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Author Topic: Windows Incorrectly Detects CPU Speed  (Read 836 times)

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« on: August 24, 2004, 03:27:09 AM »

Operating System Version: Windows 2000
Problem Application Name & Version:
Problem Hardware Make & Model:IBM APTIVA / 500 AMD K6/2
Error Messages:

A few months ago I upgraded my dad's IBM APTIVA from a 350MHz to a 500MHz AMD K6-2 CPU.  I replaced the chip, I didn't overclock it. I set the appropriate jumpers on the board and everything was fine.  The BIOS and OS (Windows 98SE)properly detected the correct CPU speed. Today, I performed a clean wipe and installed Windows 2000. The BIOS detects the proper speed but System Information reads it as a 249MHz.  I downloaded Sisoft Sandra Pro and it reported the same spec - a 249MHz CPU.  I feel as long as the BIOS reads it correctly then it should be OK.  Why the OS doesn't is a mystery.  Anyone have any theories?

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« Reply #1 on: August 27, 2004, 12:53:20 PM »

I don't know why the BIOS would read the correct speed and the OS wouldn't but I know that as far as temperatures and voltages go I wouldn't rely on the BIOS at all. I wouldn't trust the BIOS on this either just in case it's reporting the wrong speed. I'll have a look around and see if I can come up with anything.


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