Lenovo ThinkPad T61 Hardware Maintenance Manual page 106

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.
100
MT 6463, 6464, 6465, 6466, 6467, 6478, and 6471
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