n00b Q6600 OC'ing questions

ada///M

New Member
I actually posted this in my build thread but I think this is a better place for this.

I've been working on my processor speeds and I'm kind of lost. Im sure some of this is going to sound pretty stupid but here goes.

I initially started at 333 x 9 and just started bumping it up slowly up to 356(3200). I've ran it like this for a couple of days with no problems whatsoever. I ran the default prime95 for about 40 minutes and got a max temp of 48 on one of the cores. This is with the VCore still set at the default, or "auto". After looking at the voltages though, they seem to get pretty high, CPUID recorded a max Vcore of 1.34 during the stress test.

So today, for no reason other than curiosity I tried to bump the cpu up to 361 (3250MHz) with the vcore still left on auto. I ran a prime 95 for about 30 minutes and only got to 49C but again the voltages were bumping around 1.3 . But I figure wth, its still only 49C so I bump it up to 366(3300) again at auto and after about 30 minutes the temp was 52C but then after it finished it's first test and switched to the second the temps rose faster than usual up to 55C so I stopped and saw that the max Vcore was 1.36

Ok so now I go back to BIOS and change the vcore from auto for the first time. Since I noticed before that the vcore was stable just under 1.3 for most of the test, I set it to the nearest setting under that, 1.294. Now I run another prime95 at 366(3300) and it looks great, not getting above 49C for about 20 minutes. Then my computer suddenly restarted. The Vcore that CPUZ was showing during this whole test was only 1.232 .

What is going on?! If CPUZ is accurate then I was seeing as much as 1.34 on auto but only 1.232 when I had it set at 1.294? Before I go screwing anything up, what do you guys think I should do?


-thanks
 
Vdroop is the cause of the drop. Bios is @ 1.35v yet CPUZ only shows 1.312v so its normal.

Few things that will help stabilize your overclock would be disable CE1 and Disable Vdroop so that the board decides vs the chip.
 
Vdroop is the cause of the drop. Bios is @ 1.35v yet CPUZ only shows 1.312v so its normal.

Few things that will help stabilize your overclock would be disable CE1 and Disable Vdroop so that the board decides vs the chip.


Are you saying that I should figure out what it wants using cpuz without Vdroop then try and get it back to that with vdroop on, or just leave it off? CPUZ is accurate either way, correct?

I ran at 3250 on auto Vcore playing crysis for a few hours yesterday and my max temp was 46. Is that too warm for just playing a game? Seems ok to me I guess... Never really checked the max temps under normal use at 3200. I'll need to run 3dmark a few more times to see if I can quantify any gains...

thanks!
 
I think I've figured this out, or at least I'd like to think I did. I've ditched the auto setting but I don't see anything about Vdroop or CE1. Basically I played guess and check a few times to get the voltage where I want it using CPUZ even though it does not coincide directly with the settings in the BIOS. I clocked and tortured for more than a couple of hours before I settled on 9x375 with my Vcore at 1.34375 in BOIS, ranging from 1.30 at startup down to 1.23 during some of the harsher tests in a torture test. The max temps after a 2 hour torture were 55-54-52-52. I understand this to be alright. It doesn't get that hot during normal use, but after about 2 hours of gaming I did see 48C.

I was having a bit of trouble getting the computer stable at anything over 375 though. Test would run for 20 min at 378 then I lost load on 1 of the cores. Went up another step with the Vcore and my computer restarted once too many and resorted back to stock clocks. Started stepping down from there and 375 is the highest setting that would last past 30 minutes of torture...


any thoughts? Again, this is my first time OCing but I think I'm happy with how it went. Next project is to figure out what I can do with my RAM!



-adam
 
So may be 375 x 9 is your TOP? It's perfectly fine for Q6600, and temps are good, I would just leave it there. When in summer you will have higher temps at home expect higher temps from CPU as well
 
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