# HG changeset patch # User Oleksandr Gavenko # Date 1338466786 -10800 # Node ID c8ba8ba3c0c933442ce2cf5613634148926c4c05 # Parent 539d60ac4453f323870f95e8005c8a6e2f614709 view current DPMS settings diff -r 539d60ac4453 -r c8ba8ba3c0c9 xorg.rst --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/xorg.rst Thu May 31 15:19:46 2012 +0300 @@ -0,0 +1,98 @@ + +======= + Xorg. +======= + +Where find info? +================ +:: + + $ man 5 xorg.cong + +Enable Ctrl+Alt+Backspace. +========================== +:: + + $ cat /etc/X11/xorg.conf + ... + Section "ServerFlags" + Option "DontZap" "false" + EndSection + +How set standby time? +===================== + +Put something like this in xorg.cong:: + + Section "ServerFlags" + # Disallows the use of the Ctrl+Alt+Keypad-Plus and Ctrl+Alt+Keypad-Minus. + Option "DontZoom" "true" + # Blank phase of the screensaver. + #Option "BlankTime" "0" + # Standby phase of DPMS mode. + Option "StandbyTime" "10" + # + #Option "SuspendTime" "0" + # + #Option "OffTime" "0" + EndSection + +Time measure in minute. + +To enable this configuration you must set "DPMS" option in "Monitor" section:: + + Section "Monitor" + ... + Option "DPMS" + ... + EndSection + +To view current DPMS settings:: + + $ xset q + +To disable DPMS for current session use command:: + + $ xset -dpms + +To turn off monitor use:: + + $ xset dpms force off + +Set display dimensions. +======================= + +To see currect settings type:: + + $ xdpyinfo | grep dimensions: + dimensions: 1280x1024 pixels (382x302 millimeters) + +From this dimensions calculated your display dpi resolution:: + + $ xdpyinfo | grep resolution: + resolution: 85x86 dots per inch + +To set dimensions edit '/etc/X11/xorg.conf' (size in mm):: + + $ cat /etc/X11/xorg.conf + ... + Section "Monitor" + ... + DisplaySize width height + ... + EndSection + +Overriding EDID Settings for NVidia cards. +------------------------------------------ + +If you're using NVIDIA display drivers version 8756 or above and your monitor +reports an EDID DPI value, you must tell the drivers to ignore this value as +it takes precedence over all the above configuration options/arguments:: + + Section "Monitor" + ... + DisplaySize width height + Option "UseEdidDpi" "false" + ... + EndSection +