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Thread: need different APM driver for windows 3.1?

  1. #1
    Join Date
    Oct 2016
    Pennsylvania, United States

    Default need different APM driver for windows 3.1?

    I have a old Cyrix Mediagxm laptop , That I have windows 3.1 installed to it and I can't get the APM driver that comes with it, When I select "ms-dos system with APM" the windows 3.1 installer freezes on the screen where you type in your name product number at and it won't allow me to do anything. So if using windows 3.1 on a Cyrix Mediagxm CPU does it require a APM driver that is for Cyrix processors? I do know laptop does indeed support APM 1.2. I do know the APM driver provided with windows 3.1 is a Intel written driver, wondering why its not playing nice with a Cyrix processor. Anyone know of a different APM driver to use , or get the APM driver with windows 3.1 to work?

  2. #2


    Are you trying to install a driver that comes packaged with Windows? I don't recall power management being much of a widespread feature in DOS and Windows 3.x. The first time I encountered APM was in Windows 95. Without more specifics, all I can suggest is you try to find your system's specific drivers online.

    Alternately, and I know this doesn't answer your question ... but you could disable the power management features in the BIOS and do without them. No drivers, no hassle.

  3. #3


    It perhaps is no ideal solution, but it is also possible to use the HLT instruction to save power.
    There's a device driver, WQGHLT, which reduces processor load when the PC is idle.
    It should work with later 486s and beyond.


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