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12V is reading 10.64V - Page 3

post #21 of 29
When I test the rails and stability of a power supply I not only have it on, I also have prime95 running to get the system close to load. With Core2 I run TAT at 100% load and test with a digital multimeter.
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post #22 of 29
Well thats Purely a Misread. If it as that your system pretty much wont turn on lol.

If you wish to get accurate measurements its best to use a Multimeter. However if you must use a Program i would generally use the utilities provided with your motherboard.
post #23 of 29
Thread Starter 
OK to recap I shoul have the PC on and grab one of the MOLEX connectors and test it? I am going to Home Depot to pick one up now.
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post #24 of 29
Quote:
Originally Posted by reberto View Post
NEVER use software it monitor voltages other than your CPU & memory voltages. Use a multimeter.
Yes. If there is any doubt, forget monitoring software and get the data directly from the source using a multimeter.
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post #25 of 29
Quote:
Originally Posted by Ropey View Post
When I test the rails and stability of a power supply I not only have it on, I also have prime95 running to get the system close to load. With Core2 I run TAT at 100% load and test with a digital multimeter.
I concur.
I also run a SATA power cable out the case and keep it closed up as much as possible. As Ropey said, that heats things up and PS is effected by heat!
Use the below for the pinouts. If you don't have a spare SATA cable you can check the 12 and 5v rails off the common 4 pin moldex.
See pg. 34
http://www.formfactors.org/developer...20PSDG2.01.pdf
    
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post #26 of 29
Thread Starter 
Just measured it with my new Multimeter!!!

12V is at 12.16V
5V is at 5.18V
3.3 V (don't know how to measure this yet.)

1.) What else can be measured with this neat little tool?


2.) What specifically is powered by 12V/5V/ and 3.3V? Basically what does this all mean?
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post #27 of 29
Quote:
Originally Posted by apopilot View Post
Just measured it with my new Multimeter!!!

12V is at 12.16V
5V is at 5.18V
3.3 V (don't know how to measure this yet.)

1.) What else can be measured with this neat little tool?


2.) What specifically is powered by 12V/5V/ and 3.3V? Basically what does this all mean?
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post #28 of 29
Thread Starter 
I just did. Ouch! J/K!
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post #29 of 29
Quote:
Originally Posted by apopilot View Post
Just measured it with my new Multimeter!!!

12V is at 12.16V
5V is at 5.18V
3.3 V (don't know how to measure this yet.)

1.) What else can be measured with this neat little tool?


2.) What specifically is powered by 12V/5V/ and 3.3V? Basically what does this all mean?
Looks perfect. 12v is getting used for more and more stuff lately. It is used for all fans, video card external power, hard drives, cd drives, and much more. 5V is used for HD/DVD/MOBO/USB. 3.3 is used for mobo and sometimes SATA hard drives.
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