Keep the PCI cable short. ISTR PCIE is only specified for 300mm and that
includes the tracks on the boards. I had a similar adapter that broke
out 1x mini pcie to 4xPCIE (using a PCIE multiplexer chip). It came with
a 400mm USB3 cable and I had some reliability issues until I used a
200mm cable. This particular setup was pushing that poor 1x lane to it's
limits as I had 4x NVME drives hung off it. The Mesa cards use a tiny
fraction of the available bandwidth so they should be a lot more tolerant.
Having said that, Linus Tech Tips managed to get PCIE to go 3 metres
though it was a little flaky.
Les
On 14/09/2022 13:54, Ed wrote:
That's what I have been looking for. The major reason I wanted to know
is I want to convert the adapter card to external, the reason being
not wanting to have to reroute cables and such when upgrading
computers. I have a Pico system which uses a single small cable and
another that uses a Mesa 7i80HD using Cat5 cable. Much easier to
maneuver around than multiple 50wide ribbon cables on my 5i20's.
Thanks, Ed.
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