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