################################################################
+## F-Divider LSB (4) Write
+########################################################################
+f_divider_lsb         4[0:7]        0x84 
+~f_divider            f_divider_lsb, f_divider_msb, f_divider_mmsb
+########################################################################
+## XTAL-Divider R-Divider (5) Write
+########################################################################
+#set $xtal_divider_names = ', '.join(map(lambda x: 'div' + str(x), range(1,9)))
+xtal_divider          5[5:7]        0       $xtal_divider_names
+r_divider             5[0:4]        1       
+########################################################################
+## PLL (6) Write
+########################################################################
+d24                   6[7]          1       div2, div4  ## div2 for LO <= 1125M, div4 > 1125M
+cps                   6[6]          1       i_cp_from_icp, i_cp_from_vas
+icp                   6[5]          0       i_cp_600ua, i_cp_1200ua
+##reserved            6[0:4]        0
+########################################################################
+## VCO (7) Write
+########################################################################
+vco                   7[3:7]        0x19
+vas                   7[2]          1       disabled, enabled
+adl                   7[1]          1       disabled, enabled
+ade                   7[0]          1       disabled, enabled
+########################################################################
+## LPF (8) Write
+########################################################################
+lp                    8[0:7]        0x4B    ## map(lambda x: "%0.2f"%((4e6 + (x - 12) * 290e3)/1e6), range(255)) in MHz
+########################################################################
+## Control (9) Write
+########################################################################
+stby                  9[7]          0       normal, disable_sig_and_synth
+##reserved            9[6]          0
+pwdn                  9[5]          0       normal, invalid
+##reserved            9[4]          0
+bbg                   9[0:3]        0       ## Baseband Gain in dB
+########################################################################
+## Shutdown (0xA) Write
+########################################################################
+##reserved            0xA[7]        0
+pll_shutdown          0xA[6]        0       normal, shutdown
+div_shutdown          0xA[5]        0       normal, shutdown
+vco_shutdown          0xA[4]        0       normal, shutdown
+bb_shutdown           0xA[3]        0       normal, shutdown
+rfmix_shutdown        0xA[2]        0       normal, shutdown
+rfvga_shutdown        0xA[1]        0       normal, shutdown
+fe_shutdown           0xA[0]        0       normal, shutdown
+########################################################################
+## Test (0xB) Write
+########################################################################
+cptst                 0xB[5:7]      0
+##reserved            0xB[4]        0
+turbo                 0xB[3]        1
+ld_mux                0xB[0:2]      0       refout=0, invalid
+"""
+
+########################################################################
+# Template for raw text data describing read registers
+# name addr[bit range inclusive] default optional enums
+########################################################################
+READ_REGS_TMPL="""\
+########################################################################
+## Status Byte-1 (0xC) Read
+########################################################################
+por                   0xC[7]        0       read, reset
+vasa                  0xC[6]        0       vas_fail, vas_win
+vase                  0xC[5]        0       active, inactive
+ld                    0xC[4]        0       unlocked, locked
+##reserved            0xC[0:3]      0
+########################################################################
+## Status Byte-2 (0xD) Read
+########################################################################
+vcosbr                0xD[3:7]      0       ## vco band readback
+adc                   0xD[0:2]      0       ool0, lock0, vaslock0, vaslock1, vaslock2, vaslock3, lock1, ool1
+"""
+
+########################################################################
+# Template for methods in the body of the struct
+########################################################################
+BODY_TMPL="""\
+boost::uint8_t get_reg(boost::uint8_t addr){
+    boost::uint8_t reg = 0;
+    switch(addr){
+    #for $addr in sorted(set(map(lambda r: r.get_addr(), $regs)))
+    case $addr:
+        #for $reg in filter(lambda r: r.get_addr() == addr, $regs)
+        reg |= (boost::uint8_t($reg.get_name()) & $reg.get_mask()) << $reg.get_shift();
+        #end for
+        break;
+    #end for
+    }
+    return boost::uint8_t(reg);
+}
+
+void set_reg(boost::uint8_t addr, boost::uint8_t reg){
+    switch(addr){
+    #for $addr in sorted(set(map(lambda r: r.get_addr(), $regs)))
+    case $addr:
+        #for $reg in filter(lambda r: r.get_addr() == addr, $regs)
+        $reg.get_name() = $(reg.get_type())((reg >> $reg.get_shift()) & $reg.get_mask());
+        #end for
+        break;
+    #end for
+    }
+}
+"""
+
+SPLIT_REGS_HELPER_TMPL="""\
+#for $divname in ['n','f']
+void set_$(divname)_divider(boost::uint32_t $divname){
+    #for $regname in sorted(map(lambda r: r.get_name(), filter(lambda r: r.get_name().find(divname + '_divider') == 0, $regs)))
+    #end for
+}
+#end for
+"""
+    #$regname = boost::uint8_t($divname & $regs[regname].get_mask());
+    #$divname = boost::uint32_t($divname >> $regs[regname].get_shift());
+
+if __name__ == '__main__':
+    import common; common.generate(
+        name='max2112_write_regs',
+        regs_tmpl=WRITE_REGS_TMPL,
+        body_tmpl=BODY_TMPL,
+        file=__file__,
+    )
+
+    import common; common.generate(
+        name='max2112_read_regs',
+        regs_tmpl=READ_REGS_TMPL,
+        body_tmpl=BODY_TMPL,
+        file=__file__,
+        append=True,
+    )
diff --git a/host/lib/transport/udp_zero_copy_asio.cpp b/host/lib/transport/udp_zero_copy_asio.cpp
index d84aeefdd..ed29864e9 100644
--- a/host/lib/transport/udp_zero_copy_asio.cpp
+++ b/host/lib/transport/udp_zero_copy_asio.cpp
@@ -336,7 +336,7 @@ template<typename Opt> static void resize_buff_helper(
         else std::cout << boost::format(
             "Current %s sock buff size: %d bytes"
         ) % name % actual_size << std::endl;
-        if (actual_size < target_size) uhd::print_warning(str(boost::format(
+        if (actual_size < target_size) uhd::warning::post(str(boost::format(
             "The %s buffer is smaller than the requested size.\n"
             "The minimum recommended buffer size is %d bytes.\n"
             "See the transport application notes on buffer resizing.\n%s"
diff --git a/host/lib/types.cpp b/host/lib/types.cpp
index 6aa82b012..e5e6a2512 100644
--- a/host/lib/types.cpp
+++ b/host/lib/types.cpp
@@ -17,6 +17,7 @@
 
 #include <uhd/utils/assert.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/tune_request.hpp>
 #include <uhd/types/tune_result.hpp>
 #include <uhd/types/clock_config.hpp>
 #include <uhd/types/stream_cmd.hpp>
@@ -58,6 +59,26 @@ freq_range_t::freq_range_t(double min, double max):
 }
 
 /***********************************************************************
+ * tune request
+ **********************************************************************/
+tune_request_t::tune_request_t(double target_freq):
+    target_freq(target_freq),
+    inter_freq_policy(POLICY_AUTO),
+    dsp_freq_policy(POLICY_AUTO)
+{
+    /* NOP */
+}
+
+tune_request_t::tune_request_t(double target_freq, double lo_off):
+    target_freq(target_freq),
+    inter_freq_policy(POLICY_MANUAL),
+    inter_freq(target_freq + lo_off),
+    dsp_freq_policy(POLICY_AUTO)
+{
+    /* NOP */
+}
+
+/***********************************************************************
  * tune result
  **********************************************************************/
 std::string tune_result_t::to_pp_string(void) const{
@@ -229,22 +250,19 @@ mac_addr_t mac_addr_t::from_bytes(const byte_vector_t &bytes){
 
 mac_addr_t mac_addr_t::from_string(const std::string &mac_addr_str){
 
-    byte_vector_t bytes = boost::assign::list_of
-        (0x00)(0x50)(0xC2)(0x85)(0x30)(0x00); // Matt's IAB
+    byte_vector_t bytes;
 
     try{
-        //only allow patterns of xx:xx or xx:xx:xx:xx:xx:xx
-        //the IAB above will fill in for the shorter pattern
-        if (mac_addr_str.size() != 5 and mac_addr_str.size() != 17)
-            throw std::runtime_error("expected exactly 5 or 17 characters");
+        if (mac_addr_str.size() != 17){
+            throw std::runtime_error("expected exactly 17 characters");
+        }
 
         //split the mac addr hex string at the colons
-        size_t i = 0;
         BOOST_FOREACH(const std::string &hex_str, std::split_string(mac_addr_str, ":")){
             int hex_num;
             std::istringstream iss(hex_str);
             iss >> std::hex >> hex_num;
-            bytes[i++] = boost::uint8_t(hex_num);
+            bytes.push_back(boost::uint8_t(hex_num));
         }
 
     }
diff --git a/host/lib/usrp/CMakeLists.txt b/host/lib/usrp/CMakeLists.txt
index eeb181e0b..3d832c356 100644
--- a/host/lib/usrp/CMakeLists.txt
+++ b/host/lib/usrp/CMakeLists.txt
@@ -23,6 +23,7 @@ LIBUHD_APPEND_SOURCES(
     ${CMAKE_SOURCE_DIR}/lib/usrp/dboard_id.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/dboard_manager.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/dsp_utils.cpp
+    ${CMAKE_SOURCE_DIR}/lib/usrp/mboard_eeprom.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/misc_utils.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/multi_usrp.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/single_usrp.cpp
diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt
index 8d3d11530..79cd42d18 100644
--- a/host/lib/usrp/dboard/CMakeLists.txt
+++ b/host/lib/usrp/dboard/CMakeLists.txt
@@ -25,5 +25,6 @@ LIBUHD_APPEND_SOURCES(
     ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_dbsrx.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_unknown.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_tvrx.cpp
+    ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_dbsrx2.cpp
 )
 
diff --git a/host/lib/usrp/dboard/db_basic_and_lf.cpp b/host/lib/usrp/dboard/db_basic_and_lf.cpp
index 41f6f8002..f03dd43d1 100644
--- a/host/lib/usrp/dboard/db_basic_and_lf.cpp
+++ b/host/lib/usrp/dboard/db_basic_and_lf.cpp
@@ -20,6 +20,7 @@
 #include <uhd/types/ranges.hpp>
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
+#include <uhd/utils/warning.hpp>
 #include <uhd/usrp/dboard_base.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
 #include <boost/assign/list_of.hpp>
@@ -30,6 +31,16 @@ using namespace uhd::usrp;
 using namespace boost::assign;
 
 /***********************************************************************
+ * Constants
+ **********************************************************************/
+static const uhd::dict<std::string, double> subdev_bandwidth_scalar = map_list_of
+    ("A", 1.0)
+    ("B", 1.0)
+    ("AB", 2.0)
+    ("BA", 2.0)
+;
+
+/***********************************************************************
  * The basic and lf boards:
  *   They share a common class because only the frequency bounds differ.
  **********************************************************************/
@@ -68,11 +79,11 @@ static const uhd::dict<std::string, subdev_conn_t> sd_name_to_conn = map_list_of
  * Register the basic and LF dboards
  **********************************************************************/
 static dboard_base::sptr make_basic_rx(dboard_base::ctor_args_t args){
-    return dboard_base::sptr(new basic_rx(args, 90e9));
+    return dboard_base::sptr(new basic_rx(args, 250e6));
 }
 
 static dboard_base::sptr make_basic_tx(dboard_base::ctor_args_t args){
-    return dboard_base::sptr(new basic_tx(args, 90e9));
+    return dboard_base::sptr(new basic_tx(args, 250e6));
 }
 
 static dboard_base::sptr make_lf_rx(dboard_base::ctor_args_t args){
@@ -161,6 +172,10 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){
         val = true; //there is no LO, so it must be true!
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = subdev_bandwidth_scalar[get_subdev_name()]*_max_freq;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -185,6 +200,14 @@ void basic_rx::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("%s: No tunable bandwidth, fixed filtered to %0.2fMHz")
+                % get_rx_id().to_pp_string() % _max_freq
+            )
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
@@ -260,6 +283,10 @@ void basic_tx::tx_get(const wax::obj &key_, wax::obj &val){
         val = true; //there is no LO, so it must be true!
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = subdev_bandwidth_scalar[get_subdev_name()]*_max_freq;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -284,6 +311,14 @@ void basic_tx::tx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("%s: No tunable bandwidth, fixed filtered to %0.2fMHz")
+                % get_tx_id().to_pp_string() % _max_freq
+            )
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp
index 0b8b4db83..85251bdf9 100644
--- a/host/lib/usrp/dboard/db_dbsrx.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx.cpp
@@ -175,7 +175,7 @@ UHD_STATIC_BLOCK(reg_dbsrx_dboard){
 dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
     //warn user about incorrect DBID on USRP1, requires R193 populated
     if (this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x000D)
-        uhd::print_warning(
+        uhd::warning::post(
             str(boost::format(
                 "DBSRX: incorrect dbid\n"
                 "Expected dbid 0x0002 and R193\n"
@@ -186,7 +186,7 @@ dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
 
     //warn user about incorrect DBID on non-USRP1, requires R194 populated
     if (not this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x0002)
-        uhd::print_warning(
+        uhd::warning::post(
             str(boost::format(
                 "DBSRX: incorrect dbid\n"
                 "Expected dbid 0x000D and R194\n"
@@ -236,8 +236,10 @@ void dbsrx::set_lo_freq(double target_freq){
     bool update_filter_settings = false;
     //choose refclock
     std::vector<double> clock_rates = this->get_iface()->get_clock_rates(dboard_iface::UNIT_RX);
+    const double max_clock_rate = std::sorted(clock_rates).back();
     BOOST_FOREACH(ref_clock, std::reversed(std::sorted(clock_rates))){
         if (ref_clock > 27.0e6) continue;
+        if (size_t(max_clock_rate/ref_clock)%2 == 1) continue; //reject asymmetric clocks (odd divisors)
 
         //choose m_divider such that filter tuning constraint is met
         m = 31;
@@ -340,7 +342,7 @@ void dbsrx::set_lo_freq(double target_freq){
         //vtune is too low, try lower frequency vco
         if (_max2118_read_regs.adc == 0){
             if (_max2118_write_regs.osc_band == 0){
-                uhd::print_warning(
+                uhd::warning::post(
                     str(boost::format(
                         "DBSRX: Tuning exceeded vco range, _max2118_write_regs.osc_band == %d\n" 
                         ) % int(_max2118_write_regs.osc_band))
@@ -354,7 +356,7 @@ void dbsrx::set_lo_freq(double target_freq){
         //vtune is too high, try higher frequency vco
         if (_max2118_read_regs.adc == 7){
             if (_max2118_write_regs.osc_band == 7){
-                uhd::print_warning(
+                uhd::warning::post(
                     str(boost::format(
                         "DBSRX: Tuning exceeded vco range, _max2118_write_regs.osc_band == %d\n" 
                         ) % int(_max2118_write_regs.osc_band))
@@ -561,7 +563,7 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
-        val = _bandwidth;
+        val = 2*_bandwidth; //_bandwidth is low-pass, we want complex double-sided
         return;
 
     default: UHD_THROW_PROP_GET_ERROR();
@@ -586,7 +588,7 @@ void dbsrx::rx_set(const wax::obj &key_, const wax::obj &val){
         return; //always enabled
 
     case SUBDEV_PROP_BANDWIDTH:
-        this->set_bandwidth(val.as<double>());
+        this->set_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
         return;
 
     default: UHD_THROW_PROP_SET_ERROR();
diff --git a/host/lib/usrp/dboard/db_dbsrx2.cpp b/host/lib/usrp/dboard/db_dbsrx2.cpp
new file mode 100644
index 000000000..5a65e6123
--- /dev/null
+++ b/host/lib/usrp/dboard/db_dbsrx2.cpp
@@ -0,0 +1,439 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+// No RX IO Pins Used
+
+#include "max2112_regs.hpp"
+#include <uhd/utils/static.hpp>
+#include <uhd/utils/assert.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <uhd/types/ranges.hpp>
+#include <uhd/types/dict.hpp>
+#include <uhd/usrp/subdev_props.hpp>
+#include <uhd/usrp/dboard_base.hpp>
+#include <uhd/usrp/dboard_manager.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/format.hpp>
+#include <boost/thread.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <utility>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace boost::assign;
+
+/***********************************************************************
+ * The DBSRX2 constants
+ **********************************************************************/
+static const bool dbsrx2_debug = false;
+
+static const freq_range_t dbsrx2_freq_range(0.8e9, 2.4e9);
+
+static const int dbsrx2_ref_divider = 4; // Hitachi HMC426 divider (U7)
+
+static const prop_names_t dbsrx2_antennas = list_of("J3");
+
+static const uhd::dict<std::string, gain_range_t> dbsrx2_gain_ranges = map_list_of
+    ("GC1", gain_range_t(0, 73, float(0.05)))
+    ("BBG", gain_range_t(0, 15, 1))
+;
+
+/***********************************************************************
+ * The DBSRX2 dboard class
+ **********************************************************************/
+class dbsrx2 : public rx_dboard_base{
+public:
+    dbsrx2(ctor_args_t args);
+    ~dbsrx2(void);
+
+    void rx_get(const wax::obj &key, wax::obj &val);
+    void rx_set(const wax::obj &key, const wax::obj &val);
+
+private:
+    double _lo_freq;
+    double _bandwidth;
+    uhd::dict<std::string, float> _gains;
+    max2112_write_regs_t _max2112_write_regs;
+    max2112_read_regs_t _max2112_read_regs;
+    boost::uint8_t _max2112_addr(){ //0x60 or 0x61 depending on which side
+        return (this->get_iface()->get_special_props().mangle_i2c_addrs)? 0x60 : 0x61;
+    }
+
+    void set_lo_freq(double target_freq);
+    void set_gain(float gain, const std::string &name);
+    void set_bandwidth(double bandwidth);
+
+    void send_reg(boost::uint8_t start_reg, boost::uint8_t stop_reg){
+        start_reg = boost::uint8_t(std::clip(int(start_reg), 0x0, 0xB));
+        stop_reg = boost::uint8_t(std::clip(int(stop_reg), 0x0, 0xB));
+
+        for(boost::uint8_t start_addr=start_reg; start_addr <= stop_reg; start_addr += sizeof(boost::uint32_t) - 1){
+            int num_bytes = int(stop_reg - start_addr + 1) > int(sizeof(boost::uint32_t)) - 1 ? sizeof(boost::uint32_t) - 1 : stop_reg - start_addr + 1;
+
+            //create buffer for register data (+1 for start address)
+            byte_vector_t regs_vector(num_bytes + 1);
+
+            //first byte is the address of first register
+            regs_vector[0] = start_addr;
+
+            //get the register data
+            for(int i=0; i<num_bytes; i++){
+                regs_vector[1+i] = _max2112_write_regs.get_reg(start_addr+i);
+                if(dbsrx2_debug) std::cerr << boost::format(
+                    "DBSRX2: send reg 0x%02x, value 0x%04x, start_addr = 0x%04x, num_bytes %d"
+                ) % int(start_addr+i) % int(regs_vector[1+i]) % int(start_addr) % num_bytes << std::endl;
+            }
+
+            //send the data
+            this->get_iface()->write_i2c(
+                _max2112_addr(), regs_vector
+            );
+        }
+    }
+
+    void read_reg(boost::uint8_t start_reg, boost::uint8_t stop_reg){
+        static const boost::uint8_t status_addr = 0xC;
+        start_reg = boost::uint8_t(std::clip(int(start_reg), 0x0, 0xD));
+        stop_reg = boost::uint8_t(std::clip(int(stop_reg), 0x0, 0xD));
+
+        for(boost::uint8_t start_addr=start_reg; start_addr <= stop_reg; start_addr += sizeof(boost::uint32_t)){
+            int num_bytes = int(stop_reg - start_addr + 1) > int(sizeof(boost::uint32_t)) ? sizeof(boost::uint32_t) : stop_reg - start_addr + 1;
+
+            //create address to start reading register data
+            byte_vector_t address_vector(1);
+            address_vector[0] = start_addr;
+
+            //send the address
+            this->get_iface()->write_i2c(
+                _max2112_addr(), address_vector
+            );
+
+            //create buffer for register data
+            byte_vector_t regs_vector(num_bytes);
+
+            //read from i2c
+            regs_vector = this->get_iface()->read_i2c(
+                _max2112_addr(), num_bytes
+            );
+
+            for(boost::uint8_t i=0; i < num_bytes; i++){
+                if (i + start_addr >= status_addr){
+                    _max2112_read_regs.set_reg(i + start_addr, regs_vector[i]);
+                    /*
+                    if(dbsrx2_debug) std::cerr << boost::format(
+                        "DBSRX2: set reg 0x%02x, value 0x%04x"
+                    ) % int(i + start_addr) % int(_max2112_read_regs.get_reg(i + start_addr)) << std::endl;
+                    */
+                }
+                if(dbsrx2_debug) std::cerr << boost::format(
+                    "DBSRX2: read reg 0x%02x, value 0x%04x, start_addr = 0x%04x, num_bytes %d"
+                ) % int(start_addr+i) % int(regs_vector[i]) % int(start_addr) % num_bytes << std::endl;
+            }
+        }
+    }
+
+    /*!
+     * Is the LO locked?
+     * \return true for locked
+     */
+    bool get_locked(void){
+        read_reg(0xC, 0xD);
+
+        //mask and return lock detect
+        bool locked = (_max2112_read_regs.ld & _max2112_read_regs.vasa & _max2112_read_regs.vase) != 0;
+
+        if(dbsrx2_debug) std::cerr << boost::format(
+            "DBSRX2 locked: %d"
+        ) % locked << std::endl;
+
+        return locked;
+    }
+
+};
+
+/***********************************************************************
+ * Register the DBSRX2 dboard
+ **********************************************************************/
+// FIXME 0x67 is the default i2c address on USRP2
+//       need to handle which side for USRP1 with different address
+static dboard_base::sptr make_dbsrx2(dboard_base::ctor_args_t args){
+    return dboard_base::sptr(new dbsrx2(args));
+}
+
+UHD_STATIC_BLOCK(reg_dbsrx2_dboard){
+    //register the factory function for the rx dbid
+    dboard_manager::register_dboard(0x0012, &make_dbsrx2, "DBSRX2");
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+dbsrx2::dbsrx2(ctor_args_t args) : rx_dboard_base(args){
+    //enable only the clocks we need
+    this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
+
+    //set the gpio directions and atr controls (identically)
+    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, 0x0); // All unused in atr
+    this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs
+
+    //send initial register settings
+    send_reg(0x0, 0xB);
+    //for (boost::uint8_t addr=0; addr<=12; addr++) this->send_reg(addr, addr);
+
+    //set defaults for LO, gains
+    set_lo_freq(dbsrx2_freq_range.min);
+    BOOST_FOREACH(const std::string &name, dbsrx2_gain_ranges.keys()){
+        set_gain(dbsrx2_gain_ranges[name].min, name);
+    }
+
+    set_bandwidth(40e6); // default bandwidth from datasheet
+    get_locked();
+
+    _max2112_write_regs.bbg = boost::math::iround(std::clip<float>(0, dbsrx2_gain_ranges["BBG"].min, dbsrx2_gain_ranges["BBG"].max));
+    send_reg(0x9, 0x9);
+}
+
+dbsrx2::~dbsrx2(void){
+}
+
+
+/***********************************************************************
+ * Tuning
+ **********************************************************************/
+void dbsrx2::set_lo_freq(double target_freq){
+    //target_freq = std::clip(target_freq, dbsrx2_freq_range.min, dbsrx2_freq_range.max);
+
+    //variables used in the calculation below
+    int scaler = target_freq > 1125e6 ? 2 : 4;
+    double ref_freq = this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX);
+    int R, intdiv, fracdiv, ext_div;
+    double N;
+
+    //compute tuning variables
+    ext_div = dbsrx2_ref_divider; // 12MHz < ref_freq/ext_divider < 30MHz
+
+    R = 1; //Divide by 1 is the only tested value
+
+    N = (target_freq*R*ext_div)/(ref_freq); //actual spec range is (19, 251)
+    intdiv = int(std::floor(N)); //  if (intdiv < 19  or intdiv > 251) continue;
+    fracdiv = boost::math::iround((N - intdiv)*double(1 << 20));
+
+    //calculate the actual freq from the values above
+    N = double(intdiv) + double(fracdiv)/double(1 << 20);
+    _lo_freq = (N*ref_freq)/(R*ext_div);
+
+    //load new counters into registers
+    _max2112_write_regs.set_n_divider(intdiv);
+    _max2112_write_regs.set_f_divider(fracdiv);
+    _max2112_write_regs.r_divider = R;
+    _max2112_write_regs.d24 = scaler == 4 ? max2112_write_regs_t::D24_DIV4 : max2112_write_regs_t::D24_DIV2;
+
+    //debug output of calculated variables
+    if (dbsrx2_debug) std::cerr
+        << boost::format("DBSRX2 tune:\n")
+        << boost::format("    R=%d, N=%f, scaler=%d, ext_div=%d\n") % R % N % scaler % ext_div
+        << boost::format("    int=%d, frac=%d, d24=%d\n") % intdiv % fracdiv % int(_max2112_write_regs.d24)
+        << boost::format("    Ref    Freq=%fMHz\n") % (ref_freq/1e6)
+        << boost::format("    Target Freq=%fMHz\n") % (target_freq/1e6)
+        << boost::format("    Actual Freq=%fMHz\n") % (_lo_freq/1e6)
+        << std::endl;
+
+    //send the registers
+    send_reg(0x0, 0x7);
+
+    //FIXME: probably unnecessary to call get_locked here
+    //get_locked();
+
+}
+
+/***********************************************************************
+ * Gain Handling
+ **********************************************************************/
+/*!
+ * Convert a requested gain for the BBG vga into the integer register value.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return 4 bit the register value
+ */
+static int gain_to_bbg_vga_reg(float &gain){
+    int reg = boost::math::iround(std::clip<float>(gain, dbsrx2_gain_ranges["BBG"].min, dbsrx2_gain_ranges["BBG"].max));
+
+    gain = float(reg);
+
+    if (dbsrx2_debug) std::cerr 
+        << boost::format("DBSRX2 BBG Gain:\n")
+        << boost::format("    %f dB, bbg: %d") % gain % reg 
+        << std::endl;
+
+    return reg;
+}
+
+/*!
+ * Convert a requested gain for the GC1 rf vga into the dac_volts value.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return dac voltage value
+ */
+static float gain_to_gc1_rfvga_dac(float &gain){
+    //clip the input
+    gain = std::clip<float>(gain, dbsrx2_gain_ranges["GC1"].min, dbsrx2_gain_ranges["GC1"].max);
+
+    //voltage level constants
+    static const float max_volts = float(0.5), min_volts = float(2.7);
+    static const float slope = (max_volts-min_volts)/dbsrx2_gain_ranges["GC1"].max;
+
+    //calculate the voltage for the aux dac
+    float dac_volts = gain*slope + min_volts;
+
+    if (dbsrx2_debug) std::cerr 
+        << boost::format("DBSRX2 GC1 Gain:\n")
+        << boost::format("    %f dB, dac_volts: %f V") % gain % dac_volts 
+        << std::endl;
+
+    //the actual gain setting
+    gain = (dac_volts - min_volts)/slope;
+
+    return dac_volts;
+}
+
+void dbsrx2::set_gain(float gain, const std::string &name){
+    assert_has(dbsrx2_gain_ranges.keys(), name, "dbsrx2 gain name");
+    if (name == "BBG"){
+        _max2112_write_regs.bbg = gain_to_bbg_vga_reg(gain);
+        send_reg(0x9, 0x9);
+    }
+    else if(name == "GC1"){
+        //write the new voltage to the aux dac
+        this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, gain_to_gc1_rfvga_dac(gain));
+    }
+    else UHD_THROW_INVALID_CODE_PATH();
+    _gains[name] = gain;
+}
+
+/***********************************************************************
+ * Bandwidth Handling
+ **********************************************************************/
+void dbsrx2::set_bandwidth(double bandwidth){
+    //clip the input
+    bandwidth = std::clip<double>(bandwidth, 4e6, 40e6);
+
+    _max2112_write_regs.lp = int((bandwidth/1e6 - 4)/0.29 + 12);
+    _bandwidth = double(4 + (_max2112_write_regs.lp - 12) * 0.29)*1e6;
+
+    if (dbsrx2_debug) std::cerr 
+        << boost::format("DBSRX2 Bandwidth:\n")
+        << boost::format("    %f MHz, lp: %f V") % (_bandwidth/1e6) % int(_max2112_write_regs.lp)
+        << std::endl;
+
+    this->send_reg(0x8, 0x8);
+}
+
+/***********************************************************************
+ * RX Get and Set
+ **********************************************************************/
+void dbsrx2::rx_get(const wax::obj &key_, wax::obj &val){
+    named_prop_t key = named_prop_t::extract(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+    case SUBDEV_PROP_NAME:
+        val = get_rx_id().to_pp_string();
+        return;
+
+    case SUBDEV_PROP_OTHERS:
+        val = prop_names_t(); //empty
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        assert_has(_gains.keys(), key.name, "dbsrx2 gain name");
+        val = _gains[key.name];
+        return;
+
+    case SUBDEV_PROP_GAIN_RANGE:
+        assert_has(dbsrx2_gain_ranges.keys(), key.name, "dbsrx2 gain name");
+        val = dbsrx2_gain_ranges[key.name];
+        return;
+
+    case SUBDEV_PROP_GAIN_NAMES:
+        val = prop_names_t(dbsrx2_gain_ranges.keys());
+        return;
+
+    case SUBDEV_PROP_FREQ:
+        val = _lo_freq;
+        return;
+
+    case SUBDEV_PROP_FREQ_RANGE:
+        val = dbsrx2_freq_range;
+        return;
+
+    case SUBDEV_PROP_ANTENNA:
+        val = std::string("J3");
+        return;
+
+    case SUBDEV_PROP_ANTENNA_NAMES:
+        val = dbsrx2_antennas;
+        return;
+
+    case SUBDEV_PROP_CONNECTION:
+        val = SUBDEV_CONN_COMPLEX_QI;
+        return;
+
+    case SUBDEV_PROP_ENABLED:
+        val = true; //always enabled
+        return;
+
+    case SUBDEV_PROP_USE_LO_OFFSET:
+        val = false;
+        return;
+
+    case SUBDEV_PROP_LO_LOCKED:
+        val = this->get_locked();
+        return;
+
+    case SUBDEV_PROP_BANDWIDTH:
+        val = _bandwidth;
+        return;
+
+    default: UHD_THROW_PROP_GET_ERROR();
+    }
+}
+
+void dbsrx2::rx_set(const wax::obj &key_, const wax::obj &val){
+    named_prop_t key = named_prop_t::extract(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+
+    case SUBDEV_PROP_FREQ:
+        this->set_lo_freq(val.as<double>());
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        this->set_gain(val.as<float>(), key.name);
+        return;
+
+    case SUBDEV_PROP_ENABLED:
+        return; //always enabled
+
+    case SUBDEV_PROP_BANDWIDTH:
+        this->set_bandwidth(val.as<double>());
+        return;
+
+    default: UHD_THROW_PROP_SET_ERROR();
+    }
+}
+
diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp
index 3c24d90db..152198c3a 100644
--- a/host/lib/usrp/dboard/db_rfx.cpp
+++ b/host/lib/usrp/dboard/db_rfx.cpp
@@ -43,6 +43,7 @@
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
 #include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
 #include <uhd/usrp/dboard_id.hpp>
 #include <uhd/usrp/dboard_base.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
@@ -456,6 +457,10 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         val = this->get_locked(dboard_iface::UNIT_RX);
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 2*20.0e6; //20MHz low-pass, we want complex double-sided
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -481,6 +486,12 @@ void rfx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("RFX: No tunable bandwidth, fixed filtered to 40MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
@@ -543,6 +554,10 @@ void rfx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
         val = this->get_locked(dboard_iface::UNIT_TX);
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 2*20.0e6; //20MHz low-pass, we want complex double-sided
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -568,6 +583,12 @@ void rfx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("RFX: No tunable bandwidth, fixed filtered to 40MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp
index d39dc3bf8..2873e3d54 100644
--- a/host/lib/usrp/dboard/db_tvrx.cpp
+++ b/host/lib/usrp/dboard/db_tvrx.cpp
@@ -459,6 +459,10 @@ void tvrx::rx_get(const wax::obj &key_, wax::obj &val){
         val = true;
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 6.0e6;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -479,6 +483,12 @@ void tvrx::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("TVRX: No tunable bandwidth, fixed filtered to 6MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/dboard/db_unknown.cpp b/host/lib/usrp/dboard/db_unknown.cpp
index ec7ab440b..d0359d124 100644
--- a/host/lib/usrp/dboard/db_unknown.cpp
+++ b/host/lib/usrp/dboard/db_unknown.cpp
@@ -19,23 +19,52 @@
 #include <uhd/types/ranges.hpp>
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
+#include <uhd/utils/warning.hpp>
 #include <uhd/usrp/dboard_base.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
 #include <boost/assign/list_of.hpp>
 #include <boost/format.hpp>
+#include <boost/foreach.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <vector>
 
 using namespace uhd;
 using namespace uhd::usrp;
 using namespace boost::assign;
 
 /***********************************************************************
+ * Utility functions
+ **********************************************************************/
+static void warn_if_old_rfx(const dboard_id_t &dboard_id, const std::string &xx){
+    typedef boost::tuple<std::string, dboard_id_t, dboard_id_t> old_ids_t; //name, rx_id, tx_id
+    static const std::vector<old_ids_t> old_rfx_ids = list_of
+        (old_ids_t("Flex 400 Classic",  0x0004, 0x0008))
+        (old_ids_t("Flex 900 Classic",  0x0005, 0x0009))
+        (old_ids_t("Flex 1200 Classic", 0x0006, 0x000a))
+        (old_ids_t("Flex 1800 Classic", 0x0030, 0x0031))
+        (old_ids_t("Flex 2400 Classic", 0x0007, 0x000b))
+    ;
+    BOOST_FOREACH(const old_ids_t &old_id, old_rfx_ids){
+        std::string name; dboard_id_t rx_id, tx_id;
+        boost::tie(name, rx_id, tx_id) = old_id;
+        if (
+            (xx == "RX" and rx_id == dboard_id) or
+            (xx == "TX" and tx_id == dboard_id)
+        ) uhd::warning::post(str(boost::format(
+            "Detected %s daughterboard %s\n"
+            "This board requires modification to use.\n"
+            "See the daughterboard application notes.\n"
+        ) % xx % name));
+    }
+}
+
+/***********************************************************************
  * The unknown boards:
  *   Like a basic board, but with only one subdev.
  **********************************************************************/
 class unknown_rx : public rx_dboard_base{
 public:
     unknown_rx(ctor_args_t args);
-    ~unknown_rx(void);
 
     void rx_get(const wax::obj &key, wax::obj &val);
     void rx_set(const wax::obj &key, const wax::obj &val);
@@ -44,7 +73,6 @@ public:
 class unknown_tx : public tx_dboard_base{
 public:
     unknown_tx(ctor_args_t args);
-    ~unknown_tx(void);
 
     void tx_get(const wax::obj &key, wax::obj &val);
     void tx_set(const wax::obj &key, const wax::obj &val);
@@ -70,11 +98,7 @@ UHD_STATIC_BLOCK(reg_unknown_dboards){
  * Unknown RX dboard
  **********************************************************************/
 unknown_rx::unknown_rx(ctor_args_t args) : rx_dboard_base(args){
-    /* NOP */
-}
-
-unknown_rx::~unknown_rx(void){
-    /* NOP */
+    warn_if_old_rfx(this->get_rx_id(), "RX");
 }
 
 void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){
@@ -134,6 +158,10 @@ void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){
         val = true; //there is no LO, so it must be true!
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 0.0;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -158,19 +186,21 @@ void unknown_rx::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("Unknown Daughterboard: No tunable bandwidth, fixed filtered to 0.0MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
 
 /***********************************************************************
- * Basic and LF TX dboard
+ * Unknown TX dboard
  **********************************************************************/
 unknown_tx::unknown_tx(ctor_args_t args) : tx_dboard_base(args){
-    /* NOP */
-}
-
-unknown_tx::~unknown_tx(void){
-    /* NOP */
+    warn_if_old_rfx(this->get_tx_id(), "TX");
 }
 
 void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){
@@ -230,6 +260,10 @@ void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){
         val = true; //there is no LO, so it must be true!
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 0.0;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -254,6 +288,12 @@ void unknown_tx::tx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("Unknown Daughterboard: No tunable bandwidth, fixed filtered to 0.0MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp
index 907268aac..572f5de97 100644
--- a/host/lib/usrp/dboard/db_wbx.cpp
+++ b/host/lib/usrp/dboard/db_wbx.cpp
@@ -71,6 +71,7 @@
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
 #include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
 #include <uhd/usrp/dboard_base.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
 #include <boost/assign/list_of.hpp>
@@ -525,6 +526,10 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         val = this->get_locked(dboard_iface::UNIT_RX);
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 2*20.0e6; //20MHz low-pass, we want complex double-sided
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -550,6 +555,12 @@ void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
@@ -616,6 +627,10 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
         val = this->get_locked(dboard_iface::UNIT_TX);
         return;
 
+    case SUBDEV_PROP_BANDWIDTH:
+        val = 2*20.0e6; //20MHz low-pass, we want complex double-sided
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -641,6 +656,12 @@ void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; //always enabled
 
+    case SUBDEV_PROP_BANDWIDTH:
+        uhd::warning::post(
+            str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz"))
+        );
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index fb1367113..be0e42b92 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -626,7 +626,7 @@ void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
-        val = _rx_bandwidth;
+        val = 2*_rx_bandwidth; //_tx_bandwidth is low-pass, we want complex double-sided
         return;
 
     default: UHD_THROW_PROP_GET_ERROR();
@@ -652,7 +652,7 @@ void xcvr2450::rx_set(const wax::obj &key_, const wax::obj &val){
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
-        this->set_rx_bandwidth(val.as<double>());
+        this->set_rx_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
         return;
 
     case SUBDEV_PROP_ENABLED:
@@ -725,7 +725,7 @@ void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
-        val = _tx_bandwidth;
+        val = 2*_tx_bandwidth; //_tx_bandwidth is low-pass, we want complex double-sided
         return;
 
     default: UHD_THROW_PROP_GET_ERROR();
@@ -747,7 +747,7 @@ void xcvr2450::tx_set(const wax::obj &key_, const wax::obj &val){
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
-        this->set_tx_bandwidth(val.as<double>());
+        this->set_tx_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
         return;
 
     case SUBDEV_PROP_ANTENNA:
diff --git a/host/lib/usrp/dboard_manager.cpp b/host/lib/usrp/dboard_manager.cpp
index d73a698ae..5a98bb8eb 100644
--- a/host/lib/usrp/dboard_manager.cpp
+++ b/host/lib/usrp/dboard_manager.cpp
@@ -189,7 +189,7 @@ static args_t get_dboard_args(
 
     //verify that there is a registered constructor for this id
     if (not get_id_to_args_map().has_key(dboard_id)){
-        uhd::print_warning(str(boost::format(
+        uhd::warning::post(str(boost::format(
             "Unknown dboard ID: %s.\n"
         ) % dboard_id.to_pp_string()));
         return get_dboard_args(unit, dboard_id, true);
@@ -217,7 +217,7 @@ dboard_manager_impl::dboard_manager_impl(
 
     //warn for invalid dboard id xcvr combinations
     if (rx_dboard_is_xcvr != this_dboard_is_xcvr or tx_dboard_is_xcvr != this_dboard_is_xcvr){
-        uhd::print_warning(str(boost::format(
+        uhd::warning::post(str(boost::format(
             "Unknown transceiver board ID combination...\n"
             "RX dboard ID: %s\n"
             "TX dboard ID: %s\n"
diff --git a/host/lib/usrp/mboard_eeprom.cpp b/host/lib/usrp/mboard_eeprom.cpp
new file mode 100644
index 000000000..661030aa7
--- /dev/null
+++ b/host/lib/usrp/mboard_eeprom.cpp
@@ -0,0 +1,194 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/usrp/mboard_eeprom.hpp>
+#include <uhd/types/mac_addr.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <boost/asio/ip/address_v4.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/foreach.hpp>
+
+using namespace uhd;
+using namespace uhd::usrp;
+
+/***********************************************************************
+ * Constants
+ **********************************************************************/
+static const size_t SERIAL_LEN = 9;
+static const size_t NAME_MAX_LEN = 32 - SERIAL_LEN;
+
+/***********************************************************************
+ * Utility functions
+ **********************************************************************/
+
+//! create a string from a byte vector, return empty if invalid ascii
+static const std::string bytes_to_string(const byte_vector_t &bytes){
+    std::string out;
+    BOOST_FOREACH(boost::uint8_t byte, bytes){
+        if (byte < 32 or byte > 127) return out;
+        out += byte;
+    }
+    return out;
+}
+
+//! create a byte vector from a string, null terminate unless max length
+static const byte_vector_t string_to_bytes(const std::string &string, size_t max_length){
+    byte_vector_t bytes;
+    for (size_t i = 0; i < std::min(string.size(), max_length); i++){
+        bytes.push_back(string[i]);
+    }
+    if (bytes.size() < max_length - 1) bytes.push_back('\0');
+    return bytes;
+}
+
+/***********************************************************************
+ * Implementation of N100 load/store
+ **********************************************************************/
+static const boost::uint8_t N100_EEPROM_ADDR = 0x50;
+
+static const uhd::dict<std::string, boost::uint8_t> USRP_N100_OFFSETS = boost::assign::map_list_of
+    ("rev-lsb-msb", 0x00)
+    ("mac-addr", 0x02)
+    ("ip-addr", 0x08)
+    //leave space here for other addresses (perhaps)
+    ("serial", 0x18)
+    ("name", 0x18 + SERIAL_LEN)
+;
+
+static void load_n100(mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
+    //extract the revision number
+    byte_vector_t rev_lsb_msb = iface.read_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["rev-lsb-msb"], 2);
+    boost::uint16_t rev = (boost::uint16_t(rev_lsb_msb.at(0)) << 0) | (boost::uint16_t(rev_lsb_msb.at(1)) << 8);
+    mb_eeprom["rev"] = boost::lexical_cast<std::string>(rev);
+
+    //extract the addresses
+    mb_eeprom["mac-addr"] = mac_addr_t::from_bytes(iface.read_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["mac-addr"], 6
+    )).to_string();
+
+    boost::asio::ip::address_v4::bytes_type ip_addr_bytes;
+    std::copy(iface.read_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["ip-addr"], 4), ip_addr_bytes);
+    mb_eeprom["ip-addr"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
+
+    //extract the serial
+    mb_eeprom["serial"] = bytes_to_string(iface.read_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["serial"], SERIAL_LEN
+    ));
+
+    //extract the name
+    mb_eeprom["name"] = bytes_to_string(iface.read_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["name"], NAME_MAX_LEN
+    ));
+
+    //empty serial correction: use the mac address
+    if (mb_eeprom["serial"].empty()) mb_eeprom["serial"] = mb_eeprom["mac-addr"];
+}
+
+static void store_n100(const mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
+    //parse the revision number
+    if (mb_eeprom.has_key("rev")){
+        boost::uint16_t rev = boost::lexical_cast<boost::uint16_t>(mb_eeprom["rev"]);
+        byte_vector_t rev_lsb_msb = boost::assign::list_of
+            (boost::uint8_t(rev >> 0))
+            (boost::uint8_t(rev >> 8))
+        ;
+        iface.write_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["rev-lsb-msb"], rev_lsb_msb);
+    }
+
+    //store the addresses
+    if (mb_eeprom.has_key("mac-addr")) iface.write_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["mac-addr"],
+        mac_addr_t::from_string(mb_eeprom["mac-addr"]).to_bytes()
+    );
+
+    if (mb_eeprom.has_key("ip-addr")){
+        byte_vector_t ip_addr_bytes(4);
+        std::copy(boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr"]).to_bytes(), ip_addr_bytes);
+        iface.write_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["ip-addr"], ip_addr_bytes);
+    }
+
+    //store the serial
+    if (mb_eeprom.has_key("serial")) iface.write_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["serial"],
+        string_to_bytes(mb_eeprom["serial"], SERIAL_LEN)
+    );
+
+    //store the name
+    if (mb_eeprom.has_key("name")) iface.write_eeprom(
+        N100_EEPROM_ADDR, USRP_N100_OFFSETS["name"],
+        string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN)
+    );
+}
+
+/***********************************************************************
+ * Implementation of B000 load/store
+ **********************************************************************/
+static const boost::uint8_t B000_EEPROM_ADDR = 0x50;
+static const size_t B000X_SERIAL_LEN = 8;
+
+static const uhd::dict<std::string, boost::uint8_t> USRP_B000_OFFSETS = boost::assign::map_list_of
+    ("serial", 0xf8)
+    ("name", 0xf8 - NAME_MAX_LEN)
+;
+
+static void load_b000(mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
+    //extract the serial
+    mb_eeprom["serial"] = bytes_to_string(iface.read_eeprom(
+        B000_EEPROM_ADDR, USRP_B000_OFFSETS["serial"], B000X_SERIAL_LEN
+    ));
+
+    //extract the name
+    mb_eeprom["name"] = bytes_to_string(iface.read_eeprom(
+        B000_EEPROM_ADDR, USRP_B000_OFFSETS["name"], NAME_MAX_LEN
+    ));
+}
+
+static void store_b000(const mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
+    //store the serial
+    if (mb_eeprom.has_key("serial")) iface.write_eeprom(
+        B000_EEPROM_ADDR, USRP_B000_OFFSETS["serial"],
+        string_to_bytes(mb_eeprom["serial"], B000X_SERIAL_LEN)
+    );
+
+    //store the name
+    if (mb_eeprom.has_key("name")) iface.write_eeprom(
+        B000_EEPROM_ADDR, USRP_B000_OFFSETS["name"],
+        string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN)
+    );
+}
+
+/***********************************************************************
+ * Implementation of mboard eeprom
+ **********************************************************************/
+mboard_eeprom_t::mboard_eeprom_t(void){
+    /* NOP */
+}
+
+mboard_eeprom_t::mboard_eeprom_t(i2c_iface &iface, map_type map){
+    switch(map){
+    case MAP_N100: load_n100(*this, iface); break;
+    case MAP_B000: load_b000(*this, iface); break;
+    }
+}
+
+void mboard_eeprom_t::commit(i2c_iface &iface, map_type map){
+    switch(map){
+    case MAP_N100: store_n100(*this, iface); break;
+    case MAP_B000: store_b000(*this, iface); break;
+    }
+}
diff --git a/host/lib/usrp/misc_utils.cpp b/host/lib/usrp/misc_utils.cpp
index 7e49baa52..5856d706f 100644
--- a/host/lib/usrp/misc_utils.cpp
+++ b/host/lib/usrp/misc_utils.cpp
@@ -164,13 +164,13 @@ static void verify_xx_subdev_spec(
         }
 
         //sanity check that the dboard/subdevice names exist for this mboard
-        BOOST_FOREACH(const subdev_spec_pair_t &pair, subdev_spec){
+        BOOST_FOREACH(subdev_spec_pair_t &pair, subdev_spec){
             //empty db name means select dboard automatically
             if (pair.db_name.empty()){
                 if (dboard_names.size() != 1) throw std::runtime_error(
                     "A daughterboard name must be provided for multi-slot motherboards: " + subdev_spec.to_string()
                 );
-                pair.db_name == dboard_names.front();
+                pair.db_name = dboard_names.front();
             }
             uhd::assert_has(dboard_names, pair.db_name, xx_type + " dboard name");
             wax::obj dboard = mboard[named_prop_t(dboard_prop, pair.db_name)];
@@ -181,7 +181,7 @@ static void verify_xx_subdev_spec(
                 if (subdev_names.size() != 1) throw std::runtime_error(
                     "A subdevice name must be provided for multi-subdev daughterboards: " + subdev_spec.to_string()
                 );
-                pair.sd_name == subdev_names.front();
+                pair.sd_name = subdev_names.front();
             }
             uhd::assert_has(subdev_names, pair.sd_name, xx_type + " subdev name");
         }
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 443b91594..876f1a3fc 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -145,7 +145,7 @@ public:
             time_spec_t time_0 = _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
             time_spec_t time_i = _mboard(m)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
             if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)){ //10 ms: greater than RTT but not too big
-                uhd::print_warning(str(boost::format(
+                uhd::warning::post(str(boost::format(
                     "Detected time deviation between board %d and board 0.\n"
                     "Board 0 time is %f seconds.\n"
                     "Board %d time is %f seconds.\n"
@@ -154,6 +154,15 @@ public:
         }
     }
 
+    bool get_time_synchronized(void){
+        for (size_t m = 1; m < get_num_mboards(); m++){
+            time_spec_t time_0 = _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
+            time_spec_t time_i = _mboard(m)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
+            if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)) return false;
+        }
+        return true;
+    }
+
     void issue_stream_cmd(const stream_cmd_t &stream_cmd){
         for (size_t m = 0; m < get_num_mboards(); m++){
             _mboard(m)[MBOARD_PROP_STREAM_CMD] = stream_cmd;
@@ -210,15 +219,9 @@ public:
         return _rx_dsp(0)[DSP_PROP_HOST_RATE].as<double>();
     }
 
-    tune_result_t set_rx_freq(double target_freq, size_t chan){
-        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), target_freq);
-        do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
-        return r;
-    }
-
-    tune_result_t set_rx_freq(double target_freq, double lo_off, size_t chan){
-        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), target_freq, lo_off);
-        do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
+    tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){
+        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), tune_request);
+        do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX");
         return r;
     }
 
@@ -314,15 +317,9 @@ public:
         return _tx_dsp(0)[DSP_PROP_HOST_RATE].as<double>();
     }
 
-    tune_result_t set_tx_freq(double target_freq, size_t chan){
-        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), target_freq);
-        do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
-        return r;
-    }
-
-    tune_result_t set_tx_freq(double target_freq, double lo_off, size_t chan){
-        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), target_freq, lo_off);
-        do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
+    tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){
+        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), tune_request);
+        do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "TX");
         return r;
     }
 
diff --git a/host/lib/usrp/single_usrp.cpp b/host/lib/usrp/single_usrp.cpp
index 5e57849b8..a0456d1f0 100644
--- a/host/lib/usrp/single_usrp.cpp
+++ b/host/lib/usrp/single_usrp.cpp
@@ -146,15 +146,9 @@ public:
         return _rx_dsp()[DSP_PROP_HOST_RATE].as<double>();
     }
 
-    tune_result_t set_rx_freq(double target_freq, size_t chan){
-        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(), chan, target_freq);
-        do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
-        return r;
-    }
-
-    tune_result_t set_rx_freq(double target_freq, double lo_off, size_t chan){
-        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(), chan, target_freq, lo_off);
-        do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
+    tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){
+        tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(), chan, tune_request);
+        do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX");
         return r;
     }
 
@@ -238,15 +232,9 @@ public:
         return _tx_dsp()[DSP_PROP_HOST_RATE].as<double>();
     }
 
-    tune_result_t set_tx_freq(double target_freq, size_t chan){
-        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(), chan, target_freq);
-        do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
-        return r;
-    }
-
-    tune_result_t set_tx_freq(double target_freq, double lo_off, size_t chan){
-        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(), chan, target_freq, lo_off);
-        do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
+    tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){
+        tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(), chan, tune_request);
+        do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "TX");
         return r;
     }
 
diff --git a/host/lib/usrp/tune_helper.cpp b/host/lib/usrp/tune_helper.cpp
index 7633c67f2..fa40a8a26 100644
--- a/host/lib/usrp/tune_helper.cpp
+++ b/host/lib/usrp/tune_helper.cpp
@@ -19,6 +19,7 @@
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/usrp/dsp_props.hpp>
 #include <uhd/usrp/dboard_iface.hpp> //unit_t
+#include <uhd/utils/algorithm.hpp>
 #include <boost/math/special_functions/sign.hpp>
 #include <cmath>
 
@@ -28,55 +29,99 @@ using namespace uhd::usrp;
 /***********************************************************************
  * Tune Helper Functions
  **********************************************************************/
-static tune_result_t tune_xx_subdev_and_dxc(
+static tune_result_t tune_xx_subdev_and_dsp(
     dboard_iface::unit_t unit,
-    wax::obj subdev, wax::obj dxc, size_t chan,
-    double target_freq, double lo_offset
+    wax::obj subdev, wax::obj dsp, size_t chan,
+    const tune_request_t &tune_request
 ){
     wax::obj subdev_freq_proxy = subdev[SUBDEV_PROP_FREQ];
-    std::string freq_name = dxc[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
-    wax::obj dxc_freq_proxy = dxc[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)];
-    double dxc_sample_rate = dxc[DSP_PROP_CODEC_RATE].as<double>();
+    std::string freq_name = dsp[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
+    wax::obj dsp_freq_proxy = dsp[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)];
+    double dsp_sample_rate = dsp[DSP_PROP_CODEC_RATE].as<double>();
 
-    // Ask the d'board to tune as closely as it can to target_freq+lo_offset
-    double target_inter_freq = target_freq + lo_offset;
-    subdev_freq_proxy = target_inter_freq;
-    double actual_inter_freq = subdev_freq_proxy.as<double>();
-
-    //perform the correction correction for dxc rates outside of nyquist
-    double delta_freq = std::fmod(target_freq - actual_inter_freq, dxc_sample_rate);
-    bool outside_of_nyquist = std::abs(delta_freq) > dxc_sample_rate/2.0;
-    double target_dxc_freq = (outside_of_nyquist)?
-        boost::math::sign(delta_freq)*dxc_sample_rate - delta_freq : -delta_freq;
+    //------------------------------------------------------------------
+    //-- calculate the LO offset, only used with automatic policy
+    //------------------------------------------------------------------
+    double lo_offset = 0.0;
+    if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
+        //If the local oscillator will be in the passband, use an offset.
+        //But constrain the LO offset by the width of the filter bandwidth.
+        double rate = dsp[DSP_PROP_HOST_RATE].as<double>();
+        double bw = subdev[SUBDEV_PROP_BANDWIDTH].as<double>();
+        if (bw > rate) lo_offset = std::min((bw - rate)/2, rate/2);
+    }
 
-    //invert the sign on the dxc freq given the following conditions
-    if (unit == dboard_iface::UNIT_TX) target_dxc_freq *= -1.0;
+    //------------------------------------------------------------------
+    //-- set the intermediate frequency depending upon the IF policy
+    //------------------------------------------------------------------
+    double target_inter_freq = 0.0;
+    switch (tune_request.inter_freq_policy){
+    case tune_request_t::POLICY_AUTO:
+        target_inter_freq = tune_request.target_freq + lo_offset;
+        subdev_freq_proxy = target_inter_freq;
+        break;
+
+    case tune_request_t::POLICY_MANUAL:
+        target_inter_freq = tune_request.inter_freq;
+        subdev_freq_proxy = target_inter_freq;
+        break;
+
+    case tune_request_t::POLICY_NONE: break; //does not set
+    }
+    double actual_inter_freq = subdev_freq_proxy.as<double>();
 
-    dxc_freq_proxy = target_dxc_freq;
-    double actual_dxc_freq = dxc_freq_proxy.as<double>();
+    //------------------------------------------------------------------
+    //-- calculate the dsp freq, only used with automatic policy
+    //------------------------------------------------------------------
+    double delta_freq = std::fmod(tune_request.target_freq - actual_inter_freq, dsp_sample_rate);
+    bool outside_of_nyquist = std::abs(delta_freq) > dsp_sample_rate/2.0;
+    double target_dsp_freq = (outside_of_nyquist)?
+        boost::math::sign(delta_freq)*dsp_sample_rate - delta_freq : -delta_freq;
+
+    //invert the sign on the dsp freq given the following conditions
+    if (unit == dboard_iface::UNIT_TX) target_dsp_freq *= -1.0;
+
+    //------------------------------------------------------------------
+    //-- set the dsp frequency depending upon the dsp frequency policy
+    //------------------------------------------------------------------
+    switch (tune_request.dsp_freq_policy){
+    case tune_request_t::POLICY_AUTO:
+        dsp_freq_proxy = target_dsp_freq;
+        break;
+
+    case tune_request_t::POLICY_MANUAL:
+        target_dsp_freq = tune_request.dsp_freq;
+        dsp_freq_proxy = target_dsp_freq;
+        break;
+
+    case tune_request_t::POLICY_NONE: break; //does not set
+    }
+    double actual_dsp_freq = dsp_freq_proxy.as<double>();
 
-    //load and return the tune result
+    //------------------------------------------------------------------
+    //-- load and return the tune result
+    //------------------------------------------------------------------
     tune_result_t tune_result;
     tune_result.target_inter_freq = target_inter_freq;
     tune_result.actual_inter_freq = actual_inter_freq;
-    tune_result.target_dsp_freq = target_dxc_freq;
-    tune_result.actual_dsp_freq = actual_dxc_freq;
+    tune_result.target_dsp_freq = target_dsp_freq;
+    tune_result.actual_dsp_freq = actual_dsp_freq;
     return tune_result;
 }
 
-static double derive_freq_from_xx_subdev_and_dxc(
+static double derive_freq_from_xx_subdev_and_dsp(
     dboard_iface::unit_t unit,
-    wax::obj subdev, wax::obj dxc, size_t chan
+    wax::obj subdev, wax::obj dsp, size_t chan
 ){
     //extract actual dsp and IF frequencies
     double actual_inter_freq = subdev[SUBDEV_PROP_FREQ].as<double>();
-    std::string freq_name = dxc[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
-    double actual_dxc_freq = dxc[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)].as<double>();
+    std::string freq_name = dsp[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
+    double actual_dsp_freq = dsp[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)].as<double>();
 
-    //invert the sign on the dxc freq given the following conditions
-    if (unit == dboard_iface::UNIT_TX) actual_dxc_freq *= -1.0;
+    //invert the sign on the dsp freq given the following conditions
+    if (unit == dboard_iface::UNIT_TX) actual_dsp_freq *= -1.0;
 
-    return actual_inter_freq - actual_dxc_freq;
+    return actual_inter_freq - actual_dsp_freq;
 }
 
 /***********************************************************************
@@ -84,27 +129,15 @@ static double derive_freq_from_xx_subdev_and_dxc(
  **********************************************************************/
 tune_result_t usrp::tune_rx_subdev_and_dsp(
     wax::obj subdev, wax::obj ddc, size_t chan,
-    double target_freq, double lo_offset
-){
-    return tune_xx_subdev_and_dxc(dboard_iface::UNIT_RX, subdev, ddc, chan, target_freq, lo_offset);
-}
-
-tune_result_t usrp::tune_rx_subdev_and_dsp(
-    wax::obj subdev, wax::obj ddc,
-    size_t chan, double target_freq
+    const tune_request_t &tune_request
 ){
-    double lo_offset = 0.0;
-    //if the local oscillator will be in the passband, use an offset
-    if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
-        lo_offset = 2.0*ddc[DSP_PROP_HOST_RATE].as<double>();
-    }
-    return tune_rx_subdev_and_dsp(subdev, ddc, chan, target_freq, lo_offset);
+    return tune_xx_subdev_and_dsp(dboard_iface::UNIT_RX, subdev, ddc, chan, tune_request);
 }
 
 double usrp::derive_freq_from_rx_subdev_and_dsp(
     wax::obj subdev, wax::obj ddc, size_t chan
 ){
-    return derive_freq_from_xx_subdev_and_dxc(dboard_iface::UNIT_RX, subdev, ddc, chan);
+    return derive_freq_from_xx_subdev_and_dsp(dboard_iface::UNIT_RX, subdev, ddc, chan);
 }
 
 /***********************************************************************
@@ -112,25 +145,13 @@ double usrp::derive_freq_from_rx_subdev_and_dsp(
  **********************************************************************/
 tune_result_t usrp::tune_tx_subdev_and_dsp(
     wax::obj subdev, wax::obj duc, size_t chan,
-    double target_freq, double lo_offset
+    const tune_request_t &tune_request
 ){
-    return tune_xx_subdev_and_dxc(dboard_iface::UNIT_TX, subdev, duc, chan, target_freq, lo_offset);
-}
-
-tune_result_t usrp::tune_tx_subdev_and_dsp(
-    wax::obj subdev, wax::obj duc,
-    size_t chan, double target_freq
-){
-    double lo_offset = 0.0;
-    //if the local oscillator will be in the passband, use an offset
-    if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
-        lo_offset = 2.0*duc[DSP_PROP_HOST_RATE].as<double>();
-    }
-    return tune_tx_subdev_and_dsp(subdev, duc, chan, target_freq, lo_offset);
+    return tune_xx_subdev_and_dsp(dboard_iface::UNIT_TX, subdev, duc, chan, tune_request);
 }
 
 double usrp::derive_freq_from_tx_subdev_and_dsp(
     wax::obj subdev, wax::obj duc, size_t chan
 ){
-    return derive_freq_from_xx_subdev_and_dxc(dboard_iface::UNIT_TX, subdev, duc, chan);
+    return derive_freq_from_xx_subdev_and_dsp(dboard_iface::UNIT_TX, subdev, duc, chan);
 }
diff --git a/host/lib/usrp/usrp1/CMakeLists.txt b/host/lib/usrp/usrp1/CMakeLists.txt
index 67487f99e..022015231 100644
--- a/host/lib/usrp/usrp1/CMakeLists.txt
+++ b/host/lib/usrp/usrp1/CMakeLists.txt
@@ -40,7 +40,7 @@ ENDIF(ENABLE_USRP1 AND NOT HAVE_USB_SUPPORT)
 
 IF(ENABLE_USRP1)
     MESSAGE(STATUS "  Building USRP1 support.")
-    INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/../firmware/fx2/include)
+    INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/../firmware/fx2/common)
 
     LIBUHD_APPEND_SOURCES(
         ${CMAKE_SOURCE_DIR}/lib/usrp/usrp1/clock_ctrl.cpp
diff --git a/host/lib/usrp/usrp1/mboard_impl.cpp b/host/lib/usrp/usrp1/mboard_impl.cpp
index fe3774eb4..4df5ada0a 100644
--- a/host/lib/usrp/usrp1/mboard_impl.cpp
+++ b/host/lib/usrp/usrp1/mboard_impl.cpp
@@ -98,7 +98,7 @@ static boost::uint32_t calc_rx_mux(
     //    for all quadrature sources: Z = 0
     //    for mixed sources: warning + Z = 0
     int Z = (num_quads > 0)? 0 : 1;
-    if (num_quads != 0 and num_reals != 0) uhd::print_warning(
+    if (num_quads != 0 and num_reals != 0) uhd::warning::post(
         "Mixing real and quadrature rx subdevices is not supported.\n"
         "The Q input to the real source(s) will be non-zero.\n"
     );
@@ -262,24 +262,10 @@ void usrp1_impl::mboard_get(const wax::obj &key_, wax::obj &val)
 {
     named_prop_t key = named_prop_t::extract(key_);
 
-    if(key_.type() == typeid(std::string)) {
-      if(key.as<std::string>() == "serial") {
-        uhd::byte_vector_t buf;
-        buf.insert(buf.begin(), 248);
-        boost::this_thread::sleep(boost::posix_time::milliseconds(100));
-        _iface->write_i2c(I2C_DEV_EEPROM, buf);
-        boost::this_thread::sleep(boost::posix_time::milliseconds(100));
-        buf = _iface->read_i2c(I2C_DEV_EEPROM, 8);
-        val = std::string(buf.begin(), buf.end());
-      }
-
-      return;
-   	}
-
     //handle the get request conditioned on the key
     switch(key.as<mboard_prop_t>()){
     case MBOARD_PROP_NAME:
-        val = std::string("usrp1 mboard - " + (*_mboard_proxy)[std::string("serial")].as<std::string>());
+        val = std::string("usrp1 mboard - " + _iface->mb_eeprom["serial"]);
         return;
 
     case MBOARD_PROP_OTHERS:
@@ -336,6 +322,10 @@ void usrp1_impl::mboard_get(const wax::obj &key_, wax::obj &val)
         val = _tx_subdev_spec;
         return;
 
+    case MBOARD_PROP_EEPROM_MAP:
+        val = _iface->mb_eeprom;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -351,14 +341,6 @@ void usrp1_impl::mboard_set(const wax::obj &key, const wax::obj &val)
         std::cout << "USRP1 EEPROM image: " << usrp1_eeprom_image << std::endl;
         _ctrl_transport->usrp_load_eeprom(val.as<std::string>());
       }
-
-      if(key.as<std::string>() == "serial") {
-        std::string sernum = val.as<std::string>();
-        uhd::byte_vector_t buf(sernum.begin(), sernum.end());
-        buf.insert(buf.begin(), 248);
-        _iface->write_i2c(I2C_DEV_EEPROM, buf);
-      }
-
       return;
    	}
 
@@ -395,6 +377,13 @@ void usrp1_impl::mboard_set(const wax::obj &key, const wax::obj &val)
         _iface->poke32(FR_TX_MUX, calc_tx_mux(_tx_subdev_spec, _mboard_proxy->get_link()));
         return;
 
+    case MBOARD_PROP_EEPROM_MAP:
+        // Step1: commit the map, writing only those values set.
+        // Step2: readback the entire eeprom map into the iface.
+        val.as<mboard_eeprom_t>().commit(*_iface, mboard_eeprom_t::MAP_B000);
+        _iface->mb_eeprom = mboard_eeprom_t(*_iface, mboard_eeprom_t::MAP_B000);
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/usrp1/usrp1_iface.cpp b/host/lib/usrp/usrp1/usrp1_iface.cpp
index 64ced2905..63fcd5777 100644
--- a/host/lib/usrp/usrp1/usrp1_iface.cpp
+++ b/host/lib/usrp/usrp1/usrp1_iface.cpp
@@ -25,6 +25,7 @@
 #include <iomanip>
 
 using namespace uhd;
+using namespace uhd::usrp;
 using namespace uhd::transport;
 
 static const bool iface_debug = false;
@@ -36,7 +37,8 @@ public:
      ******************************************************************/
     usrp1_iface_impl(usrp_ctrl::sptr ctrl_transport)
     {
-        _ctrl_transport = ctrl_transport; 
+        _ctrl_transport = ctrl_transport;
+        mb_eeprom = mboard_eeprom_t(*this, mboard_eeprom_t::MAP_B000);
     }
 
     ~usrp1_iface_impl(void)
diff --git a/host/lib/usrp/usrp1/usrp1_iface.hpp b/host/lib/usrp/usrp1/usrp1_iface.hpp
index 3f608584a..34a2330b5 100644
--- a/host/lib/usrp/usrp1/usrp1_iface.hpp
+++ b/host/lib/usrp/usrp1/usrp1_iface.hpp
@@ -18,6 +18,7 @@
 #ifndef INCLUDED_USRP1_IFACE_HPP
 #define INCLUDED_USRP1_IFACE_HPP
 
+#include <uhd/usrp/mboard_eeprom.hpp>
 #include <uhd/types/serial.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/utility.hpp>
@@ -81,6 +82,8 @@ public:
                                    boost::uint16_t index,
                                    unsigned char* buff,
                                    boost::uint16_t length) = 0;
+
+    uhd::usrp::mboard_eeprom_t mb_eeprom;
 };
 
 #endif /* INCLUDED_USRP1_IFACE_HPP */
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 276ca86f6..6016b0979 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -56,15 +56,17 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
     //return an empty list of addresses when type is set to non-usrp1
     if (hint.has_key("type") and hint["type"] != "usrp1") return usrp1_addrs;
 
+    //Return an empty list of addresses when an address is specified,
+    //since an address is intended for a different, non-USB, device.
+    if (hint.has_key("addr")) return usrp1_addrs;
+
     //extract the firmware path for the USRP1
     std::string usrp1_fw_image;
     try{
-        usrp1_fw_image = find_image_path(
-            hint.has_key("fw")? hint["fw"] : "usrp1_fw.ihx"
-        );
+        usrp1_fw_image = find_image_path(hint.get("fw", "usrp1_fw.ihx"));
     }
     catch(...){
-        uhd::print_warning(
+        uhd::warning::post(
             "Could not locate USRP1 firmware.\n"
             "Please install the images package.\n"
         );
@@ -91,11 +93,16 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
     pid = USRP1_PRODUCT_ID;
 
     BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) {
+        usrp1_iface::sptr iface = usrp1_iface::make(usrp_ctrl::make(usb_control::make(handle)));
         device_addr_t new_addr;
         new_addr["type"] = "usrp1";
+        new_addr["name"] = iface->mb_eeprom["name"];
         new_addr["serial"] = handle->get_serial();
-        //this is a found usrp1 when a hint serial is not specified or it matches
-        if (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]){
+        //this is a found usrp1 when the hint serial and name match or blank
+        if (
+            (not hint.has_key("name")   or hint["name"]   == new_addr["name"]) and
+            (not hint.has_key("serial") or hint["serial"] == new_addr["serial"])
+        ){
             usrp1_addrs.push_back(new_addr);
         }
     }
@@ -110,7 +117,7 @@ static device::sptr usrp1_make(const device_addr_t &device_addr){
 
     //extract the FPGA path for the USRP1
     std::string usrp1_fpga_image = find_image_path(
-        device_addr.has_key("fpga")? device_addr["fpga"] : "usrp1_fpga.rbf"
+        device_addr.get("fpga", "usrp1_fpga.rbf")
     );
     //std::cout << "USRP1 FPGA image: " << usrp1_fpga_image << std::endl;
 
diff --git a/host/lib/usrp/usrp2/clock_ctrl.cpp b/host/lib/usrp/usrp2/clock_ctrl.cpp
index 04bbd6ba3..8eaafe680 100644
--- a/host/lib/usrp/usrp2/clock_ctrl.cpp
+++ b/host/lib/usrp/usrp2/clock_ctrl.cpp
@@ -22,6 +22,7 @@
 #include "usrp2_clk_regs.hpp"
 #include <uhd/utils/assert.hpp>
 #include <boost/cstdint.hpp>
+#include <boost/lexical_cast.hpp>
 #include <iostream>
 
 using namespace uhd;
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index bbe9c273f..83b70bddc 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -236,6 +236,11 @@ size_t usrp2_impl::get_max_recv_samps_per_packet(void) const{
     return bpp/_rx_otw_type.get_sample_size();
 }
 
+static void handle_overflow(std::vector<usrp2_mboard_impl::sptr> &mboards, size_t chan){
+    std::cerr << "O" << std::flush;
+    mboards.at(chan/mboards.size())->handle_overflow();
+}
+
 size_t usrp2_impl::recv(
     const std::vector<void *> &buffs, size_t num_samps,
     rx_metadata_t &metadata, const io_type_t &io_type,
@@ -248,6 +253,7 @@ size_t usrp2_impl::recv(
         io_type, _rx_otw_type,                     //input and output types to convert
         _mboards.front()->get_master_clock_freq(), //master clock tick rate
         uhd::transport::vrt::if_hdr_unpack_be,
-        boost::bind(&usrp2_impl::io_impl::get_recv_buffs, _io_impl.get(), _1, timeout)
+        boost::bind(&usrp2_impl::io_impl::get_recv_buffs, _io_impl.get(), _1, timeout),
+        boost::bind(&handle_overflow, _mboards, _1)
     );
 }
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index 9ccf90bbb..eb5b79b20 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -23,11 +23,7 @@
 #include "mboard_rev.hpp"
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/algorithm.hpp>
-#include <uhd/types/mac_addr.hpp>
-#include <uhd/types/dict.hpp>
 #include <boost/bind.hpp>
-#include <boost/assign/list_of.hpp>
-#include <boost/asio/ip/address_v4.hpp>
 #include <iostream>
 #include <boost/date_time/posix_time/posix_time.hpp>
 
@@ -44,11 +40,9 @@ usrp2_mboard_impl::usrp2_mboard_impl(
     size_t recv_frame_size
 ):
     _index(index),
-    _recv_frame_size(recv_frame_size)
+    _recv_frame_size(recv_frame_size),
+    _iface(usrp2_iface::make(ctrl_transport))
 {
-    //make a new interface for usrp2 stuff
-    _iface = usrp2_iface::make(ctrl_transport);
-    
     //contruct the interfaces to mboard perifs
     _clock_ctrl = usrp2_clock_ctrl::make(_iface);
     _codec_ctrl = usrp2_codec_ctrl::make(_iface);
@@ -188,7 +182,15 @@ void usrp2_mboard_impl::set_time_spec(const time_spec_t &time_spec, bool now){
     _iface->poke32(_iface->regs.time64_secs, boost::uint32_t(time_spec.get_full_secs()));
 }
 
+void usrp2_mboard_impl::handle_overflow(void){
+    _iface->poke32(_iface->regs.rx_ctrl_clear_overrun, 1);
+    if (_continuous_streaming){ //re-issue the stream command if already continuous
+        this->issue_ddc_stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
+    }
+}
+
 void usrp2_mboard_impl::issue_ddc_stream_cmd(const stream_cmd_t &stream_cmd){
+    _continuous_streaming = stream_cmd.stream_mode == stream_cmd_t::STREAM_MODE_START_CONTINUOUS;
     _iface->poke32(_iface->regs.rx_ctrl_stream_cmd, dsp_type1::calc_stream_cmd_word(
         stream_cmd, _recv_frame_size
     ));
@@ -203,42 +205,14 @@ static const std::string dboard_name = "0";
 
 void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
     named_prop_t key = named_prop_t::extract(key_);
-
-    //handle the other props
-    if (key_.type() == typeid(std::string)){
-        if (key.as<std::string>() == "mac-addr"){
-            byte_vector_t bytes = _iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, 6);
-            val = mac_addr_t::from_bytes(bytes).to_string();
-            return;
-        }
-
-        if (key.as<std::string>() == "ip-addr"){
-            boost::asio::ip::address_v4::bytes_type bytes;
-            std::copy(_iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, 4), bytes);
-            val = boost::asio::ip::address_v4(bytes).to_string();
-            return;
-        }
-        
-        if (key.as<std::string>() == "hw-rev"){
-            //extract the mboard rev number
-            val = _iface->get_hw_rev().to_string();
-            return;
-        }
-    }
-
     //handle the get request conditioned on the key
     switch(key.as<mboard_prop_t>()){
     case MBOARD_PROP_NAME:
-        val = str(boost::format("usrp2 mboard%d - rev %s") % _index % _iface->get_hw_rev().to_string());
+        val = str(boost::format("usrp2 mboard%d - rev %s") % _index % _iface->mb_eeprom["rev"]);
         return;
 
-    case MBOARD_PROP_OTHERS:{
-            prop_names_t others = boost::assign::list_of
-                ("mac-addr")
-                ("ip-addr")
-            ;
-            val = others;
-        }
+    case MBOARD_PROP_OTHERS:
+        val = prop_names_t();
         return;
 
     case MBOARD_PROP_RX_DBOARD:
@@ -299,6 +273,10 @@ void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
         val = _tx_subdev_spec;
         return;
 
+    case MBOARD_PROP_EEPROM_MAP:
+        val = _iface->mb_eeprom;
+        return;
+
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
@@ -307,32 +285,6 @@ void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
  * MBoard Set Properties
  **********************************************************************/
 void usrp2_mboard_impl::set(const wax::obj &key, const wax::obj &val){
-    //handle the other props
-    if (key.type() == typeid(std::string)){
-        if (key.as<std::string>() == "mac-addr"){
-            byte_vector_t bytes = mac_addr_t::from_string(val.as<std::string>()).to_bytes();
-            _iface->write_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, bytes);
-            return;
-        }
-
-        if (key.as<std::string>() == "ip-addr"){
-            byte_vector_t bytes(4);
-            std::copy(boost::asio::ip::address_v4::from_string(val.as<std::string>()).to_bytes(), bytes);
-            _iface->write_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, bytes);
-            return;
-        }
-        
-        if (key.as<std::string>() == "hw-rev"){
-            mboard_rev_t rev = mboard_rev_t::from_string(val.as<std::string>());
-            byte_vector_t rev_bytes(2);
-            rev_bytes[1] = rev.to_uint16() >> 8;
-            rev_bytes[0] = rev.to_uint16() & 0xff;
-            _iface->write_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV, rev_bytes);
-            _iface->set_hw_rev(rev); //so the iface knows what rev it is
-            return;
-        }
-    }
-
     //handle the set request conditioned on the key
     switch(key.as<mboard_prop_t>()){
 
@@ -375,6 +327,13 @@ void usrp2_mboard_impl::set(const wax::obj &key, const wax::obj &val){
         ));
         return;
 
+    case MBOARD_PROP_EEPROM_MAP:
+        // Step1: commit the map, writing only those values set.
+        // Step2: readback the entire eeprom map into the iface.
+        val.as<mboard_eeprom_t>().commit(*_iface, mboard_eeprom_t::MAP_N100);
+        _iface->mb_eeprom = mboard_eeprom_t(*_iface, mboard_eeprom_t::MAP_N100);
+        return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp
index d5ac14155..52adb5373 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.cpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.cpp
@@ -30,6 +30,7 @@
 #include <algorithm>
 
 using namespace uhd;
+using namespace uhd::usrp;
 using namespace uhd::transport;
 
 /*!
@@ -65,6 +66,7 @@ public:
             ) % int(USRP2_FPGA_COMPAT_NUM) % fpga_compat_num));
         }
 
+        mb_eeprom = mboard_eeprom_t(*this, mboard_eeprom_t::MAP_N100);
     }
 
     ~usrp2_iface_impl(void){
diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp
index fee3b23af..88bff5913 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.hpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.hpp
@@ -20,6 +20,7 @@
 
 #include <uhd/transport/udp_simple.hpp>
 #include <uhd/types/serial.hpp>
+#include <uhd/usrp/mboard_eeprom.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/utility.hpp>
 #include <boost/cstdint.hpp>
@@ -128,6 +129,8 @@ public:
      * Hardware revision as returned by the device.
      */
     mboard_rev_t hw_rev;
+    //motherboard eeprom map structure
+    uhd::usrp::mboard_eeprom_t mb_eeprom;
 };
 
 #endif /* INCLUDED_USRP2_IFACE_HPP */
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index a680708ad..5f549c4fd 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -21,6 +21,7 @@
 #include <uhd/usrp/device_props.hpp>
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
+#include <uhd/utils/warning.hpp>
 #include <uhd/utils/algorithm.hpp>
 #include <boost/assign/list_of.hpp>
 #include <boost/format.hpp>
@@ -61,7 +62,7 @@ static uhd::device_addrs_t usrp2_find(const device_addr_t &hint){
             if (if_addrs.inet == asio::ip::address_v4::loopback().to_string()) continue;
 
             //create a new hint with this broadcast address
-            device_addr_t new_hint;
+            device_addr_t new_hint = hint;
             new_hint["addr"] = if_addrs.bcast;
 
             //call discover with the new hint and append results
@@ -101,19 +102,37 @@ static uhd::device_addrs_t usrp2_find(const device_addr_t &hint){
     while(true){
         size_t len = udp_transport->recv(asio::buffer(usrp2_ctrl_data_in_mem), DISCOVERY_TIMEOUT_MS);
         //std::cout << len << "\n";
-        if (len > offsetof(usrp2_ctrl_data_t, data)){
-            //handle the received data
-            switch(ntohl(ctrl_data_in->id)){
-            case USRP2_CTRL_ID_WAZZUP_DUDE:
-                //make a boost asio ipv4 with the raw addr in host byte order
-                boost::asio::ip::address_v4 ip_addr(ntohl(ctrl_data_in->data.ip_addr));
-                device_addr_t new_addr;
-                new_addr["type"] = "usrp2";
-                new_addr["addr"] = ip_addr.to_string();
-                usrp2_addrs.push_back(new_addr);
-                //dont break here, it will exit the while loop
-                //just continue on to the next loop iteration
+        if (len > offsetof(usrp2_ctrl_data_t, data) and ntohl(ctrl_data_in->id) == USRP2_CTRL_ID_WAZZUP_DUDE){
+            //make a boost asio ipv4 with the raw addr in host byte order
+            boost::asio::ip::address_v4 ip_addr(ntohl(ctrl_data_in->data.ip_addr));
+            device_addr_t new_addr;
+            new_addr["type"] = "usrp2";
+            new_addr["addr"] = ip_addr.to_string();
+            //Attempt to read the name from the EEPROM and perform filtering.
+            //This operation can throw due to COMPAT mismatch. That is OK.
+            //We will allow the device to be found and the COMPAT mismatch
+            //will be thrown as an exception in the factory function.
+            try{
+                mboard_eeprom_t mb_eeprom = usrp2_iface::make(
+                    udp_simple::make_connected(new_addr["addr"], num2str(USRP2_UDP_CTRL_PORT))
+                )->mb_eeprom;
+                new_addr["name"] = mb_eeprom["name"];
+                new_addr["serial"] = mb_eeprom["serial"];
+                if (
+                    (not hint.has_key("name")   or hint["name"]   == new_addr["name"]) and
+                    (not hint.has_key("serial") or hint["serial"] == new_addr["serial"])
+                ){
+                    usrp2_addrs.push_back(new_addr);
+                }
             }
+            catch(const std::exception &e){
+                uhd::warning::post(
+                    std::string("Ignoring discovered device\n")
+                    + e.what()
+                );
+            }
+            //dont break here, it will exit the while loop
+            //just continue on to the next loop iteration
         }
         if (len == 0) break; //timeout
     }
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index 1ebd90ca4..738c398d9 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -33,7 +33,7 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
 #include <uhd/transport/vrt_if_packet.hpp>
-#include <uhd/transport/udp_simple.hpp> //mtu
+#include <uhd/transport/udp_simple.hpp>
 #include <uhd/transport/udp_zero_copy.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
 #include <uhd/usrp/subdev_spec.hpp>
@@ -93,14 +93,12 @@ public:
         return _clock_ctrl->get_master_clock_rate();
     }
 
+    void handle_overflow(void);
+
 private:
     size_t _index;
     const size_t _recv_frame_size;
-
-    //properties for this mboard
-    void get(const wax::obj &, wax::obj &);
-    void set(const wax::obj &, const wax::obj &);
-    uhd::usrp::subdev_spec_t _rx_subdev_spec, _tx_subdev_spec;
+    bool _continuous_streaming;
 
     //interfaces
     usrp2_iface::sptr _iface;
@@ -109,6 +107,11 @@ private:
     usrp2_serdes_ctrl::sptr _serdes_ctrl;
     usrp2_gps_ctrl::sptr _gps_ctrl;
 
+    //properties for this mboard
+    void get(const wax::obj &, wax::obj &);
+    void set(const wax::obj &, const wax::obj &);
+    uhd::usrp::subdev_spec_t _rx_subdev_spec, _tx_subdev_spec;
+
     //rx and tx dboard methods and objects
     uhd::usrp::dboard_manager::sptr _dboard_manager;
     uhd::usrp::dboard_iface::sptr _dboard_iface;
diff --git a/host/lib/usrp/wrapper_utils.hpp b/host/lib/usrp/wrapper_utils.hpp
index aee230fc0..6f9fdbfca 100644
--- a/host/lib/usrp/wrapper_utils.hpp
+++ b/host/lib/usrp/wrapper_utils.hpp
@@ -40,7 +40,7 @@ static inline void do_samp_rate_warning_message(
 ){
     static const double max_allowed_error = 1.0; //Sps
     if (std::abs(target_rate - actual_rate) > max_allowed_error){
-        uhd::print_warning(str(boost::format(
+        uhd::warning::post(str(boost::format(
             "The hardware does not support the requested %s sample rate:\n"
             "Target sample rate: %f MSps\n"
             "Actual sample rate: %f MSps\n"
@@ -55,7 +55,7 @@ static inline void do_tune_freq_warning_message(
 ){
     static const double max_allowed_error = 1.0; //Hz
     if (std::abs(target_freq - actual_freq) > max_allowed_error){
-        uhd::print_warning(str(boost::format(
+        uhd::warning::post(str(boost::format(
             "The hardware does not support the requested %s frequency:\n"
             "Target frequency: %f MHz\n"
             "Actual frequency: %f MHz\n"
diff --git a/host/lib/utils/thread_priority.cpp b/host/lib/utils/thread_priority.cpp
index f09d1b1d6..40b74f655 100644
--- a/host/lib/utils/thread_priority.cpp
+++ b/host/lib/utils/thread_priority.cpp
@@ -26,7 +26,7 @@ bool uhd::set_thread_priority_safe(float priority, bool realtime){
         set_thread_priority(priority, realtime);
         return true;
     }catch(const std::exception &e){
-        uhd::print_warning(str(boost::format(
+        uhd::warning::post(str(boost::format(
             "%s\n"
             "Failed to set thread priority %d (%s):\n"
             "Performance may be negatively affected.\n"
diff --git a/host/lib/utils/warning.cpp b/host/lib/utils/warning.cpp
index 8a7d35a23..05be7ae4d 100644
--- a/host/lib/utils/warning.cpp
+++ b/host/lib/utils/warning.cpp
@@ -17,16 +17,67 @@
 
 #include <uhd/utils/warning.hpp>
 #include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/static.hpp>
+#include <uhd/types/dict.hpp>
 #include <boost/foreach.hpp>
+#include <sstream>
+#include <stdexcept>
 #include <iostream>
 #include <vector>
 
 using namespace uhd;
 
-void uhd::print_warning(const std::string &msg){
-    //print the warning message
-    std::cerr << std::endl << "Warning:" << std::endl;
+/***********************************************************************
+ * Registry implementation
+ **********************************************************************/
+//create the registry for the handlers
+typedef uhd::dict<std::string, warning::handler_t> registry_t;
+UHD_SINGLETON_FCN(registry_t, get_registry)
+
+//the default warning handler
+static void stderr_warning(const std::string &msg){
+    std::cerr << msg;
+}
+
+//register a default handler
+UHD_STATIC_BLOCK(warning_register_default){
+    warning::register_handler("default", &stderr_warning);
+}
+
+/***********************************************************************
+ * Post + format
+ **********************************************************************/
+void warning::post(const std::string &msg){
+    std::stringstream ss;
+
+    //format the warning message
+    ss << std::endl << "Warning:" << std::endl;
     BOOST_FOREACH(const std::string &line, std::split_string(msg, "\n")){
-        std::cerr << "    " << line << std::endl;
+        ss << "    " << line << std::endl;
+    }
+
+    //post the formatted message
+    BOOST_FOREACH(const std::string &name, get_registry().keys()){
+        get_registry()[name](ss.str());
     }
 }
+
+/***********************************************************************
+ * Registry accessor functions
+ **********************************************************************/
+void warning::register_handler(
+    const std::string &name, const handler_t &handler
+){
+    get_registry()[name] = handler;
+}
+
+warning::handler_t warning::unregister_handler(const std::string &name){
+    if (not get_registry().has_key(name)) throw std::runtime_error(
+        "The warning registry does not have a handler registered to " + name
+    );
+    return get_registry().pop(name);
+}
+
+const std::vector<std::string> warning::registry_names(void){
+    return get_registry().keys();
+}