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Table 31. Removal steps of system board, DC-in connector cable, and ExpressCard slot
assembly
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 CPU
b Accelerometer chip for the HDD Active Protection System
™
c PCH (Platform Controller Hub)
d GPU (Graphic Processing Unit): Discrete graphics chip
Note: GPU (d) is only for the Switchable Graphics models. Integrated
Graphics models do not have GPU on the system board.
For Switchable Graphics models:
b
c
d
a
For Integrated Graphics models:
b
c
a
136 ThinkPad T410 Hardware Maintenance Manual