Added Lesson3

Lesson3/xorg.conf

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+# /etc/X11/xorg.conf (xorg X Window System server configuration file)
+#
+# This file was generated by dexconf, the Debian X Configuration tool, using
+# values from the debconf database.
+#
+# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
+# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
+#
+# This file is automatically updated on xserver-xorg package upgrades *only*
+# if it has not been modified since the last upgrade of the xserver-xorg
+# package.
+#
+# If you have edited this file but would like it to be automatically updated
+# again, run the following commands:
+#
+#   cp /etc/X11/xorg.conf /etc/X11/xorg.conf.custom
+#   sudo sh -c 'md5sum /etc/X11/xorg.conf >/var/lib/xfree86/xorg.conf.md5sum'
+#   sudo dpkg-reconfigure xserver-xorg
+
+# Files (usually fonts) to load
+Section "Files"
+	FontPath	"/usr/share/X11/fonts/misc"
+	FontPath	"/usr/share/X11/fonts/100dpi/:unscaled"
+	FontPath	"/usr/share/X11/fonts/75dpi/:unscaled"
+	FontPath	"/usr/share/X11/fonts/Type1"
+	FontPath	"/usr/share/X11/fonts/100dpi"
+	FontPath	"/usr/share/X11/fonts/75dpi"
+        # paths to defoma fonts
+	FontPath	"/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
+EndSection
+
+# Modules to be loaded
+Section "Module"
+	Load	"bitmap"
+	Load	"ddc"
+	Load	"dri"
+	Load	"extmod"
+	Load	"freetype"
+	Load	"glx"
+	Load	"int10"
+	Load	"type1"
+	Load	"vbe"
+	Load	"dbe"
+EndSection
+
+# Keyboard configuration
+Section "InputDevice"
+	Identifier	"Generic Keyboard"
+	Driver		"kbd"
+	Option		"CoreKeyboard"
+	Option		"XkbRules"	"xorg"
+	Option		"XkbModel"	"pc105"
+	Option		"XkbLayout"	"us"
+EndSection
+
+# Mouse configuration
+Section "InputDevice"
+	Identifier	"Configured Mouse"
+	Driver		"mouse"
+	Option		"CorePointer"
+	Option		"Device"		"/dev/input/mice"
+	Option		"Protocol"		"ImPS/2"
+	Option		"Emulate3Buttons"	"true"
+	Option		"ZAxisMapping"		"4 5"
+EndSection
+
+# Touchpad configuration
+Section "InputDevice"
+        Identifier      "Synaptics Touchpad"
+        Driver          "synaptics"
+        Option          "SendCoreEvents"        "true"
+        Option          "Device"                "/dev/psaux"
+        Option          "Protocol"              "auto-dev"
+##      Option		"HorizScrollDelta"	"0"
+# The default RightEdge is 5400; it is too narrow for me
+        Option		"RightEdge"		"5000"
+
+	# This is a potential security problem; I only enable it temporarily,
+	# to experiment and find out a comfortable RightEdge value
+#	Option		"SHMConfig"		"true"
+EndSection
+
+# Graphics card configuration
+Section "Device"
+	Identifier	"ATI Technologies, Inc. Radeon Mobility 7500 (M7 LW)"
+	Driver		"radeon"
+	BusID		"PCI:1:0:0"
+	Option		"DynamicClocks"	"on"
+	Option		"CRT2HSync"	"30-80"
+	Option		"CRT2VRefresh"	"59-75"
+  	Option		"MetaModes"	"1024x768 800x600 640x480 1024x768+1280x1024"
+	Option  "XAANoOffscreenPixmaps"	"true"
+EndSection
+
+# Monitor configuration (Mod
+Section "Monitor"
+	Identifier	"Generic Monitor"
+        VendorName   "Monitor Vendor"
+        ModelName    "Monitor Model"
+	Option		"DPMS"
+EndSection
+
+Section "Monitor"
+	Identifier	"Second Monitor"
+        VendorName   "Monitor Vendor"
+        ModelName    "Monitor Model"
+	Option		"DPMS"
+EndSection
+
+Section "Screen"
+	Identifier	"Default Screen"
+	Device		"ATI Technologies, Inc. Radeon Mobility 7500 (M7 LW)"
+	Monitor		"Generic Monitor"
+	DefaultDepth	24
+	SubSectionSub "Display"
+		Depth		16
+		Modes		"1024x768" "800x600" "640x480" "1280x1024"
+	EndSubSection
+	SubSectionSub "Display"
+		Depth		24
+		Modes		"1024x768" "800x600" "640x480" "1280x1024"
+	EndSubSection
+EndSection
+
+Section "ServerLayout"
+	Identifier	"DefaultLayout"
+	Screen		"Default Screen"
+	InputDevice	"Generic Keyboard"
+	InputDevice	"Configured Mouse"
+	InputDevice	"Synaptics Touchpad"
+EndSection
+
+Section "DRI"
+	Mode	0666
+EndSection
+
+Section "ServerFlags"
+        # MergedFB2: best for dual-head, but no compiz
+	Option		"DefaultServerLayout"	"MergedFB2Layout"
+EndSection