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Name: unknown
Date: March 19, 2004 at 04:26:21
Subject: Re: Finding CPU frequency
In Reply To: Re: Finding CPU frequency by
Christian Ludloff on March 18, 2004 at 11:42:18
Text: Hi CL,
Thanks for your reply. I am a novice......I have to determine the
processor frequency only for Intel processors (Pentium 4 and above and
they do support the extended brand string)at run-time. In the
Intel application note there is an example which calculates the
CPU frequency for a DOS system based on BIOS ticks.
Can I use the same for Windows (using an appropriate offset for the BIOS
segment). Also, would the maximum quaified frequency of the processor
(which is obtained using the CPUID instruction) differ very much from the
operating frequency? If it doesnt, the max freq may also be ok.

Thanks!!


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