ThinkPad X201/X230 and COMPEX WLE900VX-7A wifi module

Adrian Chadd adrian at
Fri Apr 14 15:05:35 PDT 2017


I think there's a known issue with the compex NIC not being "will work
on all mini-pcie slots" for some reason. I don't know why :(


On 14 April 2017 at 06:22, Marek Behun <kabel at> wrote:
> Hello,
> I have a question about the MiniPCI-e wifi module COMPEX WLE900VX-7A.
> This module can be found in, for example, the Turris Omnia router, or
> can be bought from CompexShop
> On the webpage you can find this text:
>   Attention : Atheros 11ac radio can't be used in PC or laptop, as BIOS
>   do not detects it, as Atheros do not release such driver. Pls read
>   reviews for more details about supported PC boards
>   We found that with our Linux PC the WLE600VX card radio (using
>   miniPCIe to PCIe adapter card) is working well.
> So apparently somehow this module work on some machines and on others
> don't. I have tried in Lenovo 3000 N200 notebook, and lspci sees the
> device. But when I tried on ThinkPad X201/X230 (flashed with coreboot,
> so the wifi-card whitelist in original BIOS cannot be the problem
> here), the card won't show on lspci. I have a different ath10k card
> (half sized, from another notebook), and this card works.
> Is it really possible that some support needs to be directly in BIOS
> (coreboot in this case) for this card to appear on lspci on X230? Or
> can the reason be that, for example, the MiniPCI-e WLAN slot on
> X201/X230 is somehow special and cannot handle this module?
> I am perplexed a little as to what should there be in the bios, since
> there is nothing special in u-boot nor in Linux kernel of the Turris
> Omnia router.
> I have also been thinking about creating a ExpressCard-to-MiniPCI-e
> reduction (this can be totally passive, I found out). Is it possible
> that the card will be recognized through such a reduction in the
> ExpressCard slot on the ThinkPads?
> Thank you.
> Marek
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