System Board; Removing The System Board - DEC 3000 Model 400S Installation & Owner's Manual

System Board

System Board
Removing the To remove the system board, refer to Figure 5–10 and proceed as
System Board follows:
1. Remove the I/O Board according to Removing the I/O Board.
2. Remove all MMBs with SIMMs installed according to
3. Unplug the power cable connectors
4. Remove seven screws
5. Lift the system board
5–22 Removal and Installation Procedures
Record the position of the switches on the system
board being replaced. When replacing the board,
set switches on the new board in the same position.
Follow antistatic precautions anytime a module
is replaced in the system. Refer to Antistatic
Precautions for details.
Figure 5–7.
chassis.
Note
Caution
to the system board
fastening the system board
out of the system chassis.
.
to the