Please see XFree86-HOWTO(http://www.tldp.org) for further details on X-Windows. Back to Linux with the Toshiba Tecra 550CDT(toshiba_tecra550cdt_e.html)

Section "Files"
  FontPath  	"/usr/X11R6/lib/X11/fonts/misc:unscaled"
  FontPath  	"/usr/X11R6/lib/X11/fonts/local"
  FontPath  	"/usr/X11R6/lib/X11/fonts/misc:unscaled"
  FontPath  	"/usr/X11R6/lib/X11/fonts/75dpi:unscaled"
  FontPath  	"/usr/X11R6/lib/X11/fonts/100dpi:unscaled"
  FontPath  	"/usr/X11R6/lib/X11/fonts/Type1"
  FontPath  	"/usr/X11R6/lib/X11/fonts/URW"
  FontPath  	"/usr/X11R6/lib/X11/fonts/Speedo"
  FontPath  	"/usr/X11R6/lib/X11/fonts/misc"
  FontPath  	"/usr/X11R6/lib/X11/fonts/75dpi"
  FontPath  	"/usr/X11R6/lib/X11/fonts/100dpi"
  FontPath  	"/usr/X11R6/lib/X11/fonts/PEX"
  FontPath  	"/usr/X11R6/lib/X11/fonts/xtest"
  ModulePath  	"/usr/X11R6/lib/modules"
  RgbPath  	"/usr/X11R6/lib/X11/rgb"
EndSection

Section "ServerFlags"
  Option  	"AllowMouseOpenFail"
EndSection

Section "Module"
  Load  	"type1"
  Load  	"speedo"
  Load  	"extmod"
  Load  	"freetype"
#  Load  	"dri"
EndSection

Section "InputDevice"
  Driver  	"keyboard"
  Identifier  	"Keyboard[0]"
  Option 	"Protocol"  	"Standard"
  Option 	"XkbLayout"  	"us"
  Option 	"XkbModel"  	"pc102"
  Option 	"XkbRules"  	"xfree86"
  Option 	"XkbVariant"  	"nodeadkeys"
EndSection

Section "InputDevice"
  Driver  	"mouse"
  Identifier  	"Mouse[1]"
  Option 	"Device"  	"/dev/psaux"
  Option 	"Emulate3Buttons"  	"on"
  Option 	"Emulate3Timeout"  	"50"
  Option 	"InputFashion"  	"Mouse"
  Option 	"Name"  	"TouchPad"
  Option 	"Protocol"  	"ps/2"
  Option 	"Vendor"  	"Toshiba"
EndSection

Section "InputDevice"
  Driver  	"mouse"
  Identifier  	"Mouse[2]"
  Option 	"Device"  	"/dev/usbmouse0"
  Option 	"Emulate3Buttons"  	"on"
  Option 	"Emulate3Timeout"  	"50"
  Option 	"InputFashion"  	"Mouse"
  Option 	"Name"  	"USB WHEEL MOUSE"
  Option 	"Protocol"  	"Auto"
  Option 	"Vendor"  	"LOGITECH"
EndSection

Section "Monitor"
  HorizSync  	15-45
  Identifier  	"Monitor[0]"
  ModelName  	"DDC-Probed"
  VendorName  	"DDC-Probed"
  VertRefresh  	30-62
  UseModes  	"Modes[0]"
EndSection

Section "Modes"
  Identifier 	"Modes[0]"
  Modeline 	"1024x768" 59.76 1024 1040 1216 1400 768 768 774 802
  Modeline 	"800x600" 38.69 800 816 928 1072 600 600 606 626
  Modeline 	"640x480" 24.76 640 656 720 864 480 480 486 501
EndSection

Section "Screen"
  DefaultDepth	16
  SubSection "Display"
    Depth	15
    Modes  	"1024x768" "800x600" "640x480" 
  EndSubSection
  SubSection "Display"
    Depth	16
    Modes  	"1024x768" "800x600" "640x480" 
  EndSubSection
  SubSection "Display"
    Depth	24
    Modes  	"1024x768" "800x600" "640x480" 
  EndSubSection
  SubSection "Display"
    Depth	32
    Modes  	"1024x768" "800x600" "640x480" 
  EndSubSection
  SubSection "Display"
    Depth	8
    Modes  	"1024x768" "800x600" "640x480" 
  EndSubSection
  Device  	"Device[0]"
  Identifier  	"Screen[0]"
  Monitor  	"Monitor[0]"
EndSection

Section "Device"
  BoardName  	"VIRGE_MX"
  BusID  	"0:4:0"
  Driver  	"s3virge"
  Identifier  	"Device[0]"
  VendorName  	"S3"
EndSection

Section "ServerLayout"
  Identifier  	"Layout[all]"
  InputDevice	"Keyboard[0]" 	"CoreKeyboard"
  InputDevice	"Mouse[1]" 	"CorePointer"
  Option 	"Xinerama" 	"off"
  Screen	"Screen[0]"
EndSection

Section "DRI"
  Group  	"video"
  Mode   	0660
EndSection