0251 - CMOS Checksum Bad. Every time I boot my K8WE dual Opteron.

Discussion in 'Tyan' started by jfizer, Sep 10, 2006.

  1. jfizer

    jfizer Guest

    I have a new dual opteron system based on a Tyan K8WE (S2895)
    motherboard. Every time its powered on I get the error "0251 - CMOS
    Checksum Bad. Default Configuration Loaded". I've reset the bios,
    reflashed the firmware, reseated everything, changed power supplies,
    run memory testers. Only thing I've not done is pull the motherboard
    out and run it on an antistatic mat to check for shorts in the case.
    Tyan tech support seems to be non existant, sending them email is like
    shouting into a black hole.

    So.... anyone have any thoughts?
    jfizer, Sep 10, 2006
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  2. jfizer

    ah Guest

    Dunno (using a S2877, here).

    Try over at http://www.k8we.com/ or
    ah, Sep 11, 2006
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  3. Sounds to me like you need a new battery.

    Martin Shoemaker, Sep 11, 2006
  4. jfizer

    jfizer Guest

    It is a new battery, tested it with a volt meter and everything.

    I've moved the motherboard from the case. Running it on an antistatic
    mat with just the video card (7800GTX PCI-E) and a SATA hard drive it
    only gives the 0251 error about one time in ten. However if I hook up a
    SATA DVD-R/W it goes back to erroring out every time the system is
    powered on.

    I'm stumped. I can live without the SATA DVD-R/W, but I once I setup my
    SCSI RAID I cant be needing to reset my CMOS configuration even once in
    ten boots.

    Tyan has not yet responded with anything other then a canned auto
    response. Going on week three now. Is Tyan no longer a good company?
    jfizer, Sep 12, 2006
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