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Can a Power supply give a constant 13.5 v ?

post #1 of 9
Thread Starter 
Hi,

Can a decent (or not so decent) PSU put out much more than 12v +/-5% or so?. (I.E. enough V. to do a slow over volt corruption). My mobo went dark (trust me…no advice needed here thanks, its dead) and I just want make sure I’m not going to RMA my board just to F___ up another one,

My PSU is showing 13.5 v. on a cheapo volt meter.. I guess my question is could a PSU possibly put out that kind of constant voltage. Or is it more likely that my meter is flakey.

Thanx Croak

P.S. When it Gig P965 Ds3 croaked it was not under any strain…that its dead is not in question
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post #2 of 9
I don't think so. Constant??
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post #3 of 9
I would not trust that PSU with another board.
What PSU, can you try another multi-meter?
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post #4 of 9
i don't see why not. i'd definitely throw it away before putting it on my new mobo.
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post #5 of 9
What kind of power supply is it? It does sound to me like your power supply is probably giving out too much voltage. I have no idea what is considered a SAFE voltage....but that's what it sounds like to me. Take it to a local PC shop and have them put a power supply tester on it. Maybe that'll help?
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post #6 of 9
Thread Starter 
THanks All

I call it generic but officially it is a "Zumax" 550w ATX12 ver. 2. I bought it off of Newegg where it had a ton of rave reviews. I'ts physicaly very solid and appears to be well made.

I'm going to make sure my DMM is calibrated right, it has shown flakyness, always wrote it of to bad conections...

Thanks againn,

Croak
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Rat-rig
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post #7 of 9
did i fry it when you first started up the system or over time?
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by BLKKROW View Post
did i fry it when you first started up the system or over time?
Good question,

No, everything was huming along just fine for 6 months. Than it started to get intermittent shutdowns over the course of a week. Than one day no post period. Everything still powers up (fans, drives, NB, etc) but it wont post. Narrowed it down to the board and most likely the bios. Never any smoklllllllke or smell.

So I guess there all question is; did run at12 v’ those six months than flip to 13.5 an crap the board, or, did it always run at 13.5 and the damage was just cumulative, or, Am I just getting faulty readings?

Thanx Croak
Rat-rig
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cheaper Generic 550w moded $12 kluge cheap 
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cardboard 
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Rat-rig
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Hard DriveOptical DriveOSMonitor
WD 670x2 Light-on cd.dvd bla bla XP dark sp3 samsung 20.1 
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cheaper Generic 550w moded $12 kluge cheap 
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cardboard 
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post #9 of 9
Buy a reliable multimeter.
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