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Re: [Discuss-gnuradio] TVRX2+USRP (serial > 500) 'invalid EEPROM content

From: Josh Blum
Subject: Re: [Discuss-gnuradio] TVRX2+USRP (serial > 500) 'invalid EEPROM contents' problem
Date: Mon, 12 Sep 2011 14:29:58 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110831 Lightning/1.0b2 Thunderbird/3.1.13

On 09/12/2011 02:25 PM, Dmitry Shatskiy wrote:
> Hi,
> We're using two older USRP boards:
> 1) Rev. 4.5, Ser. #3542,
> 2) Rev. 3, Ser. #290 with a clocking scheme modified according to the
> http://gnuradio.org/redmine/projects/gnuradio/wiki/USRPSerialBelow500 .
> We're also using a BasicRX daughterboard with both of these motherboards and
> have no problems receiving 150 MHz signals using our code.
> We were planning to use the newer TVRX2 receivers for the 400 MHz signals
> so we purchased a couple of TVRX2 Rev. 1.1 daughterboards. No changes were
> made to them. After plugging any of the two TVRX2 daughterboards - either in
> addition to BasicRX or separately in any of the receiver slots of any of the
> two USRPs - and trying to execute our code (or any other basic code like
> usrp_benchmark_usb.py) we get a standard error message:
> *> 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.*

It looks like UHD is recognizing you daughterboard just fine, hence the
string "Name: TVRX2 (0x0046)" in the probe output.

I think you are trying to use the old libusrp1-gnuradio driver, when you
should be using the gr-uhd source and sink blocks:


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