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    SubjectRe: PC speaker beeping on high CPU loads on an nForce2
    On Sun, 27 Nov 2005, Petr Vandrovec wrote:

    > Martin Drab wrote:
    >
    > > on an nForce2 system (GigaByte 7NNXP) when the CPU is under heavy load (like
    > > during kernel compilation for instance, or any compilation of any bigger
    > > project, for that matter), I hear some beeps comming out of the PC speaker.
    > > It's like few short beeps per second for a while, then silence for few
    > > seconds, then a beep here and there, and again, and so on. It is quite
    > > strange. It happens ever since I remember (I mean in kernel versions of
    > > course, I have the board for about 1.5 years). I've just been kind of
    > > ignoring it until now. Does anybody else happen to see the same symptoms?
    > > What could be the cause of this. Is it something about timing? But how come
    > > the PC speaker gets kiced in, while it's not being used at all (well, at
    > > least not intentionally) for anything. Perhaps something is writing some
    > > ports it is not supposed to?
    >
    > Nope. Your system is overheating, and on-board temperature sensors are
    > complaining. Probably you should find whether lm-sensors have drivers for
    > chips your motherboard has, and look at sensors output in that case...
    >
    > Maybe ACPI could report thermal zone as well, try looking at
    > /proc/acpi/thermal_zone/* tree.

    Ah, that didn't occur to me. You are right. I'm about to install a new
    water cooling, so I hope that would help.

    Sorry for bothering,
    Martin
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