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My Mobo is an Asus P5B Deluxe, Processor is a Core 2 Duo E6600 and RAM is dual channel OCZP800R22GK. This computer has been running for 1 1/2 years without a glitch. But I recently downloaded CPU-Z and it's telling me that my 800 mhz memeory's bus speed is presently running at only 400 mhz and the CPU's bus speed is 266.7 and it's rated FSB speed is 1066.7

Anyone have any idea as to why this is happening or am I missing something.

My Mobo's bios version is American Megatrends 0614.

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Last Post by crunchie
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The cpu_z is correct. Double Data Rate of 400MHz = 800MHz on the RAM. My cpu_z shows 533MHz for a RAM speed of 1066MHz.

6600's are quad pumped meaning that 266.7 = 1066.8

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Thank you for your quick response. I'm still not sure that I'm completely clear on what you said lol!! So the " effective " CPU bus speed is 1066 but not a true 1066 mhz.??

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