*Official Retail G0 Q6600 Overclocking Thread*

[justin_c]

wait, i have no problem with a proc passing 8 hrs of prime at 3.8ghz, but why do you insist everest is as good as an indicator of stability when it isnt? FUD.

[[XC] Synthetickiller]

Since this thread is about OCing, i'll ask a question.

For all you P5k Deluxe owners, I have a set up w/ crucial ballistix ddr2 800 ram (just so you know) and a q6600 G0. I can't get anythign past 3.7ghz stable. You can see my results a page or two back.

I has basically everything on auto other than the CPU voltage, ram speeds and timings. What should I be tightening down or changing to help with stability. Clearly auto is not working. I also have the other settings turned of that throttle the CPU etc....

I'm looking for 3.8ghz + stable. I'm fairly sure my set up can handle it considering I most likely don't have to up the voltage to the CPU to get to 3.8+.

[justin_c]

northbridge voltage.

[Supertim0r]

pwm/chipset cooling

[justin_c]

pwm/chipset cooling

Yes, this is very important for quad OCing.

[[XC] Synthetickiller]

I have active cooling, the antec spotcool fan, pushing air over the northbridge and ram. It works, at least I hope so. Some air is better than no air!

I will try to crank up the NB a little....

Geez, I'm such a n00b.

Edit:

I upped the NB to 1.7 from 1.55 v. I had no other options to up it to 1.6 or even 1.65. I don't like maxing out the NB chipset voltage wise.

I also loosened up the ram timings as well and set the FSB to 420x9. Ran maybe 1 or 2 test in prime95 and one thread failed.

I can't lower the voltage from 1.5000 for the CPU. 3.7 ghz won't stay stable.

Right now, I'm @ 412x9 (3708mhz) with my original settings and it just failed a prime95 again.

I'm honestly clueless as to why I can't go past 411x9. Maybe I just maxed out my G0?

[Omastar]

Windows stable, will test later.

1.5vcore
1.5v NB
3.45V cLOCKGEN (DEFAULT)
1.15v SB 1.05v
1.38v CPU VTT
2.25v RAM, DDR2-1088

[SpinCykle]

Omastar,

What are your room/ ambiet temps. Those Temps look fantastic, I have a similar WC set up and dont get nearly those temps. Nice OC!

[crossg]

Just did a couple of quick tests to see if my chip would boot above 3.6 and seems to have no problems. 3.8 @ 1.4850 Vcore and 4.0 @1.5500 Vcore. Just quick tests to see if it would clock that high. No stability tests just had to see.

@Synthetickiller Have you tried disabling the transaction booster and upping your PLL voltage 1.60, CPU reference voltage 0.63x, NB reference voltage to 0.67x, PCI frequency to 100. 1.7v for the North bridge is way to high IMO but I could be wrong. If you are running your Ram @1-1 @ 4-4-4-12 and 2.2v you shouldn't have to loosen the timings. Maybe you are at the chip limit but hopefully not. Good luck.

[eva2000]

LOVING it, EVA!...good ole boy "GripS" is probably having a conniption by now with you sporting this beautiful overclock....of course, he will write it off since it is on water...hehehe...good show!

LOL thanks

[fallwind]

I have active cooling, the antec spotcool fan, pushing air over the northbridge and ram. It works, at least I hope so. Some air is better than no air!

I will try to crank up the NB a little....

Geez, I'm such a n00b.

Edit:

I upped the NB to 1.7 from 1.55 v. I had no other options to up it to 1.6 or even 1.65. I don't like maxing out the NB chipset voltage wise.

I also loosened up the ram timings as well and set the FSB to 420x9. Ran maybe 1 or 2 test in prime95 and one thread failed.

I can't lower the voltage from 1.5000 for the CPU. 3.7 ghz won't stay stable.

Right now, I'm @ 412x9 (3708mhz) with my original settings and it just failed a prime95 again.

I'm honestly clueless as to why I can't go past 411x9. Maybe I just maxed out my G0?

See what your max FSB is with the 6x multiplier. I had a P5B Deluxe previously and 401 was the best it would do Prime stable with my QX6700. Thank goodness for unlocked multi's! P35 is where it's at for OC'ing quads!

[justin_c]

IMHO, no harm can be done by maxing out the volts just to test max OC. then, lower the volts step by step to see what is your lowest V/mhz.

[nugzo]

I'm honestly clueless as to why I can't go past 411x9. Maybe I just maxed out my G0?

Yes thats most likely the case. Why is that so hard to believe? You say you just cant get anything stable over 3700mhz. You say you are honestly cluless? I am honestly clueless why you would expect more. You are 1300mhz higher than default. Thats oustanding for a $275 quad. Am i not right? Buy 10 more and maybe you'll get one of the absolutely amazing chips that clock 3.8-4ghz. Or maybe it'll take 20 chips. I'm still trying. Out of 5 chips, 2 can hit 3700 stable. 2 can do 3400 max, and i dont know if thats stable. The fifth could only do 3200mhz. Please people remember that these are the $275 quads and not the $1200 ones. If you make it to 3ghz, you've saved yourself $1000.

[[XC] Synthetickiller]

In order...

Thanks crossg, those are a few of the settings I honestly did not no what to do with.

Fallwind, thats a good idea. It honestly did not cross my mind to figure out the max fsb since I can't get a good OC w/ a multiplier of 6 vs 9, but I should to test the FSB. THANKS.

Nugzo, my only reason thinking this is that I have nothing really pinned down in the bios. A few of the things crossg said might be the key to adding more stability and running say 3.75 - 3.8 ghz. The majority of guys posting incredibly high OC's (3.8ghz +) seem to have everything nailed down in the bios. Barely anything is on auto. Just my way of thinking. I can only test my hypothesis that nailing down the bios will help me get a few more mhz out of this cpu.

I understand where you are coming from. A lot of guys have had trouble getting past 3.2 or 3.6 ghz. I guess I am one of the luckier ones.

[nugzo]

In order...

Thanks crossg, those are a few of the settings I honestly did not no what to do with.

Fallwind, thats a good idea. It honestly did not cross my mind to figure out the max fsb since I can't get a good OC w/ a multiplier of 6 vs 9, but I should to test the FSB. THANKS.

Nugzo, my only reason thinking this is that I have nothing really pinned down in the bios. A few of the things crossg said might be the key to adding more stability and running say 3.75 - 3.8 ghz. The majority of guys posting incredibly high OC's (3.8ghz +) seem to have everything nailed down in the bios. Barely anything is on auto. Just my way of thinking. I can only test my hypothesis that nailing down the bios will help me get a few more mhz out of this cpu.

I understand where you are coming from. A lot of guys have had trouble getting past 3.2 or 3.6 ghz. I guess I am one of the luckier ones.

After re-reading my post, i may have come across like an azz. Sorry about that. Is this your first quad g0? If so i'm jealous. It took me 4 to get a good one. Good luck on 3.8+. As soon as i see some new batches that are doing well, i'll buy a couple more in hopes of a good one. 3600mhz was my goal. Now that i see some stable 4ghz on water, it has me itching again. I just cant stop. Is there a methadone clinic for Overclockers? I need help!

[moons_shadow]

Hey, I've got a quick question about picking out the right RAM for my q6600 build. It seems like more than a few people are getting >3.6Ghz speeds which means a >400 Fsb. But I'm also seeing a mix of DDR800/1000/1066. I'll be happy if I get something stable at 3.6-3.8 (That's about as extreme as I'm willing to go for now). So which speed ram would be the best. Do I need to go the extra mile and get (4x1 Gb) 1066 or should I save money by getting the (2x2 Gb)800? What do you guys think?

[eagle_]

With my G0 I can only get 3200 (@1.25v) stable.

Higher than that and it starts throttling (lowers multi to 6x automatically), even with low temps (using WC, temps are near 48º C full load on all cores at 3200). For example, at 3400 it runs for a minute or so at full speed but when it gets to mid 50's (coretemp & RT) it's starts throttling between multi 6 and 9.

HW used:
- Asus P5K vanilla (vdroop mod)
- 2x 1GB Team Elite DDR2-667
- LC Power 550w GP
- Ninja with TT2 fan (air)
- Eheim 1048 + Thermalright XWB-1 + 240 radiator & noctua NF-S12-1200 + 120 radiator + Scythe 1200

[[XC] Synthetickiller]

After re-reading my post, i may have come across like an azz. Sorry about that. Is this your first quad g0? If so i'm jealous. It took me 4 to get a good one. Good luck on 3.8+. As soon as i see some new batches that are doing well, i'll buy a couple more in hopes of a good one. 3600mhz was my goal. Now that i see some stable 4ghz on water, it has me itching again. I just cant stop. Is there a methadone clinic for Overclockers? I need help!

Don't worry about it. I haven't done any hardcore OCing since using jumpers on motherboards. Now thats old school! This is my first q6600 and probably my last unless I build ANOTHER computer in the future, but by then, I'll get a penryn.

I wish I had that much cash to buy a few q6600s to test, but since I'm a student, I honestly don't have the time/cash to do that.

I saw a lot of people getting more than 3.6 (more from my point of view that is) and figured I had a shot as well at closing the 4.0ghz gap.

In case I didn't mention, I'm OCing on water w/ a triple rad and only the CPU in the loop. At least heat isn't my enemy.

Oh, one other thing, my problem might lie in that I am trying to OC w/ 4 x 1 gig sticks instead of the usually 2. I've heard of problems due to this.

@ fallwind, I got 450x6 to post. Tried to be crazy and 475mhz failed. tried 460 and that failed too, even with 5-5-5-15. Do I need to up the voltage of the ram to support the higher mhz? Right now, I have 450x8 running prime stable for 20 mintues. I know thats not stable, but its a start. At least it didn't fail in 2 minutes like before .

@ Moons_shadow, what is your goal speed? I'm using ddr2 800 crucial ballistix ram and I am getting 3.7ghz on my quad. I can't go above this, not sure why yet. A lot of the 4.0 ghz appear to be using 1066.

I haven't see a near 4.0 ghz OC w/ ddr2 800 (maybe thats my problem, lol), but I could be wrong. Anyone out there have 3.8ghz+ w/ ddr2 800?

[krampak]

Hi guys, what do u think about a Q6600 G0 that does 4.1Ghz on air (4 cores stable) at 1.50V ?

If that could be possible, what about if I say that it's cooled by air (ultra 120 extrem and liquid pro I think) and temps are 27ºC idle / 55ºC full on a normal ambient temp ? (let's say 21ºC).


I can't believe it but maybe u find it possible... ?

[dertimaushh]

Here are my first Q6600 G0 L27A838 results on air:



3700MHz/dertimaushh/Q6600/Stepping G0/1.44V/FSB 412/4x1024MB Crucial D9GMH /4-4-4-8 1:1/Gigabyte P35-DQ6/Thermalright Ultra-120 eXtreme


Testing 3800

greetz

tim

Edit: @krampak Any Screens or links? Dont think that this is possible. I get around 68C @3800 @1,50V at the moment.

Maybe with some lapping + Liquid pro + and a pair of Delta fans + an excellent Stepping could do around 4Ghz @air.

[Ace-a-Rue]

A NEW PRIME RECORD FOR ME WITH MY "G0" Q6600: 14 HOURS AND 53 MINUTES (outside of the case)....got bored with going any further with the timing...

[dertimaushh]

Nice.

Little Update @ Air


3807MHz/dertimaushh/Q6600/Stepping G0/1.50V/FSB 423/4x1024MB Crucial D9GMH /4-4-4-8 1:1/Gigabyte P35-DQ6/Air

[Ace-a-Rue]

Nice.

Little Update @ Air


3807MHz/dertimaushh/Q6600/Stepping G0/1.50V/FSB 423/4x1024MB Crucial D9GMH /4-4-4-8 1:1/Gigabyte P35-DQ6/Air

COOL! ...how long has Prime 95 been going?...i presume inside the case (door off or on)?

[dertimaushh]

Inside the case. Door closed.

Prime - Custom - Inplace ran ~1,5h. And is still runing for a little over 2h now.

[Ace-a-Rue]

that is good!