an expensive answer?

More experimenting with the computer this evening. I tried a different network cable, and running with the fileserver and one network switch turned off, but that didn’t make any difference.

So I moved on to opening the box and running with the case side open, while I stuck my head in to try and figure out where the whine was coming from. (Don’t try this at home, kids :-P). I started to think it was coming from the power supply, which agrees with the fact it still comes when the machine is off but under standby power.

These two posts seem to agree. I’m fairly well convinced now. Anyone nearby got a spare ATX power supply I can borrow for testing?

Having written that, I’m going to power down…

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