Hello all,

I recently purchased 4 N210s and installed 4 new UXB-40 daughter cards.
When I run uhd_usrp_probe on each of the 4 N210s it fails to identify and 
returns an unknown ID and name.

I've run the probe from two different machines (Ubuntu 16.04 and Xubuntu 16.04).
I've run the probe with UHD 3.9,  3.10,  and  3.11 (uhd installed from Ubuntu 
package manager, "maint" source code, and "master" source code respectively)
I've run the uhd_images_downloader and rerun the uhd_image_loader on each board.
I've taking two other N210s, successfully identified their respective SXB and 
WBX cards with uhd_usrp_probe, replaced those cards with UBX-40s, and then 
failed to ID the newly installed cards.
I've replicated the issue on Mboard: N210r4 and Mboard: N210.

Below is the one outputs from uhd_usrp_probe:

linux; GNU C++ version 5.4.0 20160609; Boost_105800; 
UHD_003.010.HEAD-197-g053111dc

-- Opening a USRP2/N-Series device...
-- Current recv frame size: 1472 bytes
-- Current send frame size: 1472 bytes
  _____________________________________________________
/
|       Device: USRP2 / N-Series Device
|     _____________________________________________________
|    /
|   |       Mboard: N210r4
|   |   hardware: 2577
|   |   mac-addr: 00:80:2f:18:6e:3e
|   |   ip-addr: 192.168.10.2
|   |   subnet: 255.255.255.255
|   |   gateway: 255.255.255.255
|   |   gpsdo: none
|   |   serial: 313E047
|   |   FW Version: 12.4
|   |   FPGA Version: 11.1
|   |
|   |   Time sources:  none, external, _external_, mimo, gpsdo
|   |   Clock sources: internal, external, mimo, gpsdo
|   |   Sensors: gps_gpgga, gps_gprmc, gps_time, gps_locked, gps_servo, 
mimo_locked, ref_locked
|   |     _____________________________________________________
|   |    /
|   |   |       RX DSP: 0
|   |   |
|   |   |   Freq range: -50.000 to 50.000 MHz
|   |     _____________________________________________________
|   |    /
|   |   |       RX DSP: 1
|   |   |
|   |   |   Freq range: -50.000 to 50.000 MHz
|   |     _____________________________________________________
|   |    /
|   |   |       RX Dboard: A
|   |   |   ID: Unknown (0x007c)
|   |   |   Serial: 313C17A
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Frontend: 0
|   |   |   |   Name: Unknown (0x007c) - 0
|   |   |   |   Antennas:
|   |   |   |   Sensors:
|   |   |   |   Freq range: 0.000 to 0.000 MHz
|   |   |   |   Gain Elements: None
|   |   |   |   Bandwidth range: 0.0 to 0.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Codec: A
|   |   |   |   Name: ads62p44
|   |   |   |   Gain range digital: 0.0 to 6.0 step 0.5 dB
|   |   |   |   Gain range fine: 0.0 to 0.5 step 0.1 dB
|   |     _____________________________________________________
|   |    /
|   |   |       TX DSP: 0
|   |   |
|   |   |   Freq range: -50.000 to 50.000 MHz
|   |     _____________________________________________________
|   |    /
|   |   |       TX Dboard: A
|   |   |   ID: Unknown (0x007b)
|   |   |   Serial: 313C17A
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Frontend: 0
|   |   |   |   Name: Unknown (0x007b) - 0
|   |   |   |   Antennas:
|   |   |   |   Sensors:
|   |   |   |   Freq range: 0.000 to 0.000 MHz
|   |   |   |   Gain Elements: None
|   |   |   |   Bandwidth range: 0.0 to 0.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Codec: A
|   |   |   |   Name: ad9777
|   |   |   |   Gain Elements: None

With thanks,

David Myers
Georgia Tech Research Institute
david.my...@gtri.gatech.edu


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