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Wacky volts?? 12 on 5vrail, 5 on 12vrail???

post #1 of 16
Thread Starter 
Ok, so I was thinking of using a relatively new Antec Basiq 500w in my new rig, but when I open up HWMonitor (in the old rig, not my new one), the voltages are strange.

(Sempron cpu is not recognized, and I don't know what the temp1,2,3 are, but the voltages are what I care about here.)



Is this PSU dead? or am I getting software issues?

The computer seems to run fine like this (every once in a while with the nvidia driver updates I get artifacting and glitches, but that might have been due to a soundblaster audigy that was not vista compatible, and I'm running win7)
post #2 of 16
You are having software issues. If you are worried you can check your voltage in BIOS to rule out programming problems. Even at that it will only be helpful to a point. To get an accurate measure of your voltages you will need to use a multimeter. But if it reads fine in BIOS I wouldn't worry too much about it.
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i7 monsta
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post #3 of 16
Thread Starter 
I am now officially worried about the psu (and not the software). Check out speedfan's readings... THey're diferent than HWMonitor, but still not good.

post #4 of 16
Quote:
Originally Posted by jclark511 View Post
I am now officially worried about the psu (and not the software). Check out speedfan's readings... THey're diferent than HWMonitor, but still not good.
Doesn't matter. If those voltages were even close to being accurate, your system could not POST or run.

Go into the BIOS and check there but even those values are always off. To make it worse, a faulty sensor or old BIOS may skew values even more. You need a multimeter to actually get accurate readings.
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Once again...
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post #5 of 16
Thread Starter 
This mobo does not give all those voltages, and its a crappy mobo - I can't even get CPU temps in windows (I have another thread for that).

The problem with multimeter is (in my experience) that sometimes a PSU will test fine, but under *load* it gets weaker. That might be a wattage thing, though, not voltage...
post #6 of 16
1. Software voltage readings can be pretty inaccurate. Test with a multimeter as DuckieHo prescribed:

http://www.driverheaven.net/guides/testingPSU/

2. Don't worry about the -5v. Modern PSUs don't even have one. Since ATX v2.1 the -5v requirement has been removed.
    
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post #7 of 16
Thread Starter 
which ones *should* I worry about then? (and there are NO psu readings in the BIOS. The only ones I get are vcore 1.31 and vdimm 1.89 but those are not even ajustable)
post #8 of 16
Thread Starter 
Will try that multimeter test when I can get my hands on one. Thanks!
post #9 of 16
Quote:
Originally Posted by jclark511 View Post
This mobo does not give all those voltages, and its a crappy mobo - I can't even get CPU temps in windows (I have another thread for that).

The problem with multimeter is (in my experience) that sometimes a PSU will test fine, but under *load* it gets weaker. That might be a wattage thing, though, not voltage...
Wait a second.... if your mobo doesn't have that info in the BIOS.... then those apps aren't reading the values from anything. They are misreading non-information.

A multimeter reads voltage. If a system acts up under load and the multimeter reads good values and you have isolated the PSU as the source of the problem, then the issue is voltage ripple or spikes/drops which are too fast for the multimeter to sample. If it was a current issue, the system would shutdown.
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Once again...
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Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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post #10 of 16
Thread Starter 
it seems to be stable. I orthosed at 2.7 for a few hours with no problem. I was getting blue screens and such for a while, but I think it was my sound card so I ripped it out and I haven't had problems since... You think its fine then? Maybe I'll test it on a different computer...
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