Here is a message on the subject which I saved some time back.
>From [EMAIL PROTECTED] Wed Apr 1 11:28:51 1998
Date: Mon, 05 Jan 1998 22:40:05 +0100
From: Philipp Frauenfelder <[EMAIL PROTECTED]>
To: William R Ward <[EMAIL PROTECTED]>
Cc: [EMAIL PROTECTED]
Subject: Re: Energy Star screensaver?
Resent-Date: 5 Jan 1998 21:51:04 -0000
Resent-From: debian-user@lists.debian.org
Resent-cc: recipient list not shown:;@lists.debian.org
> I believe that my video card and monitor are capable of powering down
> the monitor through software; is there any way to get Debian to make
> this happen? I would like both text and X11 to be able to do this...
> Any help would be appreciated.
This is more or less true for all (Intel?)-Linux systems capable of DPMS.
For text mode (simply execute at bootup):
echo -n "Setting DPMS for text console: "
setterm -blank 5 -powersave on # dpms on
echo -en "\033[9;8]" # suspend after 10 min
echo -en "\033[14;10]" # off after 30 min
echo "done."
And for X11 (in /etc/X11/XF86Config):
Section "Device"
Identifier "Videokarte"
VendorName "Matrox"
BoardName "Millennium"
ChipSet "mga2064w"
VideoRam 4096
Option "power_saver"
EndSection
[snip]
Section "Screen"
Driver "svga"
Device "Videokarte"
Monitor "Bildschirm"
DefaultColorDepth 16
BlankTime 5
StandbyTime 8
SuspendTime 10
OffTime 15
Subsection "Display"
[snip]
As you can see this is for a Matrox Millennium, the monitor is a Belinea
10 70 50 (DPMS capable). The settings in the Section "screen": Blank-,
Standby-, Suspend- and OffTime have defaults like the 'setterm' for the
text mode. The XF86Config is well documentated, the 'setterm' is not. I
read in the news that you have to read the source of
'drivers/char/vesa_blank.c' in the kernel tree in order to get these codes.
For me those work well an the screen is activated trough key press or mouse
mouvement (gpm on the console).
> --Bill.
cu
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