![](/images/new-backgrounds/1167810/167810259x1.webp)
Table 25. Removal steps of system board, fan assembly, and
For ThinkPad T410s and T410si:
PCH (Platform Controller Hub)
CPU
Accelerometer chip for the HDD Active Protection System Graphic controller (only for switchable graphics models)
a
b
c
122ThinkPad T400s, T410s, and T410si Hardware Maintenance Manual