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    New ROGer Array iamjustindude PC Specs
    iamjustindude PC Specs
    MotherboardROG STRIX B550-F Gaming
    ProcessorAMD Ryzen 5 3600
    Memory (part number)DDR4 8 GB Single Channel
    Graphics Card #1Zotac RTX 3070 Amp Holo
    Graphics Card #22x Zotac GTX 1660
    Graphics Card #34x PNY Gtx 1660 Supers
    Power SupplyEVGA SuperNOVA 1000W + 700W

    Join Date
    Feb 2021

    Question Adding M2 PCI-e slots to ROG STRIX B550-F to allow 7 GPUs; Won't Post

    I have an Asus ROG STRIX B550-F Gaming AM4 Socket USB 3.2 AMD Motherboard. I have a crypto mining rig setup on the board and currently have two M.2 PCI-e adaptors added. This makes it have 7 PCI-e in total.

    I currently have 6 GPUs working on the board. 5 GPU's through the standard PCI-e slots on the board and 1 through one of the M.2 PCI-e adaptors. When I plug up the 7the board will not post. Any suggestions or BIOS settings that need to be adjusted to allow the 7th GPU to work?

    I tested the adapters and they both work so it is not a faulty adapter. 6 GPUs will work if 4 PCI-e slots and the two M.2 PCI-e adaptors are connected. No matter what when I add the seventh GPU it won't post.

    Bios Version: 1004 (8/13/2020)
    AMD Ryzen 5 3600
    OS: Windows 10
    Ram: DDR4 8 GB Single Channel
    PSU: EVGA 1000W + 700W
    M.2 adaptors I am using -->

    4x PNY Gtx 1660 Supers
    1x Zotac RTX 3070 Amp Holo
    2x Zotac GTX 1660 (These are always the last two GPUs I try adding. #6 will work but # 7 does not)
    Last edited by iamjustindude; 02-19-2021 at 01:30 AM.

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