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Will a shuttle PSU work in a non-shuttle mATX system ??

mattress

Junior Member
I'll be pulling my hair out by the time you read this

I'm in the process of building a small form factor computer to be used as an HTPC. I'm going for the smallest setup possible. I have riser cards and everything--I'm determined 😉

Anyway, I decided on going with a shuttle power supply to power my mATX board with an athlonxp 2100+, 256mb, 9800 pro, and a hdd.

I got a PC40 250watt shuttle power supply used off of ebay. It worked fine at first, then slowly started deteriorating to the point it wouldn't boot anymore. So I sent it in for RMA.

I finally get a brand new one back, over a month later. I plug the sucker in, hook everything up ... and it does the same thing the other one was doing. The computer would boot up, get to the windows loading screen, the screen would go black, but everything continued to load normally. I figured it might be a driver issue, so I was going to reformat the HDD and reinstall the OS. Unfortunatly I didn't get that far. The PSU will now only stay on for like 3 seconds before shutting back off.

I thought maybe there was too much load, so I started taking things out one by one like the sound card, tv tuner, riser, etc....

I put the PSU in another computer and it does the same thing--turns on for at most 3 seconds and shuts back off...

What gives??

I've gone as far as ripping an old 90watt PSU out of an old gateway computer that was intended to power a p2 333mhz processor. It powers everything fine (until I try to watch a dvd or something 😉)

and yes I've tested all the other components one by one in another computer, ram is fine, cpu is fine, video is fine, etc...
 
bump: any ideas?

I've fired off an email to shuttle tech support, but got a generic "our PSU's are designed for our units, and if there are any compatibility issues, we cannot support blah blah blah"

Thanks...
 
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