I successful found the X300 on my network. The probe command returned that the 
FGPA was 35, but got 13.   I followed the procedure to reflash.  That worked 
but now I have a residual DDC  error from probe command:


PS C:\Program Files\UHD\bin> .\uhd_usrp_probe.exe --args addr=192.168.10.2
[INFO] [UHD] Win32; Microsoft Visual C++ version 14.1; Boost_106600; 
UHD_3.13.0.0-0-gf114cfa0
[INFO] [X300] X300 initialization sequence...
[INFO] [X300] Maximum frame size: 1472 bytes.
[INFO] [X300] Radio 1x clock: 200 MHz
[INFO] [GPS] No GPSDO found
[WARNING] [UDP] The MTU (1472) is larger than the FastSendDatagramThreshold 
(1024)!
This will negatively affect the transmit performance.
See the transport application notes for more detail.

[INFO] [0/DmaFIFO_0] Initializing block control (NOC ID: 0xF1F0D00000000000)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1307 MB/s)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1317 MB/s)
[INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000000)
[ERROR] [DDC] Major compat number mismatch for DDC: Expecting 2, got 1.
Error: RuntimeError: FPGA component `DDC' is revision 1 and UHD supports 
revision 2. Please either upgrade the FPGA image (recommended) or downgrade UHD.


I have so far found no mention of this problem anywhere.

Jay



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