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2600k voltage question

T

turdhat

Limp Gawd
Joined
Jul 29, 2004
Messages
161
Seems that I have to run 1.367v for stability at 4.6 and 4.7 fails even at 1.5v so WTF ?!?!. There was a report that a bios update caused the need for more cpu voltage at the same clock speeds. Is this voltage about on base on above. When I run PRime the voltage in cpu-z hits 1.401. Temps are not an issue as I have a hyper 212 and it does a great job. What am I mssing ? Pll overvolt is on. There are these min max watt settings and miutiplier settings per core in the bios that I dont see mention in any oc guides I have read so nu clue there. I read over and over to leave the intel speedstep and power crap on which I have done. Cpu idles at 1.6 but voltage does not drop. Vdropp is not an issue.

MSI p67 gd55 1.8b7 bios
4 gig ripjaws 9-9-9-24 at stock speed 1.54v
 
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Not sure about the MSI, but if you set a manual voltage it'll normally keep that voltage even at idle.

As for the speed issue, maybe you just got a bad chip. Double check that PLL overvoltage is turned on, and you can try upping the VCCSA and VCCIO voltages a tad, to see if that helps.
 
your problem is similar like me, man! i don't know whose fault, BIOS or processor chips. i bet in the future either each board manufacturer will release bios fix to fix this idle vcore overvoltage, or intel will release new stepping/revision of their second gen i7 processor.
 
cybersans said:
your problem is similar like me, man! i don't know whose fault, BIOS or processor chips. i bet in the future either each board manufacturer will release bios fix to fix this idle vcore overvoltage, or intel will release new stepping/revision of their second gen i7 processor.
Click to expand...

I don't think there is anything to fix. You are setting a manual voltage and it is applying that manual voltage. The board/BIOS is just following the directions it was given, which is to apply a fixed manual voltage. If you want idle voltages at idle clocks, you have to use offset.

As far as I can remember, setting a manual voltage has always applied that voltage at all times, even when idling. Frequency changes, but manual voltage does not, and has not.
 
i think you are not reading my previous properly.
i am not using manual voltage. i am using auto with offset
and still the idle voltage is more than 1v.

so the conclusions: many reviewer from hardware portal/website are liar! power saving my ass. can drop down to 0.6v my ass
:mad:
 
I couldn't tell you what from the information you give, but I think you're doing something wrong. I have the same board and same cpu as you and all I did to oc it was turn the multiplyer up to x45 in the bios and leave the vcore set to auto (which puts it at 1.3v at full load, totally stable). It downclocks itself to 1600MHz at idle and about .9v which is just fine with me (I dunno about .6v, I never saw that anywhere). Make sure you enable all the stuff under green power like Intel C State and C1E and EIST and Intel SVID mode instead of APS. Maybe you should stop calling people liars and research how to do it correctly?
 
cybersans said:
i think you are not reading my previous properly.
i am not using manual voltage. i am using auto with offset
and still the idle voltage is more than 1v.

so the conclusions: many reviewer from hardware portal/website are liar! power saving my ass. can drop down to 0.6v my ass
:mad:
Click to expand...

I don't recall any sites saying 0.6V, but every chip is different in any case, so just because a reviewer's chip does 0.6 at idle doesn't mean yours will. And really, you're pissed because it uses ~9W at idle?
 
i pissed because my previous i7-860 vcore dropped to 0.8v when system is not doing anything. but this i7-2600 still using 1.1v when downclocked to 1.6GHz :D
 
That's probably because you're in APS mode and not Intel SVID mode in the power settings if I had to guess.
 
update: after did some experiment, the voltage is high even though idle @ 1.6GHz when i set manual turbo boost more that x47 for single core & enable PLL overvolt. if i use less than 47, for example 46 or 45 and disable PLL overvolt, i managed to get 0.7-0.9v for vcore when idle @ 1.6GHz. :D

case closed!
 
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