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0.16-0.22V over on 12V = deadly?

A

AiricL

Junior Member
I put together a new computer few days ago and the 12V is reading any where from 12.16V to 12.22V on my motherboard hardware monitor. I'm wondering if I should ask for the PSU to be replaced.

So far my computer hasn't been stable so I'm wondering if that higher than normal voltage on the 12V could be the problem. My computer only seems to crash when doing stuff thats CPU, GPU, or hard drive intensive. Using internet and minor stuff, the computer is stable. So far it's crashing in games last few days. Two games I've tested is Total War: Rome and Final Fantasy XI. The computer would just jump to desktop once it got intense as if I did alt-tab, and the application doesn't show up on task bar any more after that.

I'm using a CoolerMaster 450watt PSU, athlon 64 3200, MSI Neo4, Albatron 6600GT, and currently an IDE hard drive. Was using SATA seagate 7200.9 hard drive but that was causing more weird issues even with NCQ off so put in an IDE hard drive.
 
PSU's can vary +/- 5% so you're fine there. plus i'm assuming you're not using a multi to test it, so software monitoring adds a little more fluctuation, ie it could be at 12 right now.
how are your temps? and are all your drivers up to date?
 
Yeah their all up to date. Temps: CPU: 35C System: 17C GPU: 48C. I didn't overclock it yet. I did have to adjust the timings for my ram. The normal setting left some of the times too fast for the ram to handle.
 
If your system's not stable, the first three things I'd check are:

1) is the memory getting enough voltage. What brand & model of RAM do you have, and what did you set the memory voltage to?

2) is the PSU a good-quality brand of PSU that can handle the computer's "mood swings." Coolermaster... mmmm.... not my first pick, FWIW.

3) is the memory set for some realistic timings. Try relaxing them a bit.
 
Thanks mechBgon. I was checking the memory pdf off of Corsair for memory voltage then I came across separate memory timings for intel and amd systems. 2-3-3-6 for intel and 2.5-3-3-6 for amd. I bought it from newegg and they only listed 2-3-3-6 as the memory timings so I set that timing according to newegg with an amd system without knowning it would not work.
 
It might very well work at either timing setting, it's just that some people buy extremely fancy memory and go on a hopeless quest to make it run at the advertised specs. You should probably look now at the memory voltage. If your board is defaulting to 2.5 volts and the memory runs best at 2.7 volts, then raising the memory voltage may be just the ticket 🙂
 
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