Q6600 defaulting to 6 multi instead of 9?

eaglescouter · Oct 8, 2007

I'm running a Q6600 in an Asus P5K Premium with Crucial Balistix.

At install it detected and ran at the stock multiplier of 9X.

Today I was working on a bit of overclocking and after hitting a bus speed of 380 (no problems) I tried for 390 (using the Asus AI Suite). The system locked up and had to be rebooted.

After the reboot the system always sets the multiplier (as detected in CPU-Z) at 6 :bang head

I have rebooted, reset the bios to default, changed the multi to 6,7,8,9 manually, and I always get a multi of 6 in CPU-Z.

What am I missing?

Vento1 · Oct 8, 2007

This is similar to what i had on my abit board the only way around it that i could find was to switch of some of the thermal throttling in the bios.

Maverick0984 · Oct 8, 2007

Well, seeing as how you are a senior member, would it be stupid to ask if you have disabled EIST and Speedstep?

Tyranos · Oct 8, 2007

Does the bios also reflect a 6x multi?

GotNoRice · Oct 8, 2007

eaglescouter said:
I have rebooted, reset the bios to default, changed the multi to 6,7,8,9 manually, and I always get a multi of 6 in CPU-Z.

What am I missing?

Is your processor idle while you're looking at CPU-Z? If so, all you're seeing is speedstep working as intended. It automatically reduced processor frequency when the processor is not being used, similar to what laptops have done for quite some time. Fire up prime95 or another similar app, and it should jump to full speed right away.

aja · Oct 8, 2007

"Speedstep automatically lowers the multiplier from its max. (9x for the Q6600) to 6x when the machine is idle. The result is less power consumption and heat production. It goes back up to 9x when you start to get a CPU load. C1E has a similar function for voltage."

FROM HERE

eaglescouter · Oct 8, 2007

Confirmed that speedstep/EIST is off.

NOS is off.

At full load the multi does increase to 9. How do I get it to stay there at all times (this is obviously not a laptop)?

eaglescouter · Oct 8, 2007

Tyranos said:
Does the bios also reflect a 6x multi?

Bios shows 9x, and is set to manual, chip supports 9x.

aja · Oct 8, 2007

eaglescouter said:
Confirmed that speedstep/EIST is off.

NOS is off.

At full load the multi does increase to 9. How do I get it to stay there at all times?

I am so glad to see you know what you are doing lol...

ARe you using Vista? it overrides those settings

eaglescouter · Oct 8, 2007

XP Pro, but no I don't feel like I know what I'm doing on this box, since I'm clearly doing something wrong.

eaglescouter · Oct 8, 2007

How very bizzarre, another trip thru the bios to confirm settings, no changes made, yet now I have my 9X multiplier at zero load.......

El<(')>Maxi · Oct 8, 2007

It's for sure speedstep. C1E is disabled under CPU features in BIOS? Sounds like the BIOS may be acting up on you, might be worth it to flash it.

eaglescouter · Oct 8, 2007

Yes, C1E is also disabled.

Thanks for all the rapid pointers, I'm back on track and overclocked to 3.42Ghz now

OCForums, the home of the best tech support available

aja · Oct 8, 2007

eaglescouter said:
Yes, C1E is also disabled.

Thanks for all the rapid pointers, I'm back on track and overclocked to 3.42Ghz now

OCForums, the home of the best tech support available EDIT: AND IT'S FREE!

Vento1 · Oct 8, 2007

Have you tried that quad under phase yet.

EDIT glad its working properly now.

eaglescouter · Oct 8, 2007

No phase yet for the quad, I've been too lazy to tear the phase mounting apart to change the cpu (yeah, I know, lame excuse)

Surfrider77 · Oct 8, 2007

How strange. Would have sworn it would be Speedstep with the symptoms you described. Glad its working for you now. If it acts up again, it might not be a bad idea to update the BIOS as someone already suggested.

OC Detective · Oct 8, 2007

Most likely was Speedstep/C1E and the attempted overclock to 390 x 9 scrambled the original settings.

Evilsizer · Oct 9, 2007

eh sometimes disableing eist/c1e doesnt always take the first time thru the bios...

aja · Oct 9, 2007

eaglescouter,

Did you ever find out what exactly caused this?

Q6600 defaulting to 6 multi instead of 9?

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