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Thread: Flash Backup BIOS EP45-DS3R




  1. #1
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    Default Flash Backup BIOS EP45-DS3R

    In the manual it says that it is read only. Don't know if it is protected by hardware or software. I asked Gigabyte, didn't get response. Anyone know if it is possible to flash backup bios? Does it ever get updated when you flash the main?
    Gigabyte EP45-DS3R | E8500 3.16Ghz | 4GB Corsair XMS 1066 | Sapphire HD4850 675/993 | 2x Hitachi 250GB RAID 0 | Bios F11e | Cooler Master CM690

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    Default Re: Flash Backup BIOS EP45-DS3R

    Anybody?
    Gigabyte EP45-DS3R | E8500 3.16Ghz | 4GB Corsair XMS 1066 | Sapphire HD4850 675/993 | 2x Hitachi 250GB RAID 0 | Bios F11e | Cooler Master CM690

  3. #3
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    Default Re: Flash Backup BIOS EP45-DS3R

    As instruction booklet says, Backup BIOS is read-only for the safety's sake.

    Thus, there is an option to save a backup BIOS on HDD. Always, the primary target when mobo is looking for Backup BIOS when needing to restore is HDD, because a newer version is there. If fails, it restores from Backup BIOS.

    At very least, Backup BIOS from HDD saved my ass several times, when i was testing F11b, which couldn't overclock a single Mhz. So far i only have seen restoring from HDD, so i have no clue which version is saved on backup BIOS chip.

    Finally, forget such possibility, and stick with F11e, which is stable.

    Good luck on whatever you're trying to do. Best regards.

  4. #4
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    Default Re: Flash Backup BIOS EP45-DS3R

    the newer bios's flashes the backup bios too,but older ones only flash the main
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    Default Re: Flash Backup BIOS EP45-DS3R

    Quote Originally Posted by wazza300 View Post
    the newer bios's flashes the backup bios too,but older ones only flash the main
    I disagree. If power fails when writing new bios, what happens? Cry oceans of tears after seeing mobo becoming a brick in a couple of seconds not having any way to restore it?

  6. #6
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    Default Re: Flash Backup BIOS EP45-DS3R

    i think it flashes main first then boots and re-starts to flash backup it doesnt flash the two at the same time
    Gigabyte z77x UP4-TH F11c Modded Bios
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  7. #7
    Chike is offline Senior Member
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    Default Re: Flash Backup BIOS EP45-DS3R

    Quote Originally Posted by wazza300 View Post
    i think it flashes main first then boots and re-starts to flash backup it doesnt flash the two at the same time
    I think I saw mine doing that last time I flashed, after second post screen, before or after updating DMI pool, don't remember.

  8. #8
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    Default Re: Flash Backup BIOS EP45-DS3R

    The first F10 BIOS did flash the backup. The backup is flashed any time there are changes to the QFlash tool or other fundamental changes which make the old backup BIOS useless.

    There is zero risk from power failure. Here is the sequence of backup flashing:

    QFlash Flashes main BIOS > Reboot > POST up to Loading DMI Pool DATA (so there is now already a valid non corrupt new BIOS in the main chip) > Main BIOS replicates itself to backup BIOS > Boot to windows.

    Note that in this sequence you must wait until a complete boot to windows has occured before setting your OC o. ANY change to BIOS settings other than opt. defaults before the BIOS is replicated to the backup caused a boot failure for me until I allowed a full boot.
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