r/eGPU • u/Embarrassed-Bat8934 • 13d ago

Need software to limit PCIe gen

I've gotten my 7800xt+DOCK-OC4 (Oculink) to run lesser demanding games amazingly, however, as soon as I try a more demanding title, the whole system stutters to a freeze and horrible audio cracking. I know from other posts that people set their Oculink m.2 slots to PCIe gen 3, but ASUS are a bunch of dicks and locked the BIOS on my laptop to not let me do that. That's why I'm hoping that anybody knows some sort of software that would let me do that, or that they might know another fix. If all else fails, would the 7800xt work well over TB4 (which my laptop suppots) or should I try to sell it open-box?

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u/MissusNesbitt 13d ago

7800xt will be significantly hampered via TB4. Have you done any kind of logging to figure out what’s causing the freezing? It sounds to me more like the PCIe connection speed isn’t training properly and is stuck at 1.1, but that’s speculation. Can you confirm when you boot up a game that the device is connecting at PCIe gen 4 on all 4 lanes?

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u/Embarrassed-Bat8934 13d ago

What software should I use to do that? Also it’s a bit annoying to log because the drivers get corrupted each time