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RX5700XT stability issues

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ReddishRat View Drop Down
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    Posted: 10 Jul 2019 at 8:20pm
I've received my new RX5700XT yesterday but I'm running into issues that which makes the card unusable. Hope you have some help or tips.

Current specs:
X370 Gaming K4 (bios P5.40)
Ryzen 7 3700X
16GB RAM (corsair dominator)

I've been using a Vega 64 before and that one runs stable with above specs. To prepare for the new card I first installed the new 19.7.1 drivers. That all went well and the Vega card was running stable. As soon as I inserted the new card, it was recognized by the driver and it installed. Then the issues happened. After a couple of minutes the GFX card switched off/on and the PC froze. After reset, boot loop, then finally back in windows for a few minutes, freeze.

So then I used DDU to completely clean the AMD drivers. Landed perfectly in the desktop with the default windows drivers. At that stage also when having a lot of stuff on the screen, same issues as mentioned earlier. Only then I could end up with a BSOD mentioning the pcie-express bus issues which could make sense without drivers. Then I tried installing the new 19.7.1. driver and during install (at 49%) same issues. Also tried resetting the bios, disable secure boot (run with CSM), but no luck. I'm now at a stage that the card is completely unusable for me.

At this stage I can think of the following things:
  • BIOS issue
  • AMD driver issue
  • Broken card? But then maybe I also should have issues in bios or using default windows drivers?


What do you think?
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ReddishRat View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ReddishRat Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jul 2019 at 6:08am
Guys, after some researching and tweaking I found the issue. It is a bios issue in the latest asrock bios for AGESA Combo-AM4 1.0.0.1 (to support ryzen 3000). Not sure if it's on all mobos, but at least reported on X370 taichi, gaming K4 en professional.

When using a PCIE4 card and setting the PCIE-express bios setting to AUTO, the bios doesn't properly report to the card it needs to use GEN3. It tries to work with GEN4 resulting into WHEA errors and system freezes.

The downside is that I can only make a choice between GEN1 or GEN2 in the PCIE bios settings. Setting it to GEN2 results in a stable PC and running gfx card but limits the bandwith compared to GEN3.

I'm going to raise a support ticket so asrock is aware to fix this in the next bios update.
X370 Gaming K4 - Ryzen 7 37000X - 16GB 3600 Dominator - RX5700XT - Lot of Corsair iCue bling
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