On Aug 30, 2010, at 8:15 AM, Federico Battaglia wrote:
> in testing the USRP I came across several warnings. Can someone tell me what 
> they mean and if they are irrelevant?
[...]
> @ubuntu:/usr/share/gnuradio/examples/usrp$ ./usrp_benchmark_usb.py
> Testing 2MB/sec... 
> Warning: Treating daughterboard with invalid EEPROM contents as if it were a 
> "Basic Tx."
> Warning: This is almost certainly wrong...  Use appropriate burn-*-eeprom 
> utility.
> 
> 
> Warning: Treating daughterboard with invalid EEPROM contents as if it were a 
> "Basic Rx."
> Warning: This is almost certainly wrong...  Use appropriate burn-*-eeprom 
> utility.



Those look relevant to me. Each RF daughterboard is supposed to have an EEPROM 
(memory chip) whose contents tell the gnuradio software what kind of board is 
installed. Your software is complaining that it couldn't identify the installed 
daughterboard(s), so their EEPROM(s) may need to be reprogrammed.

There's some discussion of the EEPROMs here that might be helpful:

http://gnuradio.org/redmine/wiki/gnuradio/UsrpFAQDBoards


-- 
Mark J. Blair, NF6X <n...@nf6x.net>
Web page: http://www.nf6x.net/
GnuPG public key available from my web page.





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