User Guide

4 Replacement Procedures 4.17 I/O Board
4-62 PORTEGE M100 Maintenance Manual (960-452)
4.17 I/O Board
Removing the I/O Board
To remove the I/O Board, follow the steps below and refer to figures 4-40 and 4-41.
1. Remove five M2×4 screws securing the I/O Board.
2. Lift out the I/O Board.
CAUTION: When removing the IO board, be sure to lift up it perpendicularly and gently.
Do not to give excessive stress to the stacking connectors. Otherwise the
soldered portions of connectors may be damaged.
Figure 4-40 Removing six screws securing the I/O Board