IBM RS/6000 SP - Manual (Page 89)

4. Remove power supply card.
Replacing the switch power cards
Perform these procedures to replace the switch power cards) in an SP Switch assembly:
1. Insert power supply card.
2. Rotate card thumb locks inward to seat card.
3. Plug connector P4 (PS1) or P6 (PS2).
4. Perform “Replacing a switch assembly from service position” on page 3-9 to remove the switch
assembly from the service position.
Switch
Power
Supply
Cards
1
2
Figure 4-6. Removing the SP Switch power supply cards
Chapter 4. FRU removals and replacements 4-7