Re: #PS_ON always low-signal (PSU keeps running)
- From: Stefan Heinrichsen <gelbemauer@xxxxxx>
- Date: Sun, 15 Jul 2007 19:21:01 +0200
Oldish Git wrote:
"Stefan Heinrichsen" <gelbemauer@xxxxxx> wrote in message
my Asus A8N SLI Deluxe always has a low-signal on #PS_ON. So my PSU never
shuts down. When shutting down the Computer the USB-Connectors turn off,
Monitors goes to Stand-By,... but PSU and it connected coolers ar still
running. Than it is even not possible to shut the PC on again with the
normal Powerbutton. The only way to turn the PC off or on again is using
the switch on the backside of the PSU.
So I measured the #PS_ON signal and it is constant 0,7 Volt, so means a
low signal which tells the PSU to Power-On.
Sounds like a fault on the mobo then. I suppose you
could always fit a manual on/off switch on that line,
and operate it after windows has shut down.
The anoying is that I still would always have to wait until Windows/Linux is
down and than press this button.
I nice workaround would be to have a circuit which measures the power for
example at USB and if it's down switch the line of and (like usualy) on
again when powerbutton is pressed. But therefore my knowledge of
electrotechnology is to little.
As to a mobo fault, maybe a bad sensor is seeing high
temps and keeping the fans going until it cools (which
it obviously doesn't.) Have a look at what the bios
temp readings are and see if any are way out.
I had a look and all sensor have good values (about 35°C / 95°F)
Might be worth a fiddle with bios power settings, too.
Even already tried this. But I also resetet and updated the BIOS already so
I don't think there is anything misconfigured.
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