2 монитора + intel i915

Section "Monitor"
	Identifier		"Internal LCD"
	DisplaySize		338.7 211.7				# 1280x800 @ 96 DPI
	Option			"DPMS"
EndSection

Section "Monitor"
	Identifier		"External LCD"
	Option			"Disable"				"True"
	Option			"DPMS"
EndSection

Section "Device"
	Identifier		"VideoCard"
	Driver			"intel"
	VendorName		"Intel Corporation"
	BoardName		"4500MHD"
	Option			"monitor-LVDS1"			"Internal LCD"
	Option			"monitor-HDMI2"			"External LCD"
	Option			"AccelMethod"			"UXA"   # "UXA" | "EXA" | "XAA"
#	Option			"DRI"					"true"
#	Option			"DRI2"					"true"
EndSection

Section "Screen"
	Identifier		"Screen0"
	Device			"VideoCard"
	Monitor			"Internal LCD"
	Defaultdepth	24
	SubSection "Display"
		Modes			"1280x800"
		Virtual			3200 1200
	EndSubSection
EndSection

#!/bin/bash

# External output may be "VGA1" or "HDMI2"
EXTERNAL_OUTPUT="HDMI2"
INTERNAL_OUTPUT="LVDS1"
# External location may be "--left-of" or "--right-of" or "--above" or "--below"
EXTERNAL_LOCATION="--right-of"

# Figure out which user and X11 display to work on
X_USER=$(ps au | grep startx | awk '{print $1}')
export DISPLAY=':0.0'

# Switch to X user if necessary
if [ "$X_USER" != "$USER" ]
then
    SU="su $X_USER -c"
else
    SU="sh -c"
fi

# Figure out current state
EXTERNAL_STATE=$($SU xrandr | sed -n "/$EXTERNAL_OUTPUT/,/$INTERNAL_OUTPUT/p" | grep '*')

if [ -z "$EXTERNAL_STATE" ]
then
    $SU "xrandr --output $EXTERNAL_OUTPUT $EXTERNAL_LOCATION $INTERNAL_OUTPUT --auto"
else
    $SU "xrandr --output $EXTERNAL_OUTPUT --off"
fi

Virtual         3200 1200