Re: [gentoo-user] {OT} Power supply or motherboard dead?

[Stroller]

On 20 Mar 2008, at 19:42, Marzan, Richard non Unisys wrote:

> Get a volt meter and measure the voltage. Red is 5+ volts yellow is
> 12+
> volts; if you're getting less than that or way too much than those
> values then the component needs to be replaced.

I believe that the PSU has to be under load for the voltage to test  
correctly.

You can get testers for ATX PSUs for about £20, I noticed recently,  
and a search suggests they're much cheaper on eBay (see items  
190207549145, 280209639310)

> Try also swapping the
> memory modules out one by one; interchanging them and see if that
> makes
> it boot up. Some, not all, BIOS programs need some ram to boot the
> machine.

Grant,

It's not clear from your other posts whether you've tried this. If  
I'm testing a motherboard I _always_ want to have RAM in it - testing  
without doesn't prove anything (to my satisfaction).

> It could also be a broken power switch. If that is the case,
> try to ground the pwr pin to a grnd(black) pin with a flat head screw
> driver on the MB.

Forgot to mention this in my previous post - this is usually one of  
the first things I try, because it's so easy to do.

Stroller.
-- 
gentoo-user@l.g.o mailing list