Lenovo ThinkPad T61 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 Accelerometer chip for the HDD Active Protection System™ b Security chip c CPU d Video chip e MCH (Memory Controller Hub) f ICH (I/O Controller Hub) c d e f b a Table 34. Removal steps of system board, PC Card/ExpressCard 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) 106 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual

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a
b
c
d
e
f
Table
34.
Removal
steps
of
system
board,
PC
Card/ExpressCard
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)
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
Accelerometer
chip
for
the
HDD
Active
Protection
System
™
±b²
Security
chip
±c²
CPU
±d²
Video
chip
±e²
MCH
(Memory
Controller
Hub)
±f²
ICH
(I/O
Controller
Hub)
106
ThinkPad
T61
and
T61p
(15.4-inch
widescreen)
Hardware
Maintenance
Manual