IBM eServer pSeries 610 6C1 Installation Manual page 59

Note: If one processor card is installed in the system, the processor must be
installed in the processor card 1 connector.
Processor Card 1
Connector
Memory Card
Connector
10. Close the retention latches securing the card into the connector.
11. If you have other options to install, refer to "Option List" on page 36.
If you do not have other options to install, replace the processor and memory card
cover as described in "Removing and Replacing Processor and Memory Card
Cover" on page 41.
12. Replace the system unit covers as described in "Replacing the Service Access
Covers" on page 77.
Processor Card 2
Connector
Chapter 3. Installing Options in Your System
43