Marcus,
Thanks for the link! I didn't have any terminators on hand over the
weekend, but will try that today. Appreciate the suggestion!
-Dave
On Mon, Aug 15, 2022 at 10:51 AM Marcus D. Leech <patchvonbr...@gmail.com>
wrote:
> On 2022-08-15 10:47, Dave NotTelling wrote:
>
> Marcus,
>
> It was crazy cheap (~$650), and reflashing on power up isn't hard :)
> It's a fun toy for learning about RFNoC and just FPGA fun in general. Came
> with two 40 MHz WBX boards. Is there a part number for the flash? Is it
> something that can be popped off with a hot air gun? I think it did come
> up on its own once. Curious if it just needs to be reflowed.
>
> The schematics are here:
>
> https://files.ettus.com/schematics/x300/
>
>
>
> It does seem to have a working EEPROM since I can change the IP
> address.
>
> I also noticed that both WBX boards have nasty spur looking tones for
> several hundred MHz in the lower range of the WBX. Is it possible that
> there are issues on the motherboard that could cause those issues? I have
> a proper power supply arriving today to replace the ATX computer supply I
> have been testing with (12 Volt)
>
> Could very well be clock issues or other things in the standard
> daughtercard interface that are unexpectedly noisy.
>
> Do they go away if you terminate the inputs?
>
>
>
> Thanks!
>
> -Dave
>
> On Mon, Aug 15, 2022 at 10:41 AM Marcus D. Leech <patchvonbr...@gmail.com>
> wrote:
>
>> On 2022-08-15 10:34, Dave NotTelling wrote:
>> > Apologies if this is a repost. I don't think my original message made
>> > it to the list for some reason.
>> >
>> > I recently got my hands on a used x310. It seems to work well, but
>> > for some reason will not boot on its own. Vivado hardware manager
>> > shows the device as not being programmed, and the network interfaces
>> > don't come up (no lights on the SFPs). If I reflash the device with
>> > Vivado it will come up and work as expected. Is there a way to test
>> > the flash chip to see if it's alive? Running uhd_image_loader seems
>> > to work fine, but the device still will not come up automatically.
>> >
>> > Thanks!
>> >
>> > -Dave
>> >
>> >
>> This does sound like a FLASH issue. I hope you didn't pay that much for
>> it...
>>
>>
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>
>
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