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[ARTICLE · art-100433] src=forum.level1techs.com ↗ pub= topic=ai-infrastructure verified=true sentiment=· neutral

Someone needs to figure out how to adapt MI250 GPUs to PCIe

AMD's MI250 GPU, based on the MI200 (M) ASIC, can be adapted to PCIe using an OAM card, as demonstrated by a user who successfully enumerated the adapter with AMD's amdfwflash tool after setting the iomem=relaxed kernel parameter. The tool detected the GPU at BDF 0000:01:00.0 with DID 7408 and SPIROM SST26VF016B, indicating the hardware is functional in a PCIe slot.

read1 min views1 publishedAug 17, 2026

Yeah that’s correct. I do see it in lspci

.

Interesting development worth noting for others: On my box with the PCIe OAM card, I can now enumerate the adapter with amdfwflash --list-devices

after setting iomem=relaxed

in my cmdline. (Thank you deepseek)

[sbin]# ./amdfwflash --list-devices
AMD Firmware Flash Tool Version 2.0.701.460-Public. Copyright© 2022-2025 Advanced Micro Devices, Inc. All rights reserved.

Detecting AMD GPU/APU. Please wait...
                                                                            IFWI      RMFW
                                                                            Update    Update
SNo BDF           DID ASIC      SPIROM          Size Test BIOS P/N          Available Available 
___ ____________ ____ _________ ___________ ________ ____ _________________ _________ _________
  0 0000:01:00.0 7408 MI200 (M) SST26VF016B 0x200000 Pass 113-D6520100-100         No        No
source & further reading
forum.level1techs.com — original article What is sweetspot for local llms? What is my best option for adding a second GPU? Google illegally retains customer data
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