Color Torque Silver 0.167 Nm (1.7 Kgfcm) - Lenovo ThinkPad T61 Hardware Maintenance Manual

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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)
Bending or flexing the system board can cause ball grid array (BGA) connections to
crack (unzip).
Table 34. Removal steps of system board and PC Card/ExpressCard slots assembly
Step Screw (quantity)
M2 × 3 mm, flat-head, nylon-coated (2)
1
c
d
f
e
b a
1
1
Color
Silver
ThinkPad T61 and T61p (14.1-inch)
™
Torque
0.167 Nm
(1.7 kgfcm)
105