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Q6600 overclock wall

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Anonymous   07-12-2008 at 06:12:20 AM

I have a Q6600 and just cannot get past a 3.2 GHs overclock stable. VID is 1.325 the worst i know. vcore is currently 1.4875v, memory 2.1 v, north bridge is 1.4, southbridge is 1.55. i have a 780i EVGA motherboard. 4 Gb Corsair Dominator set to expert so i don't have to mess with timings. my system just requires alot of voltage. to get to 3.4 GHz i have to go past 1.51v and there is no way my system can handle the heat, even though i have a Zalman 8700 CPU cooler. Any suggestions.

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cd14   07-12-2008 at 06:50:02 AM
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Anonymous wrote :

I have a Q6600 and just cannot get past a 3.2 GHs overclock stable. VID is 1.325 the worst i know. vcore is currently 1.4875v, memory 2.1 v, north bridge is 1.4, southbridge is 1.55. i have a 780i EVGA motherboard. 4 Gb Corsair Dominator set to expert so i don't have to mess with timings. my system just requires alot of voltage. to get to 3.4 GHz i have to go past 1.51v and there is no way my system can handle the heat, even though i have a Zalman 8700 CPU cooler. Any suggestions.



It's difficult for my Q6600 B3 to get past 3.2 too. Aside from getting another Q6600 (GO) there's not much you can do. I have gone from a Ultra 120 Extreme to water cooling and it doesn't help much. The max I've run it daily was 3.46. I had to put a lot of voltage through it to get there. Heat was in the 80c's.

------------------------------ Asus PQ5 Deluxe | Intel Q9550 @4.08 Ghz | Swiftech Apogee Drive, 3 Rad | Ballistix 8500 | ATI 4850 Crossfire | CoolerMaster HAF
 Reply to cd14
jeremyrailton   07-12-2008 at 07:22:36 AM
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i'm having the same issue, same vid. it's just not that great an overclocker. I had a lower vid q6600 and it went to 3.6 easily. unfortunately i sold it. luck o the draw, my friend

------------------------------ They call me crazy for yelling, alone in my room, at the computer screen. They just don\\\\\\\'t understand the game.
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acid   07-12-2008 at 08:29:11 AM
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i'm having q6600 just like your,i stabled it at 3.6 by setting the cpu volt in bios to 1.60,but you better watch your temps with this voltage.

Reply to acid
sportsfanboy   07-12-2008 at 04:44:31 PM
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acid your going to kill your chip with that much voltage

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dagger   07-12-2008 at 06:19:09 PM
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That's strange, I have a 1.3125 VID q6600, which isn't the highest, but almost there. It runs at 3.6ghz on 1.45vcore prime95 stable at 58C max load. At 4ghz, it needs 1.65vcore to be stable, 69C max load.

 

Maybe it's the motherboard? You should try turning on loadline calibration to decrease vdroop.

------------------------------ Q6600@3.6ghz, GA-EX38-DS4 motherboard, 8gb 800mhz ddr2 4-3-3-12, 8800GTS(g92)@780mhz, 1TB + 1.5TB hdds, 850watt psu
 Reply to dagger
Mogwilson   07-12-2008 at 06:27:01 PM
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Somequads hate high multipliers so it might be an idea to lower the multiplier and raise the FSB instead.

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jerreece   07-12-2008 at 06:48:58 PM
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I've got a Q6600 on an XFX 680i LT SLI board. Apparently these mobo's are crap for OC'ing quads from what I hear on Tom's. Anyhow, I had the thing OC'd to 3.2Ghz for a couple days without problems. Then suddenly it won't stay stable at any OC.

Used to run XP 64, now I"m running Vista 64 and haven't tried to OC yet since OS change. Wonder if that'll affect anything.

Kind of stinks though, cause I can't seem to get a stable OC to save my life. I keep hearing folks talking about Loadline Calibration lately, dont' think my 680i board has an option for that...?

------------------------------ i5-750 4Ghz @ 1.32V / Gigabyte GA-P55-UD4P / Xigmatek HDT-S1283
2 x MSI GTX 260 Core 216 SLI (655Mhz) / 4GB GSkill DDR3 1600 9-9-9-24 @1.5v
2 x WD Caviar Black 1TB / Thermaltake Armor BWS8003
Win 7 64bit / Antec TPQ-850 / 3dMark06 24621
 Reply to jerreece
Anonymous   07-12-2008 at 09:35:06 PM
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i appreciate all the help fellas. that loadline calibration sounds good but have never seen that in BIOS, i guess it isn't available. i think i just got luck of draw and should be happy with 3.2 OC. i can say to jerreece once you can't get a stable OC at all i hear you have to start OS over. so you should be able to get great new overclocks. once you train the chip to fail it usually keeps failing and clearing CMOS won't make a difference. But you new got new OS so go slow on the OC.

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jerreece   07-12-2008 at 11:52:45 PM
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Anonymous wrote :

i appreciate all the help fellas. that loadline calibration sounds good but have never seen that in BIOS, i guess it isn't available. i think i just got luck of draw and should be happy with 3.2 OC. i can say to jerreece once you can't get a stable OC at all i hear you have to start OS over. so you should be able to get great new overclocks. once you train the chip to fail it usually keeps failing and clearing CMOS won't make a difference. But you new got new OS so go slow on the OC.



Never heard that before.

Being as I switched from XP64 to Vista64 I'm tempted to try OC'ing again anyways. As my instability issues were within Windows (rather than during POST). I'm curious to see if I can get anything to run.

*Fingers Crossed*

------------------------------ i5-750 4Ghz @ 1.32V / Gigabyte GA-P55-UD4P / Xigmatek HDT-S1283
2 x MSI GTX 260 Core 216 SLI (655Mhz) / 4GB GSkill DDR3 1600 9-9-9-24 @1.5v
2 x WD Caviar Black 1TB / Thermaltake Armor BWS8003
Win 7 64bit / Antec TPQ-850 / 3dMark06 24621
 Reply to jerreece
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