IBM QS21 - BladeCenter - 0792 Installation And User Manual page 44

Figure 18. SAS expansion card handling areas
Complete the following steps to install the SAS expansion card:
1. Shut down the BladeCenter QS21.
2. Remove the BladeCenter QS21 from the BladeCenter unit.
3. Open the top cover.
4. Locate the two SAS expansion card connectors at locations J22 and JFC_18
Connectors
for SAS
expansion card
Figure 19. SAS expansion card connector and ball stud location
5. Locate the connectors and the ball socket on the SAS card.
Figure 20. SAS expansion card reverse side
6. Align the connectors on the system board with the connector on the SAS card.
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QS21 Installation and User's Guide
Handling areas
and the ball stud on the system board.
Connectors
Ball socket
Ball stud