Actually, I'm thinking it's more likely that one of the toroids has a loose coil. Which, by the way, is not particularly a harbinger of a dying power supply, unless you count violence from the person who can hear it when he can't stand it any more. :)
On Feb 16, 2009, at 1:52 PM, jim wrote: > i've never heard capacitors make noise and am > interested to know if that happens. my guess is > the noise is coming from a fan, either in the > power supply itself, or in the case, or on the > heatsink of the CPU, or.... > odd that the noise goes away when the CPU is > busy: maybe the CPU heatsink fan smooths up when > there's heat (frame or spindle alignment changes)? _______________________________________________ vox-tech mailing list vox-tech@lists.lugod.org http://lists.lugod.org/mailman/listinfo/vox-tech