Lenovo THINKPAD X100E Hardware Maintenance Manual page 101

Table 20. Location of major sensitive components on the system board
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
North Bridge
c
CPU
d
South Bridge
c
a b
d
Removing and replacing a FRU
™
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