Lenovo ThinkPad R61 Hardware Maintenance Manual page 100

Removing and replacing a FRU
Following components soldered on the top side of the system board are extremely
sensitive. When you service the system board, avoid any kind of rough handling.
94
®
ThinkPad R61, R61e, and R61i (15.4-inch widescreen)
a
Accelerometer chip for the HDD Active Protection System
b
Security chip
c
CPU
d
Video chip
e
MCH (Memory Controller Hub)
f
ICH (I/O Controller Hub)
c
d
f
e
b
a
TM