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Old 06-27-09   #1 (permalink)
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Post CPU multiplier is jumping!
Right now i am on Intel Q6700 & ASRock P45R2000.

I am using Kingston HyperX PC8500 DDR2 and have not applied any overcloking.

The CPU/RAM ratio is 1/2. So what disturbs me is that despite the fact, that CPU should work at 10X 266 MHz, it works just at 6X 266 MHz and sometimes the multiplier is jumping to 10.. I don't want that at all. I don't need any energy savings or similar BS, just stable 10X 266 MHz - is this a common thing?

I remember when i had Intel DP35DMP and Q6600 i experienced the same - the multiplier would "jump" from 9 to 6.

How to fix this?
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Old 06-27-09   #2 (permalink)
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Disable Speedstep and C1E in the BIOS.
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Old 06-27-09   #3 (permalink)
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Quote:
Originally Posted by Chranny View Post
Disable Speedstep and C1E in the BIOS.
Exactly.
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Old 06-27-09   #4 (permalink)
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What other said. You don't need to turn them off if you don't OC.
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Old 06-30-09   #5 (permalink)
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What is C1E?

Anyway i checked in the BIOS to disable speedstep and keep the ratio to 10X

The multiplier is still jumping. What a stupid piece of mobo this is.
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Old 06-30-09   #6 (permalink)
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Quote:
Originally Posted by Artas1984 View Post
What is C1E?

Anyway i checked in the BIOS to disable speedstep and keep the ratio to 10X

The multiplier is still jumping. What a stupid piece of mobo this is.
All mobo's do this.

There must be more advanced CPU options in your bios that need to be disabled.

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Old 06-30-09   #7 (permalink)
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C1E might be called Enhanced Halt State or something similar. Don't blame the motherboard, blame Intel for adding this "problem" feature. It's controlled by the CPU, the BIOS only allows you to enable or disable it, as can software in Windows. There's really no reason to disable it though, it causes no performance hit.
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Old 06-30-09   #8 (permalink)
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I would turn it off. But I kept mine on just to run the power saver on my motherboard for a hot day when all my air conditioners were running. I saved about 10 watts...in like an hour

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Old 06-30-09   #9 (permalink)
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Easy one, Turn off C1E and speedstep . in BIOS.. gl
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Old 06-30-09   #10 (permalink)
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I agree the speedstepping and c1e is whats causing the jump, however if you have a stable OC there is no need to disable.

I am not 100% of the time doing cpu intensive tasks or benching. I use the speedstepping and have no stability issues with my computer.
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