HP ThinkPad T43 Hardware Maintenance Manual page 140

All manuals and user guides at all-guides.com
Removing and replacing a FRU
Important notice for handling the system board:
The security chip a is soldered on the underside of the
system board as in this figure.
a
The accelerometer chip for the HDD Active Protection
System b is also soldered on the topside of the system
board.
b
134
MT 2668/2669/2678/2679/2686/2687