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Upgrading the PSU - Shuttle SN25P

PsychoZA

n00b
Joined
May 20, 2006
Messages
3
Greetings,

I've been running a Shuttle SN25P for a couple months now and all has been great. Now I'm looking at upgrading my X800XT to a X1900XT. Before I purchased the card I decided to test my friends card. Unfortunately there seems to be a power issue. I get blue screens when performing intense hdd, cpu and gpu operations (for some reason the 3DMark installation is very intense and crashed every time).

Specs:
Athlon FX-55 (Clawhammer)
2x512MB PC4400 Corsair
2x250GB Seagate 7200.9 (RAID0)
1x300GB Seagate 7200.8 (Wasn't even plugged in while testing)
NEC 3520A (Neither was this)

Now, I've been looking at the power spec sheets and I think I can get a standard ATX PSU to fit in the case. I just need some extra info on the power pins.

pinlayout-shuttle.jpg
pinlayout-atx.jpg


If Shuttle have labled their pins correctly, thats a lot of sensing voltages and probably why the PSU is still hot even when the machine is turned off over night. Are they really necessary? Would the standard 12V pins from an ATX psu work? Am I correct in assuming the PS_ON- is active low on the Shuttle PSU as in the ATX spec?

I don't want to spend money and get an external PSU, it totally defeats the purpose of a SFF system imo.

Thanks.
 
I have used more than that in my sn25p system, i used to have an x1900xt in it, Basically i had
X2 4400+ @ x2 4800+
X1900xt @ X1900XTX speed with both outputs used
2 Gig Corsair XMS DDR 400 overclocked
1 x 10000rpm Raptor Drive
1 x 7200rpm Maxtor 160gig drive
In the shuttles usb ports using the shuttles power i had:
Belkin bluetooth 2, PDA Phone, Wireless Mouse, NW-a3000 walkman all using shuttles PSU

Maybe 3 hard drives would be too much for it, but if you werent even using the 3rd then i feel my system would strain the psu more than yours did yet i didnt have any problems in 3d mark or any other intense apps running along side each other ie burning a dvd whilst gaming or gaming whilst encoding.
 
My raid definitely had something to do with it I think. After the crash it wouldn't detect my hard drives. I had to completely power down and restart the system for them to appear. I'm going to be buying the card from overseas so I don't want to leave anything up to fate. Plus having a 600W Shuttle would be sexy.
 
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