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Thread: changed bios and now no go




  1. #1
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    Default changed bios and now no go

    I have an old MB. Its a GA-7ZX.

    i stupidly changed the sdram speed from 100 to 133 in the bios which was the wrong thing to do . now i cant get back in to set it back to 100

    Can it be fixed


    its a 7ZX-1(VIA KT133E) so it doesnt have JP21

    Thanks

  2. #2
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    Default Re: changed bios and now no go

    Easy Clear cmos
    http://china.giga-byte.com/FileList/...al_7zx51_e.pdf

    Be sure you unplug the power chord before moving jumper from pins 1-2 to pins 2-3 wait 30 seconds place jumper back to 1-2 Plug it back in. Be sure it is unplugged through this process. If process for some reason does not work remove battery and repeat process. After this process is performed you will need to setup the functions in your bios again and adjust the clock.

    By artdrivers at 2009-06-27
    Last edited by artdrivers; 06-27-2009 at 09:20 PM.
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  3. #3
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    Default Re: changed bios and now no go

    My MB is version 1 and only has the place where the jumpers go but no posts to attach jumpers to.

  4. #4
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    Default Re: changed bios and now no go

    OK even better just touch the lower to spots the little metal contacts where the pin would be with a screw driver. You may want to remove the battery, Please make sure it is unplugged through the process.
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  5. #5
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    Default Re: changed bios and now no go

    Read message properly and could do this with bit of wire wile machine is unplugged and battery is out.

    Will give it a go tomorrow. need sleep

  6. #6
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    Default Re: changed bios and now no go

    Ok I have had a good sleep.I have tried disconnecting the power and taking out the battery and shorting out what would be 2 and 3 pins on what would be JP3 and it wont go. Any otheer ideas please.

  7. #7
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    Default Re: changed bios and now no go

    You may need to leave the battery out for a while to clear the CMOS. Sounds like shorting the contacts didn't work, otherwise you should have booted at default settings. Time needed with the battery out could be anywhere from 1 hour to over night, I'm not sure as I've never needed to do it myself. Shame you didn't remove the battery before your nap. Oh well, it's a good excuse to have another nap while you wait.
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  8. #8
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    Default Re: changed bios and now no go

    I assume that eventually the bios will clear if i leave it long enough.

  9. #9
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    Default Re: changed bios and now no go

    You also may need to reseat the cpu while the battery is out. Take the cpu out and put it back in. I have got dead P.O.S.T.'s to work several times by doing this.
    Last edited by artdrivers; 06-28-2009 at 08:06 PM.
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    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
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    Gigabyte GA-MA78GM-S2H rev.1.1 F11
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    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: changed bios and now no go

    I would leave the battery out for at least 20 minutes, with the PSU unplugged and drained (Press Power Button for 1 minute with PSU Unplugged). It may very well take longer than 20 minutes though, but normally that is enough with the PSU Drained and unplugged.

    If that does not help please remove both sticks of ram and try to start the machine, it will fail. Then put back only one stick of ram and try to start it and see if it resets. You may also try a combination of the above with the battery not installed.
    Last edited by Lsdmeasap; 06-29-2009 at 12:55 AM.

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