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  1. #1
    ROG Enthusiast Array GEEKCPA PC Specs
    GEEKCPA PC Specs
    MotherboardRampage VI Extreme
    Processori9 7900X
    Memory (part number)Corsair Vengeance RGB 64 GB
    Graphics Card #1Strix 1080Ti OC
    Graphics Card #2Strix 1080Ti OC
    Storage #1Intel PCIe X4 Optane 900P
    Storage #2Samsung 960 Pro X2
    CPU CoolerEKWB Mono block
    CaseTT View 71TG
    Power SupplyEVGA 1300 G2
    OS Windows 10 64-bit
    GEEKCPA's Avatar
    Join Date
    Oct 2017

    CMOS battery type for Rampage 6 Extreme?

    I started a build about 4-5 years ago with a 7900X on a Rampage VI Extreme, but I let it sit without use for several years. Now I think my CMOS battery is dead as I get a prompt to press F1 and reset AHCI or RAID in the BIOS. I get this prompt only if I have previously turned off the power to the MB, it boots fine if I leave the power to the MB on at the PSU switch.

    What type of battery is used in the Rampage 6? I've scoured the manual and find nothing specifying which battery to use. Worst part of all this is I have to drain the coolant from my system and disconnect some fitting to remove the video cards to access the battery under the 2nd video card. (two 1080Ti's is SLI)

    Any help you can give me is appreciated.

  2. #2
    ROG Member Array Jnanislore PC Specs
    Jnanislore PC Specs
    Laptop (Model)N/A
    MotherboardRog Strix B550-F Gaming
    ProcessorAMD 3600X
    Memory (part number)Crucial Ballistix DDR4 3600 16 GB
    Graphics Card #1Radeon RX 460

    Join Date
    Oct 2022

    I'm not sure about CMOS replacement as I've never needed one, but I'd take the one you have to a computer repair shop and ask for advice. They'll probably just sell you a replacement if they have one, and if not tell you what you need, free of charge.

  3. #3
    Moderator Array world PC Specs
    world PC Specs
    MotherboardASUS PRIME X470-PRO
    ProcessorRyzen 3600x
    Graphics Card #1ASUS ROG Strix 1080 ti
    Sound CardAune T1 DAC
    CPU CoolerThermaltake Water 2.0
    CaseJonsbo U4
    Power SupplyCooler Master V1200
    Mouse Asus ROG Chakram X
    Headset Sennheiser HD598

    Join Date
    Feb 2017

    Most motherboards use a CR2032 battery for CMOS battery, and it should say right on the battery itself what type of button battery it is.

    Looks like it's a CR2032 for Rampage VI.!
    Last edited by world; 10-27-2022 at 02:26 AM.

  4. #4
    ROG Enthusiast Array
    Join Date
    Jul 2021

    It should be a CR2032 for just about any Motherboard ever built.

    And YES, if you are not going to use the motherboard, take out the battery or it will drain it keeping BIOS settings till the battery dies. They can last over 10 years if they are not in the board.

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