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Unlocking Zotac Gtx465 into Gtx470

Discussion in 'NVIDIA' started by oflisinan, Nov 10, 2012.

  1. oflisinan New Member

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  2. AthlonX2

    AthlonX2 HyperVtX™

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    maybe its not unlockable,i thought it was just a few pny cards that had the ability...alas I could be wrong here
     
  3. qubit

    qubit Overclocked quantum bit

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    Try a BIOS from TPU's BIOS collection, perhaps?

    Be aware that flashing a graphics card can brick it unrecoverably, before you try another flash.
     
  4. TC-man

    TC-man

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    Hi,

    What did you do exactly? Just flashing the bios on your GTX 465? Are you sure you have an unlockable GTX 465? If I remember it correctly there are some steps that needed to be done first before you can turn the card into a GTX 470. I am not sure, but I thought that erasing the EEPROM entirely (via some command from nvflash) before flashing the modified bios is one of the requirements, and that's a very dangerous thing to do, since if something goes wrong during the bios flash then the videocard will be bricked/dead.
     
  5. newtekie1

    newtekie1 Semi-Retired Folder

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    Correct, you have to wipe the EEPROM completely before reflashing.

    So before you do the flash you have to run nvflash --eraseeeprom.

    Then when you flash the bios you have to use nvflash -4 -5 -6 gtx470.rom.
     
    Crunching for Team TPU 50 Million points folded for TPU
  6. oflisinan New Member

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    I dont have very much hardware information. Just I read somethings about unlocking in somewhere. Such as, if it has 10 memory, it can be unlocked. So I am not sure exactly.

    I tried below.

    1. download bios gtx470 and boot system.
    2. nvflash --eraseeeprom
    3. nvflash -4 -5 -6 gtx470.rom
    4. restart computer

    While I was doing these, I didnt meet any problem.
     

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