Subj : Re: DPMS not working on RH 7 system
To   : comp.os.linux
From : victor
Date : Sun Dec 19 2004 11:13 am

>>>>> "Trent" == Trent Buck <geragohpx@tznvy.pbz> writes:

Trent> Up spake Victor S. Miller:
>> I'm running RH 7 (no snide remarks please) on an old Dell machine.
>> The display has dpms capabilities, and the apmd is running.  I can
>> put it in standby manually by telneting to the machine and runnning
>> 
>> apm -s
>> 
>> as root.  I have the right options in XF86Config-4 (and the log
>> shows it).  Yet when I run xset dpms 300 600 900 (for example), the
>> display never goes into power saving mode.  Any suggestions?

Trent> Can you sleep the display immediately using xset?

Trent>   xset +dpms
Trent>   xset dpms force standby

Nope. That doesn't do anything.  When I do the apm -s, the power
saving light on the display goes on and the display is dark.

Trent> Note that sleeping the machine with `apm -s' doesn't ask the
Trent> display to sleep (like DPMS does); the display is sleeping
Trent> because it is not receiving signal from the machine.

Victor

.