On Sunday 03 April 2005 6:03 am, you wrote:
> Is there a way to tell if it is the power supply vs the
> motherboard?
>
> Power is coming on, all fans are spinning, but there is no POST, no
> "boot up beep".
>
> Thanks again
If you have access to a voltmeter you could check the CPU voltage !
But take great care around the CPU PSU, there is over a hundred amps
available there !!! You should see +5v on the input, +3.3v on the
intermediate stage and around +1.5volts on the output. On some m/b
there is no +5V and you only get the 3.3v and 1.5v on the output.
The exact output voltage will depend upon the particular processor.
All the other voltages should be within 5% or better, of nominal.
--
Best Regards:
Derrick.
Pontefract Linux Users Group.
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