7900 XTX Hardware/Bios Bug?

Hardware Hub GPU
1

Hello!

It appears I have a bug that I cannot seem to fix and curious if anyone else has seen it and or found a fix.
Searching online I have not seen any comments on this issue.

Essentially I bought a 7900 XTX (Asrock Reference) It was one of the ok ones, works fine at stock except for one specific issue.

The card contains 4 ports on the back. An HDMI, 2 DP, and one USB-C with alt mode. I also happen to use 4 monitors which this gpu should officially support. The problem is with the USB-C port.

If I turn off the PC, remove power and let it completely discharge for 10 seconds, Then plug power in and turn the system on. I get 4 displays out. If I then shut down or sleep the system for 2 minutes and then restart or wake, half the displays stop working. If I reboot, I either get USB-C display and one DP out, with the other DP and HDMI not working, or no USB-C with the rest of the displays working. If I keep rebooting, I will inevitably end up with the USB-C not working always. Even if it’s the only display plugged in.

The only way to reset this is to power off, unplug, discharge, and then restart.

The reason why I suspect this is a hardware or bios issue is due to trying both Windows 10 and Linux and seeing the same behavior. On Windows I am using the standard latest bios while on Linux, the AMD Pro driver.

Anyone seen the same issue at all?

2

Sounds like a hardware issue, as far as I’m aware they have not released a new bios for any of the cards and any custom BIOS would almost certainly have been tested for this.

Might be worth sending a message to AMD and Asrock to see if they have any insight, the latter should also be able to help with a return.

1 Like
3

I doubt if a return is possible. Technically the device “works”, despite the papercuts

4

I heavily disagree that it works, if the spec says it can handle 4 screens it should handle 4 screens.

5

You should probably prepare for the shop/store arguing that it works on your “first” boot.

The thing is, since this is a halo product meant for only a few production runs, it seems that Asrock did not test your exact use case in mind. At any rate, I do agree with you that it is not fit for your purpose and their advertised specification but expect the assertion that it works, just in an annoying manner.

6

It’s a bit better in the UK, but you should try, especially with Asrock

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