this post was submitted on 08 Apr 2024
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Selfhosted

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[–] lightrush@lemmy.ca 6 points 7 months ago* (last edited 7 months ago) (4 children)

You want ASMedia ASM1351 (heatsinked) or ASM235CM on the device side 🥹

This box has 4x ASM235CM and from the testing I've conducted over the last week it seems rock solid, so long as it's not connected to the Ryzen's built-in USB controller. It's been flawless on the B350 chipset's USB controller.

[–] lud@lemm.ee 4 points 7 months ago (3 children)

so long as it's not connected to the Ryzen's built-in USB controller.

Could you elaborate? Do you happen to have any theories as to why?

I have a zen 3 chip and while I'm not planning anything like this, I'm just curious.

[–] Septimaeus@infosec.pub 3 points 7 months ago (1 children)

I don’t know, but I’d guess the buffered chipset controller has more stability during certain power state transitions.

[–] lightrush@lemmy.ca 2 points 7 months ago* (last edited 7 months ago)

I think I've seen this hypothesis too and it makes sense to me.

If I'm building a new AMD system today, I'd look for a board that exposes more of the chipset-provided USB ports. Otherwise I'd budget for a high quality 4-port PCIe USB controller, if I'm planning to rely a lot on USB on that system.

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