4.11 Sensor/Switch Board 4 Replacement Procedures
To install the sensor/switch board, make sure that the computer is in boot mode and powered
off, follow the steps below and refer to figure 4-19.
NOTE: For installing the sensor/switch board SUMI card to the system board, refer to
4.22 System Board/RTC Battery/DC-IN Jack.
1. Connect the sensor/switch board SUMI card on the system board to PJ3200 on the
back of the sensor/switch board.
2. Seat the sensor/switch board. Attach the two holes of the board to the bosses of the
chassis.
3. Secure the sensor/switch board with the following screws.
• M2.5×2.8 FLAT HEAD screw ×2
TECRA M1 Maintenance Manual (960-436) 4-39