OC Q6600 Advice..

  toon_mad 12:55 30 Oct 2008
Locked

Im new to overclocking, ive recently had some goes myself changing some settings in the bios. my setup is (sorry for the big post):

*********************************************

Asus P5N-E SLI
Q6600 @ 2.4 Ghz
8800GT 1GB SLI
4x1GB Corsair Extreme @ 800Mhz
Atrix 650Watt PSU
Apevia Black X-Cruiser Case ATX
Windows Vista Ultimate

Everest Sensor Report:
Field Value
Sensor Properties
Sensor Type ITE IT8718F (ISA 290h)
GPU Sensor Type Analog Devices ADT7473 (NV-I2C 2Eh)
Motherboard Name Asus P5N-E SLI
Chassis Intrusion Detected Yes

Temperatures
Motherboard 35 °C (95 °F)
CPU 37 °C (99 °F)
CPU #1 / Core #1 42 °C (108 °F)
CPU #1 / Core #2 42 °C (108 °F)
CPU #1 / Core #3 42 °C (108 °F)
CPU #1 / Core #4 38 °C (100 °F)
GPU 42 °C (108 °F)
GPU Memory 34 °C (93 °F)
GPU Ambient 33 °C (91 °F)

Cooling Fans
CPU 2058 RPM
GPU 1749 RPM (65%)

Voltage Values
CPU Core 1.42 V
+3.3 V 3.39 V
+5 V 5.03 V
+12 V 12.10 V
+5 V Standby 4.97 V
VBAT Battery 3.18 V
GPU Vcc 3.38 V

****************************************

Now ive tried the AI overclocking first, 5%,10%,15% and 20% - But this always has problems, computer will freeze, restarting pc will hang (the mem test screen before windows load screen). Restarting again then makes the pc load back at the default settings.

Ive then tried custom values like this one i got to 2.6Ghz:

FSB: 1319MHz X9 (24% increase)
Mem: 850MHz (24% increase)
CPU Core: 1.34v
Mem: 2.17v
NB Core: 1.39v

Everest then reported cpu core temps of around 57-62 degrees. This setup also came with stability issues.

Is there some good solid advice i can get to OC this, the pc is around 5months old (new). It doesnt need to be OC'd but if i can get the 2.4Ghz up to around 2.8Ghz that would be perfect. I believe the safe temp for my cpu is 62degree

Thanks in advance!

  donki 13:01 30 Oct 2008

This may sound a silly question but why oh why do you want to overclock that beast? Ur more than likely goign to cause damage to components for gains that you wont even notice unless you monitoring them :s. I have a lowly Dual-Core and am a gamer and i have never felt the need to overclock. U say its 5 months old, your warranty is now void should the worst happen.

  I am Spartacus 13:05 30 Oct 2008

A few suggestions:

Try the CustomPC forum overclocking section click here There's a few people there who can advise.

Get a better CPU heatsink. Those temperatures can be reduced.

Unlink your RAM from the FSB in the BIOS otherwise that will limit your potential overclock. You should be able to reach 3GHz with little or no increase in vcore.

In addition you will not be able to overclock 4 x 1GB RAM over 800MHz as the memory channel is working too hard. A stable setting would be around 667MHz. This is almost certainly the reason for the instability.

The vcore reported by Everest seems a bit high. The custom value of 1.34v you've set is safer.

  I am Spartacus 13:12 30 Oct 2008

donki

I've been running a 3.3GHz overclock on a Q6600 system for over a year now. Totally stable, never above 55ºC at full load, idles at around 32ºC.

...and fast.

  toon_mad 13:17 30 Oct 2008

donki... doh! thought it wouldnt as you can buy new systems with OC options

I am Spartacus... not sure now after what donki said about doing this, could i benefit by overclocking it? is it really worth it now i think about it. Its only the cpu i want quicker. Also thats a good point about unlinking the ram from the FSB, i didnt give it a thought about making the 800Mhz lower to say 667Mhz

Cheers..

  I am Spartacus 13:21 30 Oct 2008

Check out the CustomPC link. I have a few systems and haven't broken one yet and do go to extremes to find the limit, then back down the settings a bit. However I am careful to read the information available on the CPU/Motherboard/RAM specifications.

If you go to the Corsair Forum and ask 'The RAM Guy' for advice on your RAM he may be able to give you safe settings for stable performance click here

Yes, there's always a risk you might stuff it up though. Only you can decide whether it's worth it.

  toon_mad 13:24 30 Oct 2008

thanks for the advice, will check the links out cheers. One last question before i do though, if you had my exact setup would you OC it (i know you have to a Q6600), but with my motherboard etc would you?

Cheers again

  I am Spartacus 13:36 30 Oct 2008

I'd probably have to think about it.
OK thought about
Yes, but that's me :o)

I would remove 2 sticks of RAM though or accept that 4GB might have to run around 500MHz for a decent CPU overclock.

My Q6600 is on an ancient (circa 2005) Asus P5W DH Deluxe

  toon_mad 13:44 30 Oct 2008

.."I'd probably have to think about it.
OK thought about
Yes, but that's me :o)

I would remove 2 sticks of RAM though or accept that 4GB might have to run around 500MHz for a decent CPU overclock.

My Q6600 is on an ancient (circa 2005) Asus P5W DH Deluxe"

i have literally just bought the extra 2x1gb ram :)

those sites are excellent, ive bookmarked them. I will OC it, but only once i get another heatsink or better cooling, im currently running on air aswell.

Thanks again mate ;)

  I am Spartacus 14:11 30 Oct 2008

Thermalright Ultra Extreme is a good heatsink although a tad pricy click here

Choice of 120mm fans click here

The Scythe Kaze Jyuni 1200RPM Slip Stream 120mm Fan is good and reasonably quite or a Scythe Kaze Jyuni 1900RPM Slip Stream 120mm Fan if you want to pretend you have a helicopter in your case.

  toon_mad 14:57 30 Oct 2008

thanks again :)

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