Non ATX PSU with an ATX Motherboard?

  kjrider 14:47 18 Feb 2004

Just a quick one.

My ATX PSU has given up the ghost. Is it OK to use an older non ATX PSU with an ATX motherboard, if I change over the plugs/wiring?

I know the ATX PSU is turned on through the motherboard. I was wondering if using a separate 240v switch for the PSU would cause any probs.

Helpful suggestions please.

  GlobalPC 14:49 18 Feb 2004

Check your voltages. Older AT voltages are different. I wouldn't risk it!


  Indigo 1 15:51 18 Feb 2004

I agree it's a bit risky but heres a bit of info that might be useful especially table 3.3 click here

get new ATX PSU's cheap now, i mean under a £10.

Look on

  JerryJay 16:16 18 Feb 2004

I agree with Pilch from, you better off with new one. Invest more to get a better and quiet one even.

  kjrider 17:27 18 Feb 2004

Thanks for the info - & the web page.

Might get a new ATX one, but I have got a ncice 450w PSU doing nothing at present.



  Rayuk 19:07 18 Feb 2004

Sell it and put the money towards a quality atx one

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