Why The Disparity?

Processors

Intel® Processors, Tools, and Utilities

Why The Disparity?

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I have an Intel i7-920 processor running in an Asus P6TD Deluxe motherboard. When I go into BIOS and set the processor speed I use 192 as the BLK Freq.

Seeing as the multiplier is locked at 21, that combo should get me to 4.032Gig. But for some reason it doesn't. After a reboot, I go to the Advanced menu

and see where the processor is running UNDER 4Gig(~3.8G) and slightly something different when I run CPU-Z. Then when I reboot, I see something

different on the bootup screen. So my question is - which of these are the right numbers? What can I honestly trust?

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