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rushhour
Adept I

7900xtx PCIe 4 @ 2x 4.0 - solved

Good day, 

can be deleted. I put everything together again, updated BIOS with a different USB-Stick and now everything is fine and runs as it should. 

Spoiler

 

my 7900xtx sits in a ASrock Phantom Gaming ITX board. Even if the BIOS settings say PCIe 4 x16 my Card seems to use only x2, as shown in Adrenaline and GPU-Z. 
I ran a couple of benchmarks, but no change so far. 

Is the error software-related and the graphics card actually uses all 16 lanes or is there really a problem here?
Does anyone had a similar problem?

What i did: 
- ran benchmarks
- DDU
- updated BIOS
- unpluged and replugged the card to the risercable
- reinstalled windows
- inplace upgrade of windows

PC Setup:

Case: Meshlicious

Driver: 23.3.2

OS: Windows 11 22H2, Build 22621.1413

CPU: AMD Ryzen 7 5800x 8-Core Processor

GPU: AMD 7900 XTX

MB: ASRock 550 phantom gaming itx

RAM: F4-3200C14D-16GTZKW

Monitor: LG E9 @4k, 60hz or Dell S2721DGF x2

 

 

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1 Reply
Matt_AMD
Community Manager

Glad you fixed your issue, I'll lock this. 

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