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Dell Latitude C640 speed issues

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Old 11-18-08, 02:04 PM Thread Starter   #1
MR-FIX-IT
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Dell Latitude C640 speed issues


I can't for the life of me figure out how to get the notebook to run at full speed.

Its Pentium 4m @ 2ghz, but always runs @ 1.2Ghz.

I've enable/disable Speed step, I've disabled/enabled power management.

CPU on AC: Max performance, still runs @ 1.2Ghz..

WTF???
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Old 11-18-08, 02:10 PM Thread Starter   #2
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Old 11-18-08, 02:26 PM Thread Starter   #3
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Apparently its a bug with Dell notebooks. POS!

SpeedswitchXP - CPU frequency control for notebooks running Windows XP, fixes it.
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Old 11-18-08, 02:29 PM   #4
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Have you confirmed with SuperPi & CPUz that the multiplier doesn't increase to 20 when you put it under load? Have you checked the Windows power management settings too?

edit, yes I am a slow typer. lol

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Old 11-18-08, 02:34 PM Thread Starter   #5
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Quote:
Originally Posted by JLK03F150 View Post
Have you confirmed with SuperPi & CPUz that the multiplier doesn't increase to 20 when you put it under load? Have you checked the Windows power management settings too?

edit, yes I am a slow typer. lol
It freakin ticked me off to no end.. I've tried everything...

Who would have thought its a DELL bug....
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Old 11-20-08, 07:03 PM   #6
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Quote:
Originally Posted by MR-FIX-IT View Post
Apparently its a bug with Dell notebooks. POS!
I have a Dell Latitude C640 2.4ghz and it switches from 1.2 to 2.4 but only if CPU usage is over 35%. Did you use CPUZ to verify the speed?

Did you know you can put 2GB of memory in the Dell Latitude C640? Not only speeds things up a bit, but allows a big ram drive for temporary files and IE cache files.

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Last edited by orion456; 11-20-08 at 08:22 PM.
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