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.

Accelerometer chip for the HDD Active Protection SystemTM Security chip

CPU Video chip

MCH (Memory Controller Hub) ICH (I/O Controller Hub)

c

d

e

f

b

Table 27. Removal steps system board, PC Card/ExpressCard (or PC Card/Smart Card) slots assembly

1

1

Step

Screw (quantity)

Color

Torque

 

 

 

 

 

M2 ⋅ 2.7 mm, flat-head, nylon-coated (2)

Black

0.167 Nm

 

 

 

(1.7 kgfcm)

 

 

 

 

102ThinkPad R61, R61e, and R61i (15.4-inch widescreen) Hardware Maintenance Manual

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Image 110
IBM R61E, R61I manual M2 ⋅ 2.7 mm, flat-head, nylon-coated Black 167 Nm Kgfcm