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GPU Link speed issue


ergot
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Hello,

Just noticed that my GPU link speed is 2.5GT/s on PCI-e 16X which it supposed to be 8GT/s!

I installed second GPU all was recognize with no issues but both card had the same link speed...`I removed one card the speed stay the same.

I have installed NVME SSD on my 3rd PCI-e and it gave me the correct link speed of 8GT/s on X4 PCI-e...

this is really strange...is that BIOS settings or OS ?

Also when installing 2 GPU in BIOS the MB shows me only one as you can see in the attached picture...I'm confused...

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Screen Shot 2018-07-22 at 19.49.19.png

Screen Shot 2018-07-22 at 20.36.03.png

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Fast update,

I read that PCI link speed is dynamic so it will update when GPU is in load (running game or others), so I run some encoding and after that I ran LSPCI and the link speed is now 5GT/s ...is that mean I'm all good?

Why I cannot see 8GT/s?

why the NVME always show 8GT/s?

Screen Shot 2018-07-22 at 21.15.13.png

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