SpeedSwitchXP V 1.4 Released (freeware)

Discussion in 'Windows OS and Software' started by Andrew Baxter, May 31, 2004.

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  1. Andrew Baxter

    Andrew Baxter -

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    For those that like to know exactly what's going on with their processor and tweak things a little to save battery life or max out performance continuously on your Pentium M chips, the latest release of SpeedSwitch (Version 1.4) was released a couple of weeks back.

    link: http://www.diefer.de/speedswitchxp/index.html

    Overview

    SpeedswitchXP is a small applet that sits in the system tray and allows dynamic switching of the frequencies of mobile Intel and mobile AMD CPUs under Windows XP. During the development of Windows XP, Microsoft decided to integrate dynamic frequency switching into the operating system itself. On a default Windows XP installation, the power schemes in the power settings of the system panel control the frequencies of the processor. On Windows 2000 and previous operating systems, it was possible to manually control the CPU frequencies with a SpeedStep applet provided by Intel, but this is not possible anymore under Windows XP. It is not very good documented what the different Windows XP power schemes do and it is impossible to fully adjust the schemes as the important settings are not accessible through the control panel.

    SpeedswitchXP tries to fill this gap in that it provides access to ALL power scheme settings. This small applet is similar in functionality to the native Intel SpeedStep applet for Windows 9x/ME and Windows 2000 but with a few more options.

    Basically all it does is creating a power scheme under the power settings in the system panel and making this the default power scheme for Windows XP. When this is done, you can control all settings of this new scheme through the applet.

    Since this program is using Windows XP's internal processor performance control functions, it should work on all notebooks that feature dynamic speed switching. So far, it has been successfully tested on notebooks with the following mobile CPUs:

     
  2. kcmoore

    kcmoore Notebook Enthusiast

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    has anyone tried this on a amd64 mobile equiped computer?
     
  3. Big Calhoun

    Big Calhoun Notebook Evangelist

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    The website mentions it should work for the Mobile AMD Athlon XP processors. I've only used Intel so I can't personally confirm.
     
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