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Motherboards bad check sum

Discussion in 'Hardware' started by heir flick, 30 Sep 2009.

  1. heir flick

    heir flick Active Member

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    a few times on boot up i have a bad check sum error and the bios has reset to default and the time and date has changed, im thinking the motherboard battery is on the way out, anyone have any other idea
     
  2. butter100fly

    butter100fly Rebelstar Raider

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    I'm not sure a flat battery would give you a checksum error - its a bios error right?

    What is the MOBO and what date does the BIOS default to?
     
  3. heir flick

    heir flick Active Member

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    its a asus p5e, had it for about two years with no problems untill now, cant remember the date it reset itself to
     
  4. capnPedro

    capnPedro Hacker. Maker. Engineer.

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    Sounds like the battery (CR2032) to me.
     
  5. heir flick

    heir flick Active Member

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    will give the battery a go, cheap enough
     
  6. mm vr

    mm vr The cheesecake is a lie

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    The battery powers the CMOS (where the BIOS settings and info about the hardware is stored). If it fails, the CMOS will lose it's info, and the integrity check won't succeed (wrong checksum).
     

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