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)
a
b
c
d
e
f
1
1
Step Screw (quantity) Color Torque
1 M2 × 2.5 mm, flat-head, nylon-coated (2) Black 0.167 Nm
(1.7 kgfcm)
(continued)
Removing and replacing a FRU
104 MT 0656, 0657, 0658, 0659, 9455, 9456, 9457, 9458, 9459, 9460, 9461, 9462, 9463, 9464, 8942, 8943, 8944, 8945, and 8947