e6750 at 266 FSB - Pleasehelp

hheiber

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Jun 4, 2007
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Here is what I have:

ASUS p5KC MB
e6750 CPU
Crucial Ballistix 2 GB DDR2 800 Ram

In CPU-Z, I am getting:
BUS Speed: 266.7
Rated FSB: 1066.8

I would have thought I would have gotten 333 and 1333 respectively.

I have gone into the BIOS and changed the following settings but the bus stays at 266:
FSB Frequency: 333
DRAM Frequency: 800 MHZ
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
DRAM Voltage: 2.2

I still have Speedstep enable, but I thought that only affects the multiplier and since I am not currently overclocking, I am fine with it on.

Am I missing something? Thanks.
 

hheiber

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BIOS is updated to the most recent.
CPU Ratio is manually set to 8
FSB is manually set to 333


When I boot, it displays:
E6750 @ 2.66 GHZ
Speed 2.13 GHZ Count 2
 

hheiber

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But doesn't the speed of 2.13 GHZ prove that I am getting FSB 266 and multiplier of 8?

Also, the ASUS utility shows FSB of 266.
 

hheiber

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Per a suggestion on the ASUS support forums, I reset the CMOS. Now I am getting 1333 FSB!!!

Very frustrating, but it looks like when I flashed the BIOS to the most recent one after initially setting up the new PC, it locked the bus speed at 266 despite the settings.

Thanks for the help.