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[resolved] 12v rail a bit low

P

porbe

Junior Member
Running the following:
- DFI Ultra Infinity (new)
- AMD 2600+ Barton M @ 170x12 (new)
- 9700 Pro (old)
- 1gHz Generic ram (old)


I have replaced the psu three times:
- Antec trueBlue 480
- Ultra xConnect 500w (twice)


At idle:
- With the xConnect (both) my mb monitor reads 10.6 to 10.7 volts.
- With the Antec my mb monitor reads 10.3 to 10.5 volts.


Do you think it's the mb doing this? I've even put in an old Antec 350 watt psu just for the hell of it. Any DFI owners out there experience this?
 
Set the Barton to stock speeds with the most solid PSU that you have (I'd say the Antec TB480) and check the 12v rail. I'm curious as to if it is the processor that is pulling all the power from the 12v line. If not, then I would say it is your motherboard. I'd probably just find a PSU with adjustable pots (my FSP530-60GNA does) and set your 12v to whatever you want (12.1-12.3)
 
Hmm, does your BIOS have voltages listed too? I was getting low readings aswell (11.2-11.3) but I think it may have been the program I used to monitor the voltages, cause my BIOS reports 11.9-11.96, and everything runs fine anyway.. using an Antec Neopower 480w
 
Hmm, does your BIOS have voltages listed too? I was getting low readings aswell (11.2-11.3) but I think it may have been the program I used to monitor the voltages, cause my BIOS reports 11.9-11.96, and everything runs fine anyway.. using an Antec Neopower 480w
Click to expand...

Check your bios readings before getting too overly concerned. Software monitors from within windows have been known to misread temperature and voltage values. Your antec should be overkill for the system you described. Are you having instability issues? If not, trust the bios readings first.
 
Thanks for the replies.

It ends up that I'm just an idiot. I came from an old board and psu that didn't have that 4 pin connector for the cpu and when I hooked up all my new stuff I didn't bother plugging that in since I thought it was for P4 only. I didn't even notice that my DFI board had a connection for it. In any case after doing that my voltages are stable around 11.89. I'm finally able to get back to OCing.


Lesson Learned: Plug in the 4 pin power connector! =)

Thanks again for the help.


FYI - I found a terrific site for overclocking (speficially for DFI owners). DFI-Street

/edit - can't spell
 
That's a nice and easy resolution. However, my buddy has a 550W Antec on a ASUS A8V. He gets 11.5V - wth is that? Obviously everything is connected.
 
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