RichyCizzo wrote:
max wrote:
RichyCizzo wrote:
Probably because you guys have a horrendous power supply that doesnt keep feeding power even after shutdown to give time for the CPU and the GPU to cool down instead of an abrupt system power off
why would i feed power to something if i want it to cool down? when you shut down your pc, everything should be off. i have in fact never heared of a psu that will feed power to the cpu/gpu after shutdown. and wouldnt this largely be a mobo setting as it regulates all the power that goes to the cpu (and also mainly to the gpu)? the psu only does what the mobo tells it to do (green wire shorted = on, not shorted = off). i doubt that it would be a good idea if the psu went against this rule.
please enlighten me
EDIT: and if you were talking about the psu fans spinning for 5min or so after shutdown, that is an utterly useless function and wont do anything to help your pc live longer
I've had 3 processors under warranty die on me before I realized that was the problem. So please, don't say it's a useless option. And what i meant was it feeding just enough power to run the fans for a few more mins.
Think of it this way, when you boil hot water and then remove it from the stove abruptly, is it still boiling?
can you link me to a psu as an example?
just to get this straight, you are saying that the psu will supply power to the gfx card and the mobo after the system has shut down and keep the fan spinning.
or am i misunderstanding and just the psu fans spin. because this wont help because heat transfer over different components is pretty bad and the surrounding components therefore wont really heat up. also the thermal capacity of a cpu or similar it is very low (i.e. there is not a lot of energy stored in it as heat, so it will cool down quickly without releasing much energy to its surroundings).
if your cpus died (which are probabely pretty much the hottest component in a pc, so it can never even theoretically go over the temp at which it was shut down), you probabely have used an insufficient heatsink or have very bad airflow causeing your cpu to overheat when on. think of it as your teakettle example. if you take the kettle off the stove (which would correspond to your normal operation temp, which should be below the max temp for the cpu), it wont instantaneously drop to room temperature but will never get any hotter (which might be problematic).
Last edited by max (2006-09-11 17:10:08)
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