User Guide

4 Replacement Procedures 4.17 System Board
4.17 System Board
Removing the System Board
Remove the system board according to the following procedures and Figures 4-39 and 4-40.
1. Remove the three M2.5x6 flat-head screws and selectable bay cover.
2. Disconnect the SUMI-cards from CN1002 and CN10 on the system board.
3. Remove the M2.5x6 flat-head screw and HDD case.
4. Disconnect the cable for the DC jack from CN11.
X
X
CN11
CN10
CN1002
Figure 4-39 Removing the selectable bay cover, HDD case, and cable for DC jack
CAUTION: The HDD case must be installed on the system board after the HDD case has
been placed in the correct position. If not so, parts on the board can be damaged when the
HDD case is removed.
5. Remove the three M2.5x4 black flat-head screws for fixing the system board.
6. Remove the system board.
4-58 Satellite M20 Maintenance Manual