Hi Seppo,

hard to say why the USRP isn't showing up on the PCIe bus. I've only ever
used the official NI PCIe extension card (
https://www.ettus.com/all-products/pcie-kit/), in principle, I don't see
why your card wouldn't work, but it's not something we can help with,
unfortunately.

BTW, if you are able to get a 10 GbE card, you can exceed the rates of the
PCIe link, with almost no downsides compared to PCIe.

--M

On Fri, Nov 22, 2024 at 11:21 AM <seppo.j.rant...@vtt.fi> wrote:

> Hi, I cannot get the NI-2943R (=Ettus x310) connected to the PC via the
> PCIe transport connection. The Ettus firmware is upgraded to the currently
> latest one, UHD version is UHD_4.7.0.0-0ubuntu1~jammy1. The default HG
> image was uploaded to Ettus. The upload was done via SFP+ Port 0 Interface,
> 1GbE copper SFP connected. Since I had Terasic PCIe x4 Cable Adapter (PCA)
> conversion card available, I would like to use that instead of 1GbE SFP
> port.
>
> PC is Precision 3680 Tower WS. The OS is Ubuntu 22.04.5 LTS with kernel
> Linux 6.8.0-49-generic. The NI Linux device drivers were installed
> according to the guide:
> https://files.ettus.com/manual/page_ni_rio_kernel.html
>
> Command lspci -k -d 1093:c4c4 returns nothing. I checked the Terasic PCIe
> x4 PCA LEDs during operation: If I first power on the NI-2943R before
> powering up the PC as recommended, the LEDs on PCA stay off. In the other
> order, powering up NI-2943R after the PC, the D2 edge, D3 power and DN2-DN4
> (signal detect output for CH_B, receiver detect outputfor CH_A0 and CH_B0).
>
> I have tried various grub options, disabling power saving modes there and
> so on but now just more or less helpless. Does anyone has had similar
> issues with the similar HW.
>
> I attached output list of dmidecode, lspci and lshw commands.
>
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