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Thread: Main BIOS Checksum Error




  1. #1
    uDraft's Avatar
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    Default Main BIOS Checksum Error

    Last week, my 6 month old computer has locked up while in sleep mode. The computer will not re-start until I hold the power switch for 5 seconds, then restart twice. When it initially does start, I get Main BIOS Checksum Error , it tries to reload the BIOS from HPA(?), fails, then reloads the BIOS from hdd, starting the computer.
    While the computer is running, everything is fine. problems only occur after sleep or shutdown. Do I have a bad Motherboard?

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    Last edited by uDraft; 07-05-2011 at 09:34 PM.

  2. #2
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    Default Re: Main BIOS Checksum Error

    Could try reflashi.g BIOS but untick the keep dmi pool data before flash,then load optimized defaults,
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  3. #3
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    Default Re: Main BIOS Checksum Error

    Quote Originally Posted by wazza300 View Post
    Could try reflashi.g BIOS but untick the keep dmi pool data before flash,then load optimized defaults,
    So, before I reflash, I should try the DMI data setting and load BIOS optimized defaults?
    If I flash, can I use @bios?

    thanks for the quick response

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    Default Re: Main BIOS Checksum Error

    I would flash with qflash,its much safer,if @bios crashes it will brick the mb,you will see a tiny box just before flashing,untick it and then flash
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    Default Re: Main BIOS Checksum Error

    Quote Originally Posted by wazza300 View Post
    I would flash with qflash,its much safer,if @bios crashes it will brick the mb,you will see a tiny box just before flashing,untick it and then flash
    XXXXXXXXX I got it to flash version FF using QFlash XXXXXXXXXXX
    Now to see if it helps........

    Well, first test, it sleeps and it wakes (tho a little slow, 3 seconds) now the next Question:
    Why did this happen?
    Because I used @bios last time?
    or?
    I had loaded Gigabytes latest Intel SATA drivers the night before, but no other changes, BIOS was last flashed last month.

    An extra question - does Suspend work better than Sleep with this board/Win764/SSD?
    Last edited by uDraft; 06-29-2011 at 05:19 AM.

  6. #6
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    Default Re: Main BIOS Checksum Error

    When you flashed the bios.

    1. Did you selected to not keep dmi pool data(default is enabled)?
    2. After flash On first boot up; Did you enter bios load optimized defaults. Press F10 to save and reboot.
    3. Renter bios and only set things needed to boot. I.E. set memory to specs with voltage. also set HDD to AHCI or RAID. Press F10 let the system boot into windows.

    That is the correct way to flash so the system can build all the correct information for the DMI data pool.

    You can flash with @bios same rules apply. You have to remove the check next to keep dmi data pool. If you use @bios as you will have to use it when q-flash will not work.

    If you did not follow the correct steps in flashing the bios, I suggest you reflash the bios again. This time following those steps.

    Another thing that you may want to do is flash the back up bios so the Main bios and the Back up bios have the save version installed. To do that; At start up hold down the "ALT" key + "F12" key.
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  7. #7
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    Default Re: Main BIOS Checksum Error

    I dont mean to Hijack the thread but i ran into a similar problem
    I'm trying to flash my Older EX58-UD5 to f13t but it says BIOS ID Error and i have to press esc.While i was in the Bios i checked an saw that my backup bios was F7 so i flashed it to the Main F12 an now both are insync so to speak.Now if i try to flash it to F13t/j or even F12 it still says Bios ID Error just as before
    So i guess my question is what are my options now and what does this mean?is it that my Bios is kinda corrupted or summ?`
    OS - 10.6.4:64:ABLN1.1.9
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  8. #8
    Chike is offline Senior Member
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    Default Re: Main BIOS Checksum Error

    Quote Originally Posted by Jinnster View Post
    So i guess my question is what are my options now and what does this mean?is it that my Bios is kinda corrupted or summ?`
    Your options, as it apears in red at GB website are
    * Please use the latest @BIOS or FLASHSPI.EXE to reflash BIOS

  9. #9
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    Default Re: Main BIOS Checksum Error

    Thanks for your Reply but that link is Not for the Board that i'm trying to flash.Read my above post,it's in Bold.Since you pointed it out that's what i must use,what up with statements everywhere saying Dont use @Bios?
    OS - 10.6.4:64:ABLN1.1.9
    OS - Windows 7 Ultimate.64 WD320
    Case - Cooler Master Sniper
    Psu - Corsair 650 Hx
    Mobo - Gigabyte GA-X58A-UD5 (rev 1) Bios F6
    Cpu - Core i7 930 Stock 2.80 @.960v
    Cpu Cooler - Prolimatech Meghalem Rev.B (1 Fan)
    GPU - Sapphire 4870 1002591GL
    Ram - 3x2 GB DDR3 1600 Corsair Diminator TR3X3G1600C8D
    Hd - 1x WD 640, 1x320 WD, 1x 1TB WD
    LCD - Dell SP2309W

  10. #10
    Chike is offline Senior Member
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    Default Re: Main BIOS Checksum Error

    There was another option there besides @BIOS. Those BIOSs are of a different size so the q-flash won't flash them until updated.
    Check that your main and backup BIOS are for your board, and try d/l the F12 or F13j for your board from GB website.

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