The ThinkPad touchpad is successfully disabled under rhel5.2.

[Root @ localhost X11] # cat xorg. conf.414
# Nvidia-xconfig: X configuration file generated by nvidia-xconfig
# Nvidia-xconfig: version 1.0 (buildmeister @ builder63) Mon Mar 23 15:33:27 PST 2009
 
# Xorg configuration created by pyxf86config
 
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Synaptics" "CorePointer"
EndSection
 
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
 
Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes" #/etc/X11/xorg. cong before modification
EndSection
 
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0-33.0
VertRefresh 43.0-72.0
Option "DPMS"
EndSection
 
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
EndSection
 
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Certificate -----------------------------------------------------------------------------------------------------------------------------------
[Root @ localhost X11] # cat xorg. conf
# Nvidia-xconfig: X configuration file generated by nvidia-xconfig
# Nvidia-xconfig: version 1.0 (buildmeister @ builder63) Mon Mar 23 15:33:27 PST 2009
 
# Xorg configuration created by pyxf86config
 
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Synaptics" "CorePointer"
EndSection
 
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
 
Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes"
Option "SHMConfig" "on" # modified/etc/X11/xorg. cong
EndSection
 
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0-33.0
VertRefresh 43.0-72.0
Option "DPMS"
EndSection
 
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
EndSection
 
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Bytes ---------------------------------------------------------------------------------------------------------------------
 
# Synclient touchpadoff = 1 close the touchpad
 
# Synclient touchpadoff = 0 enable touchpad
 
Bytes ---------------------------------------------------------------------------------------------------------------------
Note:
Most people may be/dev/input/mice, which is changed to event2, because I used cat/proc/bus/input/device to view my touchpad Handlers = mouse0 event1, I changed it to event1, therefore, this value is determined based on the Handlers value of the notebook touchpad)
[Root @ localhost X11] # cat/proc/bus/input/devices
I: Bus = 0011 Vendor = 0001 Product = 0001 Version = ab41
N: Name = "AT Translated Set 2 keyboard"
P: Phys = isa0060/serio0/input0
S: Sysfs =/class/input/input0
H: Handlers = kbd event0
B: EV = 120013
B: KEY = 4 2000000 3802078 f840d001 feffffdf ffefffff ffffffff fffffffe
B: MSC = 10
B: LED = 7
 
I: Bus = 0011 Vendor = 0002 Product = 0007 Version = 0000
N: Name = "SynPS/2 Synaptics TouchPad"
P: Phys = isa0060/serio4/input0
S: Sysfs =/class/input/input1
H: Handlers = mouse0 event1
B: EV = B
B: KEY = 6420 0 70000 0 0 0 0 0 0 0 0
B: ABS = 1, 11000003
 
I: Bus = 0003 Vendor = 15d9 Product = 0a33 Version = 0100
N: Name = "USB Mouse"
P: pH = usb-0000: 00: 1d. 0-2/input0
S: Sysfs =/class/input/input2
H: Handlers = mouse1 event2
B: EV = 7
B: KEY = 70000 0 0 0 0 0 0 0 0
B: REL = 103
 
I: Bus = 0011 Vendor = 0002 Product = 000a Version = 0000
N: Name = "TPPS/2 IBM TrackPoint"
P: Phys = synaptics-pt/serio0/input0
S: Sysfs =/class/input/input3
H: Handlers = mouse2 event3
B: EV = 7
B: KEY = 70000 0 0 0 0 0 0 0 0
B: REL = 3
 
I: Bus = 0010 Vendor = 001f Product = 0001 Version = 0100
N: Name = "PC Speaker"
P: Phys = isa0061/input0
S: Sysfs =/class/input/input4
H: Handlers = kbd event4
B: EV = 40001
B: SND = 6
 
I: Bus = 0019 Vendor = 0000 Product = 0006 Version = 0000
N: Name = "Video Bus"
P: Phys =/video/input0
S: Sysfs =/class/input/input5
H: Handlers = kbd event5
B: EV = 3
B: KEY = 3f000b 0 0 0 0 0 0 0
 
I: Bus = 0019 Vendor = 0000 Product = 0006 Version = 0000
N: Name = "Video Bus"
P: Phys =/video/input0
S: Sysfs =/class/input/input6
H: Handlers = kbd event6
B: EV = 3
B: KEY = 3f000b 0 0 0 0 0 0 0