Lenovo ThinkPad R500 User Manual - Page 130
placement with the small projection, When attaching the system board to the frame, adjust
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Table 23. Removal steps of structure frame and IEEE 1394 sub card (continued) 8 7 7 7 7 a Step 7 Screw (quantity) Color M2 × 3.5 mm, bind-head, nylon-coated (4) Black 8 M2 × 9.5 mm, flat-head, nylon-coated (1) Black Torque 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) When installing: When attaching the system board to the frame, adjust the placement with the small projection a . Then secure the system board with the screws. 122 ThinkPad R500 Hardware Maintenance Manual
Table 23. Removal steps of structure frame and IEEE 1394 sub card (continued)
7
7
7
7
8
a
Step
Screw (quantity)
Color
Torque
±7²
M2
×
3.5 mm, bind-head, nylon-coated (4)
Black
0.167 Nm
(1.7 kgfcm)
±8²
M2
×
9.5 mm, flat-head, nylon-coated (1)
Black
0.167 Nm
(1.7 kgfcm)
When installing:
When attaching the system board to the frame, adjust the
placement with the small projection
±a²
. Then secure the system board with the
screws.
122
ThinkPad R500 Hardware Maintenance Manual