[USRP-users] FLEX900 + USRP1 Rev2

John Ackermann N8UR jra at febo.com
Mon Oct 23 16:47:37 EDT 2017


If anyone has that wiki page archived, I'd love to see it as I have a 
very early USRP1 that I meant to modify but never got around to it. 
IIRC, it was to add a missing clock signal to the daughterboard 
connector.  In the meantime, I'll dig for the resources that Kyeong 
mentioned.

On 10/23/2017 04:07 PM, Kyeong Su Shin via USRP-users wrote:
> Hello Angilberto Muniz:
> 
> An alternative to this is to modify the USRP 1 motherboard (instead of 
> the dauthgerboard). There used to be a GNURadio wiki page about this 
> ("USRPSerialBelow500"), but it is apparently gone. You can still find 
> some old e-mail archives and Chinese articles (with images) regarding this.
> 
> Regards,
> Kyeong Su Shin
> 
> On Mon, Oct 23, 2017 at 11:16 AM, Angilberto Muniz Sb via USRP-users 
> <usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>> wrote:
> 
>     Hi,
>     I have a USRP1 Rev2 board and a FLEX900 dboard. The flex900 works
>     fine with USRP1 Rev4.5, but wont work with USRP1 Rev2.
> 
>     I read somewhere that I shoud modify the flex900 to make it work
>     with USRP1 Rev2.
> 
>     The problem is I read two different tips...
> 
>     in "https://files.ettus.com/manual/page_dboards.html#dboards_rfxmod
>     <https://files.ettus.com/manual/page_dboards.html#dboards_rfxmod>"
>     it says:
> 
>     "...move R35 to R36 and move R117 to R115..."
> 
>     *in
>     "**https://lists.gnu.org/archive/html/discuss-gnuradio/2009-04/msg00518.html
>     <https://lists.gnu.org/archive/html/discuss-gnuradio/2009-04/msg00518.html>"
>     it says:*
>     *
>     *
>     *".. move R36 to R34 and move R115 to R116..."*
>     *
>     *
>     *Any help?*
> 
>     Thank you,
> 
>     Angilberto.
> 
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> 
> 
> 
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