On Thu, Aug 07, 2003 at 07:44:14PM +0200, Markus D. wrote: > On my laptop (IPC Highnote S15) I even notice a whistling sound from the > power supply area if it is throttling the CPU. I can confirm this happens with my laptop (compaq presario 720) as well (but in my case, I don't see any of the throttling, only the whistling)