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Thread: GV-N760OC-4GD - downgrade to non UEFI BIOS




  1. #1
    Join Date
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    Default GV-N760OC-4GD - downgrade to non UEFI BIOS

    Hello,

    I'm stuck with this card I just bought as my PC (HP H9-1000CS with Motherboard IPISB-CH2 (Chicago)), which doesn't have an UEFI enabled BIOS. As it is a HP branded mother board, I don't have a way to upgrade it.
    Please, is there any way to downgrade BIOS o this card to non UEFI?

    Thanks for your help!
    Petr
    Attached Images Attached Images GV-N760OC-4GD - downgrade to non UEFI BIOS-imag2021-jpg 
    EX58-UD5 (rev.1) BIOS: F12 // PSU: Seasonic SS-650HT // i7 920 (D0) // 3x2GB - OCZ3P1333LV6GK (@ 7-7-7-20/1333MHz) // SATAII_0 WD1001FALS (1TB) // HP Nvidia NVS Quadro 290 @ PCIEX16_1 // HS: Thermalright AXP-140 // Cooling: 2x Noctua NF-P14 // Widnows 7 Ultimate x64

  2. #2
    Teddybehr's Avatar
    Teddybehr is offline Member
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    Default Re: GV-N760OC-4GD - downgrade to non UEFI BIOS

    Quote Originally Posted by itchy View Post
    Hello,

    I'm stuck with this card I just bought as my PC (HP H9-1000CS with Motherboard IPISB-CH2 (Chicago)), which doesn't have an UEFI enabled BIOS. As it is a HP branded mother board, I don't have a way to upgrade it.
    Please, is there any way to downgrade BIOS o this card to non UEFI?

    Thanks for your help!
    Petr
    Strange. This card has only a legacy (non-uefi) vBIOS AFAIK.
    Check with GPU-Z
    If not, back up you vBIOS and go to techpowerup vga bios collection. At your own risk. Don't brick your graphic card.
    VGA Bios Collection: Gigabyte GTX 760 4096 MB | techPowerUp
    regards
    Board: GA-Z77X-UD3H Rev 1.0 BIOS: 20e modded CPU: Intel i5-3570k Memory: Samsung MV-3V4G3D/US 4X4GB @1866Mhz 9-9-9-24 1T
    GPU: EVGA GTX 980 FTW SSD: Samsung 950 Pro NVMe M.2 256 GB (Addonics 4x card interface) , Intel 730 240 GB, Samsung EVO 840 240 GB X2,
    16 TB iSCSI 2XRAID0 2XRAID1 (Hitachi HDD, LUN) QNAP TS-469L PSU: Seasonic X-1250 KB:Log. G110 Mouse: Log. G502
    OSes: Win 8.1 x64 UEFI/Win 7 x64 UEFI Dual Boot VM: K Linux, OSX Leopard, Win 10, Win XP, HP Integrity (rem), Whonix Other: HP Proliant server
    Other interface: Pangolin QM2000.NET Lasers controller

  3. #3
    Join Date
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    Default Re: GV-N760OC-4GD - downgrade to non UEFI BIOS

    Hi Tedybehr,

    Thats very surprising, as the internet is full of issues with compatibility due to UEFI.
    If indeed you are right, i can only think of that the PSU may be at its stretch, but similair cards have worked in other PCs with same PSU.
    I will work trhough your suggestions, may take a while, but fingers crossed.

    Thank you,
    Petr
    EX58-UD5 (rev.1) BIOS: F12 // PSU: Seasonic SS-650HT // i7 920 (D0) // 3x2GB - OCZ3P1333LV6GK (@ 7-7-7-20/1333MHz) // SATAII_0 WD1001FALS (1TB) // HP Nvidia NVS Quadro 290 @ PCIEX16_1 // HS: Thermalright AXP-140 // Cooling: 2x Noctua NF-P14 // Widnows 7 Ultimate x64

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