IBM B50 - Manual (Page 164)

Activity LED and Cable Assemblies
Removal
1. If you have not already done so, remove the cover as described in “Removing
the Cover” on page 7-3.
2. Remove the front covers as described in “Front Covers” on page 7-17.
3. To remove either activity LED and cable, press the LED (A in the following
illustration) into the chassis from the front, and pull the LED and cable from
behind the front of the chassis.
A
4. Disconnect the cable from the system board.
Replacement
Replace in the reverse order.
7-20 7046 Model B50 Service Guide