Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot frame

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.

ICH (I/O Controller Hub)

CPU

GMCH (Graphics Memory Controller Hub)

Accelerometer chip for the HDD Active Protection System

c b

d

118ThinkPad T400s Hardware Maintenance Manual

Page 126
Image 126
Lenovo 28155YU, 28155XU, 2808DKU manual Cpu