Hardware options installation 33
o
First: A and B
o Last: D and E
o Do not populate slots C or F.
After installing the DIMMs, use RBSU to configure the system for Lockstep memory support ("Configuring
lockstep memory" on page 57).
Multi-processor Lockstep population order
For Lockstep memory mode configurations with multiple processors, populate the DIMM slots for each
processor in the following order:
• RDIMM
o First: A and B
o Next: D and E
o Do not populate slots C or F.
• UDIMM
o First: A and B
o Last: D and E
o Do not populate slots C or F.
After installing the DIMMs, use RBSU to configure the system for Lockstep memory support ("Configuring
lockstep memory" on page 57).
Installing a DIMM
CAUTION: To avoid damage to the hard drives, memory, and other system components, the
air baffle, drive blanks, and access panel must be installed when the server is powered up.
1. Power down the server ("Power down the server blade" on page 12).
2. Remove the server blade (on page 13).
3. Remove the access panel (on page 14).
4. Remove all DIMM baffles ("Remove the DIMM baffle" on page 14).
5. Open the DIMM slot latches.
