IBM RS/6000 SP Replacing the switch front chassis cable, Removing the switch supervisor card

Perform these procedures to remove the fan control cable from an SP Switch assembly:

1.Perform ªPlacing a switch assembly into service positionº on page 3-9 to place the switch assembly into the service position.

2.Unplug connectors P7, P8 and P9. Remove cable by unhooking retaining material along raceway, and unplugging the Fan connectors P2, P3, P4, P5 and P6. Using fingertip pressure, remove connector P1 by removing screws. Retain these screws for new cable installation.

3.Remove cable by unhooking retaining material along raceway.

Switch front chassis cable

5

4

3

Air flow

2

1

Figure 4-3. Removing the SP Switch fan control cable

Replacing the switch front chassis cable

Perform these procedures to replace the fan control cable in an SP Switch assembly:

1.Using fingertip pressure attach connector P1 with screws retained in the removal procedure. Route cable along raceway, hooking retaining material where needed and plugging Fan connectors P2, P3, P4, P5 and P6. Plug connectors P7, P8 and P9.

2.Perform ªReplacing a switch assembly from service positionº on page 3-9 to remove the switch assembly from the service position.

Removing the switch supervisor card

Note: Refer to ªHandling static-sensitive devicesº on page 4-1 before removing or installing ESD sensitive devices.

Attention: The hexhead retaining screws require a 4 mm socket.

Perform these procedures to remove the supervisor card from an SP Switch assembly:

1.Perform ªPlacing a switch assembly into service positionº on page 3-9 to place the switch assembly into the service position.

2.Unplug connector P5.

3.Rotate card thumb locks outward to unseat card.

4.Remove supervisor card.

4-4RS/6000 SP: SP Switch Service Guide