I have a computer with a supermicro motherboard that beeps, like a truck backing

I have a computer with a supermicro motherboard that beeps, like a truck backing up, and turns off spontaneously. I haven't touched the bios at all. It has been beeping for a minute now, however, this week it has just started shutting down on it's on in the middle of my work. Is this a motherbaord problem, a power supply problem or what? Any suggestions?
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  1. Welcome to Tom's Forum! :)

    Well at least you have some humor! Q - What model of SuperMicro? Q - Is this a new build? Q - Do you have a dedicated GPU?

    I need to look-up the beep codes.
  2. P8 Series Motherboard (MBD-P8SAA-0)
    Intel Pentium 4 LGA775 Processor
    PCI-Express X16
    Dual Channel DDRII 533
    800MHz
  3. ref - http://www.supermicro.com/products/motherboard/P4/925/P8SAA.cfm

    Manual only lists:
    1 long beep Memory Modules Errors
    1 long beep+2 short beeps VGA Error

    Typical Phoenix tones http://www.bioscentral.com/beepcodes/phoenixbeep.htm

    The way you described the tones would normally suggest a PSU problem. However, the Manual suggests RAM. On another computer create a Memtest bootable CD/DVD {ISO/zip} - http://www.memtest.org/ and IF possible attempt to boot from the CD/DVD - beforehand try to re-seat and/or clean the DIMM contacts. Older components 'can' oxidize - pencil eraser or Isopropyl alcohol to clean the RAM.
  4. Thank you for the help.
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