Toshiba S4 manual Installing the System board

4.22 System board 4 Replacement Procedures

Installing the System board

To install the system board, follow the steps below and refer to Figure 4-35 to 4-39.

1.Install the north bridge IC heat sink in place (back of the system board) and secure it with the following screws.

• M2⋅4S S-FLAT HEAD screw ⋅2

2.Install the PC card slot in place (back of the system board) and secure it with the following screws.

•	M2⋅8B	S-FLAT HEAD screw	⋅2
•	M2⋅3S	S-FLAT HEAD screw	⋅2

3.Connect the HDD cable to the connector CN1850 on the back of the system board.

4.Install the system board from the left side and secure it with the following screw.

• M2.5⋅6S Tapping screw ⋅1

5.Install the HDD cable of the HDD connector side to the slot. (Pass the HDD cable under the guide.)

6.Install the HDD cable holder and secure it with the following screw.

• M2.5⋅6S Tapping screw ⋅1

TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 4-55