Lenovo ThinkPad R500 Hardware Maintenance Manual - Page 112
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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 26. 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) 104 ThinkPad R500 (15.4-inch widescreen) Hardware Maintenance Manual
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
26.
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)
104
ThinkPad
R500
(15.4-inch
widescreen)
Hardware
Maintenance
Manual