A asdf2345 New Member May 20, 2016 #1 i have a old fsp300-60btv and i hear a high pitched noise from it now you might say 15amps (12v rail) are not enough amps but i had a old cd drive and plugged it in the psu so just running 1 cd drive it still makes the noise
i have a old fsp300-60btv and i hear a high pitched noise from it now you might say 15amps (12v rail) are not enough amps but i had a old cd drive and plugged it in the psu so just running 1 cd drive it still makes the noise
voyagerfan99 Master of Turning Things Off and Back On Again Staff member May 20, 2016 #2 Probably just some coil whine.
Okedokey Well-Known Member May 31, 2016 #4 Under-loading a PSU can cause excessive hysteresis, which is what you're hearing.
