Unrealeased X570D4U-2L2T BIOS Now Supports the 5900xt

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louie1961

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May 15, 2023
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Now I'm curious whether other xt variants will work.
I run a Ryzen 7 5800XT in my X570D4U (the plan, non 2L2T version) and it is properly recognized and runs well.I am on Bios 1.5 for that board ( ComboAm4 V2 AGESA PI 1.2.0.7 )
 

Chudinheimer

New Member
Jun 30, 2026
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I run a Ryzen 7 5800XT in my X570D4U (the plan, non 2L2T version) and it is properly recognized and runs well.I am on Bios 1.5 for that board ( ComboAm4 V2 AGESA PI 1.2.0.7 )
At least the 5800xt is slightly overclocked whereas a core bump will definitely require a bios with the necessary microcode.
 

TLN

Active Member
Feb 26, 2016
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Well it's good we're keeping asrock on their feet.
Well, 5900xt didn't boot after updates. Back to original CPU.

Both updates were applied (BIOS/BMC). Mobo start spinning, but no reaction on screen. Turns off after a while. BMC was unable to read CPU in System info (might need a proper boot to populate, which didn't happen).
Back on old CPU: BMC picks up CPU and Microcode in use.
I run a Ryzen 7 5800XT in my X570D4U (the plan, non 2L2T version) and it is properly recognized and runs well.I am on Bios 1.5 for that board ( ComboAm4 V2 AGESA PI 1.2.0.7 )
System show 1.2.0.11 AGESA. I might do another shot at it later.
Bit sad, snagged last 5900xt on sale in Microcenter.
 

TrevorH

Active Member
Oct 25, 2024
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AMD AGESA 1.2.0.7 seems to be the one that added support for the 5900XT in about 2022.
 

Chudinheimer

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Jun 30, 2026
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Well, 5900xt didn't boot after updates. Back to original CPU.
Love how the update with a older Agesa release has a more updated cpu id table than a update with the newest agesa release :rolleyes:
 
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RolloZ170

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Apr 24, 2016
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germany
He's probably reading this forum, firmware was uploaded to Beta section yesterday (July 1st):
the question stays: do you go the risk of beta or use the last official BIOS 2.50 from 10/21/2022 with all the bugs and vulnerabilities found since left in.
 

TrevorH

Active Member
Oct 25, 2024
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Agesa 1.2.0.7 came out in 2022. The 5900xt came out in July 2024.
I looked on the cpu support list for my X570 board and it says that support for 5900XT was added in BIOS 4403 which is dated 2022/05/31 and uses AGESA 1.2.0.7. Apparently they were thinking ahead.
 

Chudinheimer

New Member
Jun 30, 2026
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I looked on the cpu support list for my X570 board and it says that support for 5900XT was added in BIOS 4403 which is dated 2022/05/31 and uses AGESA 1.2.0.7. Apparently they were thinking ahead.
Consumer boards might be more flexible posting with a cpu it doesn't fully recognize even if it means not using the other 4 cores or running at lower clock speeds. Server hardware on the otherhand has much stricter vendor validation, hence why TLN couldn't post with Agesa 1.2.0.11.
 
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Chudinheimer

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Jun 30, 2026
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the question stays: do you go the risk of beta or use the last official BIOS 2.50 from 10/21/2022 with all the bugs and vulnerabilities found since left in.
If you're not using the 5900xt I'd honestly get firmware with the latest agesa version.
 

Chudinheimer

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Jun 30, 2026
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Never thought the 5900xt would be such a odd ball cpu to work with before getting one on sale for $299 CAD.
 

TLN

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Feb 26, 2016
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the question stays: do you go the risk of beta or use the last official BIOS 2.50 from 10/21/2022 with all the bugs and vulnerabilities found since left in.
For homelab? Risk the beta of course.
I figured out what was the issue: I ran my old CPU with Pico PSU that comes with 4 wires: fits 8-pin CPU power connector right in the middle. Worked with Ryzen 2400 but apparently doesn't work with 5900XT. May be 8-pin requireoement is hardcoded somewhere, may be it senses 105W CPU and refuses to boot, IDK.
Swapped PSU and off we go: All PBO settings are present. CPU run fairly cool (unlike 9850x3d next to it). Will play with it tomorrow.
 
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