Removing The Main Logic Board - DEC Digital PC 3500 System Reference Manual

Inside Your Computer

Removing the Main Logic Board

To remove the main logic board:
1. Turn off your computer and monitor.
2. Disconnect all external devices, ac power, and monitor power.
WARNING
computer and monitor or the power cords from the power outlets.
When only the front panel switches are turned off, dc logic
voltage is still present.
3. Remove the outside cover.
4. Remove the retaining bracket (short tower computers only).
5. Remove AGP graphics expansion board, if present.
6. Swing the brace away from the chassis (low profile computers only).
7. Pull up on the two latches attached to the main logic board.
8. This separates the main logic board from the backplane.
9. After sliding main logic board out half way, remove AUI/BNC network cable,
if present.
10. Carefully remove the main logic board from the chassis.
3-16
: Make sure you disconnect the power cords from the