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Thread: What Makes a PC Click?

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    Question What Makes a PC Click?

    When its locked up i mean. You Know when a system locks up solid no Ctrl Alt Del etc it often begins to make clicking sounds out of the system speaker when you hit any key or move the mouse. Ie. one click for every key hit and multiple ones if you move the mouse.
    This seems to happen mainly with Win 98.

    Does anyone know what causes this?

    Was reminded of it when my Flatmates Win 98 system locked up a few days ago and thought i'd see if anyone knows why it happens .

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    cat /dev/null streetster's Avatar
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    its like a beep when there is too much data trying to be entered into the keyboard buffer... maybe it just gets full when the system locks up and so beeps whenever you press something, and perhaps there is a similar thing for the 'mouse buffer' which beeps more because you are sending it much more data when you move the mouse?

    i pretty much made that up, so its likely to be wrong

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    Vive le pants! directhex's Avatar
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    the ticking sound. that brings me back.

    it's highly probably that it's a debug facility left in by microsoft to indicate that the input system is still working - every keypress & mouse move send info to the input subsystem, but with everything else gone there was no way to see how stable the input was.

    on linux you'll get errors fed to you in morse code using the numlock lights with the right options enabled...

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    lucky 99% of the worlds population is fluent in morse code.

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    Quote Originally Posted by LayZeh
    lucky 99% of the worlds population is fluent in morse code.
    LOL


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    Vive le pants! directhex's Avatar
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    Quote Originally Posted by LayZeh
    lucky 99% of the worlds population is fluent in morse code.
    as opposed to Click?

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    Theoretical Element Spud1's Avatar
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    the 'morse code' thing is well cool, i use those lights for error messages in a number of my programs - tis great for getting messages without a monitor =)

    the beeps are for when the buffer is full i think (/me trys to remeber last years lecture)

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    Yeah it's the buffer, though I suspect it's at a higher level than the main keyboard buffer as that makes a full on hardcore beep.
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    Interesting. It must be a relatively small buffer though because it often happens only after only a few key presses when the system is locked up.

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