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CPUfrequency is a group of Terminal shell scripts (sysctl hw.cpufrequency) that determine the speed that your processor is actually running at.

If the number displayed is significantly lower than what it should be, your Power Manager has most likely gone wonky and you need to reset it. Shut down your computer. Hold down SHIFT+CTRL+OPTION+POWER for 5 seconds, then start up again. Run this script again to see the improvements! WARNING: This will reset your preferences (clock, etc) to their defaults and erase any RAM disks you may have.

What's New

Version 1.1 now shows the speed in MHz instead of Hz.

Requirements

Mac OS X 10.0 or later

*Previously available here

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CPUfrequency User Discussion

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Anonymous Member IconReview
Anonymous
+0

Hi, I made this, but I just want everyone to know that while the script works, the shell command that it relies on doesn't function properly in OS X 10.3. If Apple ever fixes this, it'll work like a charm. whoo-hoo!

Sorry.

Reply0 replies
Version 1.1
Anonymous Member IconReview
Anonymous
+0

Works as advertised, although the advice it gives after reporting the clock speed has me wondering about the logic behind it. Maybe an explanation of how the power manager affects the speed would help.

Works well for its purpose.

Reply1 reply
Version 1.0
blee
+0

I'm not sure about desktops but laptops like iBooks you can tell it to reduce cpu speed when your running on the battery to give you more time to work with. But sometimes it can get stuck for example in panther on my iBook sometimes when I plug in my charger the battery icon doesn't update which I'm assuming means it hasn't changed the profile from battery to power adapter

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Details

Downloads 4,717
Version Downloads 2,395
License Free
Date 19 Nov 2003
Platform OS X / PPC 32
Price Free