4 Replacement Procedures 4.18 Sound Board
Installing the Sound Board
To install the sound board, follow the steps below and refer to figure 4-28.
1. Connect the sound board SUMI card to PJ9600 and PJ9601 on the sound board.
2. Seat the sound board. When seating, insert three jacks on the sound board into the
holes of the chassis first.
3. Connect the sound board SUMI card to PJ9510 and PJ9511 on the system board.
4. Secure the sound board with the following screw.
• M2.5×6 FLAT HEAD screw ×1
4-52 Satellite A20 Maintenance Manual (960-444)