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i7 920 Default Voltage question...

A

Arklight

Gawd
Joined
Oct 11, 2004
Messages
831
Hello all,

Before I bought my i7 920 I read that the default voltage is 1.2, however, I checked CPUZ and my default voltage (at Auto) is at 1.056. Do I need to set it at 1.2 manually or should I just leave it alone?

I am not oc'ing yet and I have the Speedstep and other stuff "Enabled". My processor is running at 2.8ghz.

Should it be defaulting to 1.2 or since it is set to "Auto" are my readings normal?

Thanks!

*EDIT* I suppose this is normal since when I run Orthos it shows 1.25 in CPUZ. Am I correct in this assumption?
 
speedstep plays with voltage as well as multiplier to minimize power consumption.
 
I turned off speedstep and it reports 1.080, still not 1.2.

Do I have to set it manually or should I just not mess with it?
 
The P6T "auto" vCPU isn't actually the CPU's default. It picks the voltage on its own, trying to "intelligently" overclock. Sadly it doesn't do a very good job. The answer to your question is yes, set the vCPU manually.

I noticed this when I was overclocking, checked CPU-Z, and saw that my CPU was actually running at 1.41v instead of 1.20v. I wasn't aware that it undervolted too, but it's pretty sweet that your 920 is stable at stock undervolted by so much.
 
schizo said:
The P6T "auto" vCPU isn't actually the CPU's default. It picks the voltage on its own, trying to "intelligently" overclock. Sadly it doesn't do a very good job. The answer to your question is yes, set the vCPU manually.

I noticed this when I was overclocking, checked CPU-Z, and saw that my CPU was actually running at 1.41v instead of 1.20v. I wasn't aware that it undervolted too, but it's pretty sweet that your 920 is stable at stock undervolted by so much.
Click to expand...

Yeah, I oc'd it to 3.1 ghz and it was stable at 1.08v. I was sort of wierded out by it. I thought something was wrong. lol

*EDIT* Ok, I oc'd to 3.25 ghz and now CPUZ is reporting 1.24 solid. That should be ok.
 
my 920 on the msi platinum board drinks 1.19v max loaded at 3.4ghz. when i first started overclocking, the board would adjust voltages on its own. it seems like these asus boards do the same. op should try locking down voltages to prevent unneeded heat output. might be able to find a higher max overclock that way, too.
 
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