Following components soldered on the top and bottom sides of the system board
are extremely sensitive. When you service the system board, avoid any kind of
rough handling.
a Accelerometer chip for the HDD Active Protection System
b Security chip
c CPU
d MCH (Memory Controller Hub)
e ICH (I/O Controller Hub)
Top
b
Bottom
c
e
d
a
Removing and replacing a FRU
94 ThinkPad
®
X60, X60s, X61, and X61s