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.

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)

a
b

cd

ef

Removing and replacing a FRU
100 MT 6369, 6370, 6371, 6372, 8741, 8742, 8743, and 8744