CPU speed in windows xp

  lisa02 17:27 09 Nov 2005
Locked

I just bought a compaq computer with an amd athlon 64 3700+ when I look in system properties sometimes it reports cpu speed as 983mhz and 1.77ghz and 2.2ghz ( it's mean't to be 2.2ghz).

why does this happen?

I looked in BIOS as it shows up correctly there.

Thankyou

  PaulB2005 17:42 09 Nov 2005

Becasue they have activated "Cool and Quiet" which throttles the CPU back to a lower speed when the full power isn't required.

  woodchip 17:49 09 Nov 2005

Speed stepping, So it only goes when you put your foot down

  lisa02 19:31 09 Nov 2005

ok, so it's normal and only goes to 2.2ghz when it's needed.

Thnkyou very much.

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