PowerLogix Releases CPU Director 2.1

CPU Director unleashes Dynamic Frequency Switching and Power Management features to provide cool, reliable operation and a longer life for your computer

Jul 28, 2005 | Austin, TX


PowerLogix continues to innovate with the release of CPU Director 2.1, which brings exclusive new functionality to PowerForce G4 ‘47 and PowerForce G3 processor upgrades.

The PowerForce G4 ‘47 has unique hardware features that, when combined with the new CPU Director 2.1, result in the ultimate in power management – significantly lower power draw and operating temperature than any competing product.

A centrally located thermal sensor provides temperature data to CPU Director, PowerLogix's proprietary software utility. CPU Director’s thermal pane displays the data so users can see instantaneous real-time temperature, as well as a graph of temperature over time to help monitor temperature change and diagnose any problems.

CPU Director now also supports Dynamic Frequency Switching (DFS), allowing the user to choose either full or half CPU speed via the Energy Saver System Preference. Since the majority of tasks do not need full throttle CPU power at all times, the operating system automatically increases or decreases clock speed as needed.

A video demonstrating how DFS works is available at

Combining power management and DFS results in a considerably more efficient processor card. The card will operate at 15 watts under minimal demand and 63 watts under 100 percent load. Competitor cards of equivalent speed draw 62 watts and 68 watts under the same conditions. In other words, the computer is running a minimum of 91 percent throttle all the time, even when software demands do not require it.

CPU Director also supports ‘Processor Performance’ under Energy Saver when used with the PowerForce G3 ZIF or Pismo. When the user selects ‘Automatic’ in Energy Saver, the computer will run full speed when required, or at 500 megahertz (MHz) at idle. The ‘Highest’ setting runs the full CPU speed at all times and ‘Reduced’ runs 500 MHz at all times. This helps keep the operating temperature down and extends the battery life on upgraded PowerBook G3 ‘Pismo’ models.

CPU Director 2.1 is now available via download from the PowerLogix Web site. Existing owners of PowerForce G4 '47 also require a patch that will be e-mailed to all existing. New owners will receive CPU Director 2.1 on CD with the shipment.

PowerLogix products are available immediately through Other World Computing via its Web site at OWC is exclusive distributor for PowerLogix and provides all product and warranty support for their products.

About PowerLogix
First to market in every significant Macintosh CPU upgrade product during the past five years, PowerLogix designs and manufactures innovative products for maximum performance from second generation and newer Apple Power Mac computers and clones. For more information, contact PowerLogix at 8701 W. Parmer Lane #1120, Austin, Texas 78729; 512-401-9902; or visit its Web site at


About OWC

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Nathan Papadopulos