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 Video chip (Discrete graphics chip models only.)
c MCH (Memory Controller Hub)
d ICH (I/O Controller Hub)
e Accelerometer chip for the HDD Active Protection SystemTM
b
cd
e
a
Table24. Removal steps system board, PC Card/ExpressCard slots (ExpressCard/Smart
Card slots) assembly
1
1
Step Screw (quantity) Color Torque
1 M2 ×2.7 mm, flat-head, nylon-coated (2) Black 0.167 Nm
(1.7 kgfcm)
Removing and replacing a FRU 125