
Hardware options installation 51
Population order
For memory configurations with a single processor or multiple processors, populate the DIMM slots in the
following order:
• LRDIMM: Sequentially in alphabetical order (A through L)
• RDIMM: Sequentially in alphabetical order (A through L)
• UDIMM: A through H, sequentially in alphabetical order. Do not populate DIMM slots I through L.
After installing the DIMMs, use RBSU to configure Advanced ECC, online spare, or lockstep memory support.
Installing a DIMM
1. Power down the server (on page 16).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Do one of the following:
o Extend the server from the rack (on page 17).
o Remove the server from the rack (on page 16).
4. Remove the access panel (on page 19).
5. Remove the processor air baffle (on page 20).
6. Open the DIMM slot latches.
7. Install the DIMM.
8. Install the processor air baffle (on page 20).
9. Install the access panel (on page 19).
10. Slide the server into the rack.
11. Connect each power cord to the server.
12. Connect each power cord to the power source.
13. Power up the server (on page 16).
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