Re: Redhat 8 useless on Compaq Armada E500 on battery

From: Chris Cox (notccox_at_notairmail.net)
Date: 10/21/03

  • Next message: Chris Cox: "Re: script question" 
    Date: Tue, 21 Oct 2003 01:21:57 -0500

    Paul Lutus wrote:
    ...
    >
    >>Read the thread saying not to turn apm off cuz this could turn off the
    >>CPU-fan.
    >
    >
    > It's entirely false. Turning off APM support relegates APM to the system
    > BIOS, which can and must independently control the cooling fan. If this
    > were not true, if OS involvement was required, the first Windows blue
    > screen of death would literally kill the system. But it is not true.

    If you don't engage
    apm on newer Compaq laptops, the fan will NOT start regardless even
    if you tell the "bios" (and I use the term lightly since the Compaq
    BIOS has very little to do with anything happening on the HW) to run the
    fan ALWAYS when on AC power. And I know for a fact that the n610c
    will overheat VERY quickly. If there's any consolation, at least
    it's a P4... so it shuts down before frying the CPU.

    ACPI doesn't work on the newer Compaqs... turning both off leaves
    you with NO FAN. With just ACPI (though a newer version of ACPI may
    actually work... but nothing in any shipping dist that I know of),
    the machine will not operate correctly.

    Note: The n610c, even with apm and running the fan full blast will
    eventually overheat the HD. Just fyi. This laptop needs some
    redesign work. You might not have this problem unless you have
    the n610c.

  • Next message: Chris Cox: "Re: script question"

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