From: Marko Mäkelä (marko.makela_at_hut.fi)
Date: 2005-08-03 10:39:19
On Wed, Aug 03, 2005 at 03:01:59AM -0500, Bo Zimmerman wrote:
> The only thing I'm doing strangely when the ps is not under load is that I
> cross the always-on 5V line on the ATX with the Power-On line on the ATX to
> force the power supply to come on. I suspect, perhaps, that this might have
> been the wrong thing to do.
I think it is unlikely to cause any permanent damage, unless your power
supply is a very cheap one made by some no-name manufacturer.
I accidentally shorted the +5V supply of my DVB-T recorder box
(http://www.cadsoft.de/vdr/) to ground when developing a power-on-by-remote
circuit (http://www.funet.fi/~msmakela/electronics/worc5/). The power
supply shut itself down and refused to start within a few seconds. The
next day, I opened the power supply, and the internal 10-amp fuse on the
mains side was not blown. I soldered the fuse back in place, and the
computer worked just fine with this power supply. It must have been
some overheating protection.
Have you tried adding a hard disk as an extra load to the power supply?
Marko
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