Lenovo ThinkPad R500 User Manual - Page 133
Accelerometer chip for the HDD Active Protection System, ICH I/O Controller Hub - cpu
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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 a b c d e Table 24. Removal steps system board, PC Card/ExpressCard slots (ExpressCard/Smart Card slots) assembly 1 1 Step 1 Screw (quantity) M2 × 2.7 mm, flat-head, nylon-coated (2) Color Black Torque 0.167 Nm (1.7 kgfcm) Removing and replacing a FRU 125
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.
±a²
CPU
±b²
Video chip (Discrete graphics chip models only.)
±c²
MCH (Memory Controller Hub)
±d²
ICH (I/O Controller Hub)
±e²
Accelerometer chip for the HDD Active Protection System
TM
b
c
d
e
a
Table 24. Removal steps system board, PC Card/ExpressCard slots (ExpressCard/Smart
Card slots) assembly
1
1
Step
Screw (quantity)
Color
Torque
±1²
M2
×
2.7 mm, flat-head, nylon-coated (2)
Black
0.167 Nm
(1.7 kgfcm)
Removing and replacing a FRU
125