IBM ThinkPad T41 series User Manual

v System board without IBM security chip (bottom view)
Begin by checking the FRU number of the system board,
and be sure to use the correct system board for the
computer. For the FRU numbers, see “Parts list” on
page 142.
Important
If the ThinkPad computer you are servicing has a
security chip, bear the following in mind:
v Do not remove the security chip from the
system board. If the security chip is removed by
accident, reinstall it on the system board
immediately. Make sure that it is firmly fixed on
the system board and does not move easily.
v The security chip cannot be used with any other
system board.
v The system board cannot be used with any other
security chip.
v The system board cannot be used without the
security chip.
v If you return a defective system board, you must
check whether the security chip is embedded. If it
is not, the board may not be covered under
warranty.
Removing and replacing a FRU
ThinkPad T40, T40p, T41 Series 109

IBM ThinkPad T41 series Specifications

General

Operating System	Windows XP Professional
Weight	2.2 kg (4.9 lbs)
Chipset	Intel 855PM
Processor	Intel Pentium M
Display	14.1 inch
RAM	256 MB to 2 GB
Storage	30 GB to 80 GB HDD
Dimensions	311 x 255 x 26-30 mm
Display Resolution	1024x768 (XGA) or 1400x1050 (SXGA+)
Optical Drive	DVD-ROM, CD-RW/DVD-ROM Combo
Wireless	802.11b or 802.11g
Ethernet	10/100 Mbps
Battery	6-cell Li-Ion
Networking	Modem and Ethernet
Ports	2 USB 2.0, VGA, parallel, serial, infrared
Graphics	ATI Mobility Radeon 7500
Hard Drive Interface	Ultra ATA/100