D20 Rio Bus Adapter Assembly - IBM eserver pSeries 7311 D10 Service Manual

D20 RIO Bus Adapter Assembly

Before performing this procedure, read "Safety Considerations" on page 53.
In the following RIO bus adapter removal and replacement procedures, the RIO bus
adapter assembly will be referred to as the RIO adapter.
RIO Bus Adapter Removal
To remove the RIO adapter from the subsystem, do the following:
1. Open the rack front door.
2. Shut down the system as described in "Stopping the System" on page 55.
3. Put the Model D20 subsystem into the service position.
4. Disconnect the power source from the system.
Note: This system may be equipped with a second power supply. Before
5. Open the service access cover as described in "Opening the Service Access
Cover" on page 127.
6. Disconnect the RIO-G cables from the RIO connectors located on the rear of the
subsystem.
7. Identify, then disconnect and label all cables that cross over the top of the RIO
adapter. These cables may interfere with the removal and installation of the RIO
adapter.
8. Release the retention latches located on top of the RIO adapter.
9. Simultaneously, lift both retention handles.
10. Pivot the retention handles up until they are perpendicular (90 degrees) to the top
of the RIO adapter.
Note: By placing the handles perpendicular to the top of the RIO adapter, the
11. Remove the RIO adapter from the subsystem chassis and put it in a safe place.
continuing with this procedure, ensure that the power source to the system
has been completely disconnected.
base or hinged portion of each handle acts as a cam and will gently pry the
RIO adapter up, disconnecting it from its docking connector.
Chapter 8. Removal and Replacement Procedures
139