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PC Graphics

Pornbuild
Journeyman III

R9 Fury X works only x8

Hello everyone. Recently acquired fury's - full working and stability. However ... one day, I noticed one peculiarity
namely:
- for some reason, the video card works on the motherboard only on the x8 bus, while the pci-express itself is always stable 3.0. as it should be according to the specifications. But for some reason the lines were suddenly cut down, before that there was a gtx 780ti, it worked quietly in x16 mode.
- the video card officially supports directx 12.1, but for some reason only version 12 is available.
I tried to rearrange the card in the lower slot, the result is the same, but now only in x4!
What is it - a bug, a faulty motherboard? I cleaned the video card slot with an eraser, and rearranged, and removed the firewood through the DDU and installed it again - all to no avail, as if the motherboard works only in x8 lines!
Before that, there was gtx 780ti, it worked quietly in x16 mode.
I don’t know how to solve the problem, maybe you have some ideas? Here is a screenshot with gpu-z, in the load as we see only x8

Скрин карточки.jpg

UPDATE: The BIOS on the motherboard works in the CMS mode - when you try to change it to UEFI, it writes at the beginning of the launch "there is no gop support detected in this card". What does it mean?

i5 11400// MSI z590 A-pro// R9 Fury X// Gskill 8x2 3200 Mhz CL16// Samsung 970 Evo plus 500 Gb//WD Blue 1 TB//
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2 Replies
Nikols_80
Adept II

МОЖЕТ НЕ ХВАТАЕТ МОЩНОСТИ БЛОКА ПИТАНИЯ!

 

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У меня БП на 750 ватт голдовый, спокойно терпел зеленый утюг в лице GTX 780ti со схожим, а может даже большим, энергопотреблением - так что думаю дело не в блоке.

i5 11400// MSI z590 A-pro// R9 Fury X// Gskill 8x2 3200 Mhz CL16// Samsung 970 Evo plus 500 Gb//WD Blue 1 TB//
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