New ATX Power Supply for AMD Athlon

  wint 16:09 11 Jan 04
Locked

Hi,

Are power supplies different for AMD and Pentium motherboards?

I have an AMD Athlon (with Soltek mother board). My old PS now has a very noisy fan so I bought a new one.

After installing it, it wouldn't work but I have found (in small print) that it says "Pentium 4 board support".

Everything appears to start up, POST, HD spools up and bios identifies components (Floppy, HD & DVDR) but it won't boot either from HD, Floppy or CD.

Reinstalled the old PS and all is fine (except the noise!). Checked that 5v is appearing from the connectors.

There are a lot of things I don't know about PCs, is this another one or is the fault elsewhere?

  DieSse 16:14 11 Jan 04

No, they're not different - except in that there are some extra connectors for P4 boards that you may not need to use.

Suspect the new PSU is faulty or of too low a capacity.

  R4 16:48 11 Jan 04

You Need a Min of 300W for your system but it is best to get a good 400/500W PSU to ensure adequete power for the Athlon as they are quite power hungry. As DieSse said the P4 is the one that requires the extra


You should be able to see your 'Power Status' in one of the BIOS screens.

  wint 16:54 11 Jan 04

The old one is a 300W.

I thought, as I have more USB devices and an extra HD that I'd take advantage and get a 400W.

Yes, there are extra connectors and, yes I can see Power Status in the BIOS.

Thanks for the help.

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