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PSU units.

Discussion in 'Computer Components' started by Techno Freak, Oct 11, 2004.

  1. Techno Freak

    Techno Freak
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    Hello,

    I have a 4 or 5 year old PC that has completely died. I think it is the PSU.

    The PSU is an odd size and a replacement will not fit in the case.

    I have an older PC lying around that I know works, I was going to swap all of the newer bits into the old case.....but.....

    The PSU connecter on the newer PSU is different to the old one. Would this be AT v's ATX?

    If so, does anyone know a way of wiring the old PSU to the new motherboard?

    Is it simply a case of chopping all the wires off each motherboard connector and matching the colours like for like from the older PSU onto the newer MoBo connector?

    Thanks....
     
  2. KraGorn

    KraGorn
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    I really wouldn't rely on colour-coding, I'm not at all sure they're 'standard' .. you're almost certainly right about it being AT rather than ATX. Moreover, I think there's a BIG difference in that ATX systems are powered-on via a power switch connected to the mobo and detected by a trickle current coming off the PSU, whereas AT PSUs had no such power-control .. I don't know whether an ATX board would be happy without this or not.

    How is the dead one an 'odd size', how does it differ from normal ATX PSUs?
     
  3. Techno Freak

    Techno Freak
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    It is smaller than a standard ATX replacement, I could probably cobble it in somehow but wanted to be sure that is was the PSU before buying a replacement.

    Thanks.
     
  4. Techno Freak

    Techno Freak
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    OK, it is definatly the PSU.

    I tried a new one in it and that worked - but was way too big.

    Need to find a cheap, small PSU now.

    Thanks.
     
  5. KraGorn

    KraGorn
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    I think this is the first time I've seen mention of a non-standard ATX PSU, as opposed to the small units in micro-ATX boxes.
     

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