PowerLogix CPU Director for Mac

Name: PowerLogix CPU Director
Rating: 3.1 (15 reviews)
Author: Other World Computing

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PowerLogix CPU Director Analysis

AI Assisted Content · June 11, 2026

Not written by CNET Staff.

PowerLogix CPU Director is a comprehensive utility designed for Mac users seeking to monitor and manage their CPU performance effectively. This full version application allows users to gain insights into their processor's activity, including real-time performance metrics and usage statistics. With its user-friendly interface, the program simplifies the process of tracking CPU load and temperature, providing essential data to help optimize system performance.

Top Recommended Alternative

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Free

In addition to monitoring capabilities, PowerLogix CPU Director offers advanced features such as customizable alerts and the ability to adjust CPU settings for enhanced performance. Users can configure the application to suit their specific needs, making it a versatile tool for both casual users and professionals alike. Whether you need to troubleshoot performance issues or simply want to keep an eye on your Mac’s CPU activity, this utility provides the necessary tools to ensure efficient operation.

PowerLogix CPU Director for Mac

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Full Specifications

GENERAL

Release: May 4, 2007

Latest update: June 11, 2026

Version: 2.3b6

OPERATING SYSTEMS

Platform: Mac

Operating System

Mac OS X
Mac OS X 10.4

Additional Requirements

Mac OS X 10.4
PowerLogix upgrade card

POPULARITY

Total Downloads: 561

Downloads Last Week: 1

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User Reviews

3.1/5

15 User Votes

Kernel Panic at startup. Impossible to install
Cube of MoviesOctober 28, 2007
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. A real crap, a pain in the ass, a kernel panic generator. Can't start with that driver installed in my Cube with Dual 7447 1.7 CPU. Need to bot in safe mode to trash it. Be aware!
DO NO INSTALL - Unless you have half a day to...
pwrmactxMay 16, 2007
Pros
Cons
Summary
...achrive privious version to install This review was originally posted on VersionTracker.com. PLEASE READ !!!!! ****** DON'T Believe the Hype -Below - to a point ****** Was able "to successfully" install "update" the word is install... In safe mode managed to install then never loaded during verbose mode throttle issue. Then with FORCE restart severely corrupted by hard drive to the point where disk first aid in both Install DVD and classic could not fix this is Severe!!!! I had to resort to rebuilding the desktop remember that option??? In classic? After doing that I was able to revert AGAIN Back to 10.4.7 the ONLY stable OS for upgrade cards... In my Opinion this is MacSales and Powerlogix FEBEL attempt for a fix for an OS that apparently is figuring out how to disable these card from working... Next year I am buying a new Mac and selling my Card on eBay and NEVER refer anyone to MacSales / OWC again. They have your money but no support... ****** DO NOT INSTALL This Update: OS Freezes during PKEXT install and never does install **** Waste of a Saturday morning re-installing OS 10.4.7 (Only stable version- For Powerlogix Processor Card... 4 months waiting for a update that is even worse than 2.3b5 because with 2.3b5 at least you get an error message instead of your OS Freezing. If this is sign of how PowerLogix and MacSales supports their products, would think twice about supporting them....
**************** DO NOT INSTALL This Update: ...
pwrmactxMay 12, 2007
Pros
Cons
Summary
...**************** This review was originally posted on VersionTracker.com. ****** DO NOT INSTALL This Update: OS Freezes during PKEXT install and never does install **** Waste of a Saturday morning re-installing OS 10.4.7 (Only stable version- For Powerlogix Processor Card... 4 months waiting for a update that is even worse than 2.3b5 becuase with 2.3b5 at least you get an error message instead of your OS Freezing. If this is sign of how PowerLogix and MacSales supports their products, would think twice about supporting them....
**************** DO NOT INSTALL This Update: ...
pwrmactxMay 12, 2007
Pros
Cons
Summary
...**************** This review was originally posted on VersionTracker.com. ****** DO NOT INSTALL This Update: OS Freezes during PKEXT install and never does install **** Waste of a Saturday morning re-installing OS 10.4.7 (Only stable version- For Powerlogix Processor Card... 4 months waiting for a update that is even worse than 2.3b5 becuase with 2.3b5 at least you get an error message instead of your OS Freezing. If this is sign of how PowerLogix and MacSales supports their products, would think twice about supporting them....
Love this app.
unity3November 13, 2006
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. I have a TiBook 1GHz that I over-clocked to 1.2GHz and this is the only app that accurately displays CPU speed, 1.2GHz full and 667MHz reduced. Any other app seems to read some setting still showing 1GHz - even when the processor is reduced.
THANK GOD
jcw666October 4, 2006
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. 3 MONTHS!!! Hey i'll be happy if they just continue supporting 10.4.x til the end, wouldn't mind if they didn't support 10.5. Who knows if 10.5 will even run on a PPC... may be INtel only... It did freeze while installing CPU Director... reboot and it fine now. I'm Giving 'Price' one star because it cost me 3 months
They Released 2.3b4. Hooray!
strabismus--2008April 13, 2006
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. The release of CPUD v2.3b4 for OS X 10.4.6 is on the PowerLogix front page, thankfully. It's good to know OWC/PL can do it when they try. CPUD does almost all I need it for. The only criticism I have is for OWC/PL's poor past support regarding 10.4.5 when we had to wait several months for the update, which was soon redundant when 10.4.6 appeared. A very delayed Hooray!
works great here...
frankp_aus_hOctober 1, 2005
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. better than Sonnet Cache (which originally came with the cpu upgrade Sonnet Crescendo PCI G4/800 and works fast but seems to cause instabilities, and very much better than the XLR8 Mach Speed Controller 2.4.1 which I recently bought, that just caused kernel panic on startup even before I was able to write my serial). I have a fully loaded 9600 with all PCI slots used. XPostFacto helping it running X. Had some problems activating L2/L3 cache when upgrading 10.2.8 to 10.3.9, the Director 2.1 now seems to make it work stable again (1.5f didn't).
Works as advertised!
wantJuly 28, 2005
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. I have used this FREE utility for years. Now kindly updated for 10.4.2, CPU Director works flawlessly. On my slot-load iMac, upping the L2 cache ratio one notch adds a nice zip (any more is too fast for this machine and will eventually result in a kernal panic). Nice little tweak for an older Mac.
Something seems fishy here . . .
jamesforrester--2008July 15, 2005
Pros
Cons
Summary
This review was originally posted on VersionTracker.com. Although CPU Director 2.1b1 beta seems to operate on my B&W Mac with a PowerLogix 1.2 GZ ZIF G3 processor, after setting the opetaing speed of the ZIF, there is little noticeable operating speed difference. Since I have nothing with which to benchtest the processor speed, I would like to find and hear back from someone who can thoroughly test the performance stated by CPU Director. After all the problems I have had with this ZIF processor (I am on my third one!) I often think that the performance boasts are just that. This software, at least, makes it "seem" to operate correctly with OS 10.4.2.

Developer’s Description

By Other World Computing

change cache & cpu clock speed on PowerLogix cards

CPU Director allows you to view and configure the cache and processor clock speed settings on your PowerLogix upgrade card. The included utilities allow you to enable or disable the cache "on the fly", change the speed at which your backside cache operates and automatically enable the cache at this speed at boot time. If your upgrade uses an IBM 750FX or 750GX processor, you can also change the processor clock speed "on the fly" as well as the speed at which to set the processor when rebooting. There are also options to disable speculative access (a problem with OldWorld machines that originally did not ship with a G3 or G4 processor) and enable dynamic power management. Finally, if your upgrade uses multiple-processors, and you are running Mac OS X, you can view and change these settings on a per-processor basis.

PowerLogix CPU Director for Mac

PowerLogix CPU Director Analysis

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User Reviews

Kernel Panic at startup. Impossible to install

DO NO INSTALL - Unless you have half a day to...

**************** DO NOT INSTALL This Update: ...

**************** DO NOT INSTALL This Update: ...

Love this app.

THANK GOD

They Released 2.3b4. Hooray!

works great here...

Works as advertised!

Something seems fishy here . . .

Developer’s Description