Solved Processor speed inexplicably decreased?

Hewlett-packard Compaq presario 905us la...
May 20, 2011 at 16:38:59
Specs: Windows XP, Mobile AMD Athlon XP 1500+
I recently restarted using my old Compaq Presario 905 laptop, with a Mobile AMD Athlon XP 1500+ that's supposed to have a processor speed of 1.33 GHz.

It was running very slowly and when I ran a diagnostic test (DXDiag) it showed that the processor speed was only 530MHz.

Can anyone help me as to why this is, and whether I could increase it again - and if increasing it would make my computer faster?

Thanks in advance!

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May 20, 2011 at 17:18:22
✔ Best Answer
Look into AMD PowerNow! & Cool 'n' Quiet technologies.

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May 21, 2011 at 05:10:04
It seems it is due to AMD PowerNow (its a laptop) throttling after all.


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