CPU speed variation

I done a test yesterday.
Play a Quicktime hd preview in loop with the info screen.
Use other software to maxime cpu use monitoring by the Activity Monitor
after a few minutes the system seem to be slower the quicktime video fps drop to about 9fps from 24fps
So I figure it could be related to the cpu heat that was slowing down clock to avoid overheat.
But the system fans doesnt seem to kick-in full speed. (like me previous PB1.5ghz)
Then does anyone know how I could control the fan to have the full cpu power when I need it....
BTW: I use a 1.83ghz with the firmware 1.01 and 1.5g of ram 10.4.6 and it was with the powerplug and set to Best Performance

you could disassemble the unit, remove the paste from
the CPU and aplpy arctic freeze yourself in a thin
layer.. then the CPUs should transfer heat to the
heatpipes and engage the fan more readily
other than that.. no you have no direct access to the
fans or when they engage
that I know of anyway
Ok let's be clear, I'm a computer technician and I'm use to dealing why PC but I don't have a Apple Training.
I did install a upgrad hard drive in my previous PB. But after looking to the instruction found on the internet i'm really not sure I want to do this myself.
I think it's to damm risky and to result having a dead computer...

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michaelmartin wrote:
Intel Core i7-3520M Processor (4M Cache, up to 3.60 GHz)
However in my control panel the i7 cpu shows up as 2.90 GHz. Can anyone please tell me if there is some option to increase the speed in the BIOS or similar? Many thanks.
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Welcome to Apple Discussions, JoeCat24
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If you still have the Garage Sale installer or Readme files, check there to see how to properly uninstall. If you do not have this information, you may need to download the installer again to see if uninstall instructions are available there. Sometimes it is simpler to reinstall the application and then use the Help files to find out how to properly uninstall.
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In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

CPU speed variation

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