xorg.conf on IBM ThinkPad iSeries 1200 (1161-71J)

以前のバージョンの Xubuntu では起動時からRAM192MBを使い切ることはなかったと思うんですが、Xubuntu 8.04 でも起動時からスワップ20MBほど使用してます。Firefox 使い始めると、メモリ使用量140MB + Swap 165MB…とても快適には使えません。そこで、EcoLinux にすることにしました。
そこで、xorg.conf のメモ。主にDeviceセクションでのチューニング設定をとっときたいので。
EcoLinuxうまく動くかなあ…

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"jp106"
	Option		"XkbLayout"	"jp"
	Option		"XkbOptions"	"grp:alt_shift_toggle,grp_led:scroll"
	Option		"XkbVariant"	"106"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"	"/dev/psaux"
	Option		"Protocol"	"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "Device"
	Identifier	"Configured Video Device"
	Boardname	"Silicon Motion LynxEM+ (generic)"
	Busid		"PCI:0:2:0"
	Driver		"siliconmotion"
	Screen	0
	Vendorname	"Silicon Motion"
	Option "UseBIOS" "off"
	Option "fifo_aggressive"
#	Option "fifo_moderate"
#	Option "fifo_conservative"
	Option "pci_burst" "on"
	Option "pci_retry" "on"
	Option "AccelMethod" "EXA"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
	Vendorname	"Generic LCD Display"
	Modelname	"LCD Panel 1024x768"
	Horizsync	31.5-48.0
	Vertrefresh	56.0 - 65.0
  modeline  "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  modeline  "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  modeline  "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
	Gamma	1.0
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Configured Video Device"
	Defaultdepth	24
	SubSection "Display"
		Depth	24
		Virtual	1024	768
		Modes		"1024x768@60"	"800x600@60"	"640x480@60"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	screen		"Default Screen"
	Inputdevice	"Synaptics Touchpad"
EndSection

Section "Module"
#	Load		"GLcore"
#	Load		"v4l"
EndSection