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i have a 365xd running linux (redhat 4.2) that emits a shriek through the speaker while closing the lid. it is not directly suspend related and does not happen every time (although since it started it is fairly consistent) but i can't figure out a pattern if there is one. the volume control does affect it. i've run the self-tests in the hardware but don't know what else to look at. i've also looked at the area around the speaker but there doesn't seem to be anything surprising inside. what is puzzling is that today is the first time that i've noticed this in the 6 months that i've had the thinkpad. i'd certainly like to try and isolate the problem before calling ibm about it. thanks for any thoughts... puzzled and deaf, ---K