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  1. #1

    G75vx Motherboard Replacement

    The motherboard on my G75vx crapped the bed and the warranty is gone. I looked everywhere but can't find a replacement motherboard. On the other hand, I've vw motherboards everywhere. Could I put a vw motherboard in it?

  2. #2
    ROG Guru: Green Belt Array Dreamonic PC Specs
    Dreamonic PC Specs
    Laptop (Model)ASUS GX800VH-XS79K
    MotherboardASUS GX800VHK (Intel CM238/IDA154) w/Custom BIOS
    ProcessorIntel Core i7-7820HK @ 4.8Ghz (+150mV) FCBGA 1440
    Memory (part number)64GB (PC4-22400) @ 18-18-18-38-53 (76.D305G.D060B)
    Graphics Card #1NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    Graphics Card #2NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    MonitorASUS PG348Q 34" 3440x1440 @ 100Hz w/G-SYNC (mDP-to-DP)
    Storage #13x Samsung 512GB NVMe SSD RAID0 (S316NY0HA00959)
    CPU CoolerASUS GX800VHK Water Cooling Dock
    CaseASUS GX800VHK Chassis
    Power SupplyASUS 2x 330W Power Adapter (AC 100~240V, 50/60Hz, 16.9A/19.5V)
    Keyboard ASUS ROG Claymore
    Mouse ASUS ROG Spatha
    Headset ASUS STRIX 7.1 Gaming Headset
    Mouse Pad ASUS ROG Whetstone
    OS Windows 10 Pro x64 / Arch Linux w/KDE Plasma
    Network RouterAsus ROG Rapture GT-AX11000 + GT-AC5300
    Accessory #1 Kensington 4 Port USB 3.0 Hub (K33978WW)
    Dreamonic's Avatar
    Join Date
    Dec 2012

    Yes but there's more to it than that.

    This is slightly different from doing the 670MX upgrade on a VW, since you have no 660M/670M to preflash with. Simply replacing a VX motherboard with a VW motherboard and still using the 670MX will result in a black screen. There is no 670MX vBIOS present in the VW BIOS.

    This means I'll need to modify the G75VW.BIN file instead to support the 670MX which can then be called via EZ-Flash, which will force flash it automatically and reboot with display working again.

    After that, you just use modified drivers and you are set!

  3. #3
    ROG Guru: White Belt Array
    Join Date
    Feb 2013

    I am personally bummed out by that there are no Asus 670MX's on Ebay :P
    rig: Impact VII / 4790K / Crucial Ballistix SP 16GB 1600Mhz/ 256GB 850 Pro
    Corsair AX760 / H105 AIO Watercooling / Bitfenix Prodigy
    laptop: G75VW 3630QM / 670m /16GB RAM / 256GB 840 Pro + 750gb/ BD drive
    Gaming OC for 670m 750/1750

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