The 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
Graphics processing unit (GPU)
b
Central processing unit (CPU)
c
Embedded controller
d
Accelerometer chip for the hard disk drive Active Protection System
Note: The graphics chip
a
is only for discrete-graphics models.
TM
.
Chapter 9
Removing or replacing a FRU
89