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Is my power supply on the way out?

N

nismotigerwvu

Golden Member
Ok, so a friend of mine helped me with a build on this rig, its starting to age a bit at this point, but is running a gigabyte based nforce2 mobo (athlon xp 2600+) and with all my drives hooked up i will turn the thing on and it will stay on for almost 2 secs and then boom, powers off, i have to hard off on the power supply unplugits from the wall and then plug it back in to get it be ready aagain. So if i disconnect my dvd-rom (which is from an build based on a k6, so it may in fact be wasted) and then it works fine in terms of function. So i log into windows and load up speedfan....holy smokes, my cpu is running at 52 degress C (with an upgraded heatsink/fan combo not the oem one) so if that isn;t odd enough i start looking through the vitals, vcore looks right, 3.3volt is fine, +5V is at 4.3 (odd), +12v is at 12.42 (ok that isn;t so bad), -12V is at -9.15V (WTF?), -5V is at -4.5, and even as i feel it running by hand (and hear it) my system fan is reading at 0 (cpu fan is reporting right though).....call for alarm or do i have something set wrong somewhere?😕
 
If I recall correctly, +/- 5% is the standard acceptable limit for deviation on each respective rail.

So, on the +5V rail, the minimum desired throughput would be 4.75. Your -5V rail also seems to be beyond the limit.

You might want to try swapping in a dependable PSU to see if the problems persist. best of luck!
 
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