Hardware options installation 46
o
Do not populate slots C, F, or I.
• UDIMM
o First: A and B
o Last: D and E
o Do not populate slots C, F, G, H, or I.
After installing the DIMMs, use RBSU to configure the system for mirrored memory support ("Configuring
mirrored memory" on page 77).
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 (on page 19).
2. Extend the server from the rack (on page 19).
3. Remove the access panel (on page 21).
4. If installed, remove the BBWC battery pack or the FBWC capacitor pack (on page 21).
5. Remove the air baffle (on page 22).
6. Open the DIMM slot latches.
7. Install the DIMM.
8. Install the air baffle (on page 22).
9. If removed, install the BBWC battery pack or the FBWC capacitor pack ("Installing the BBWC
battery pack or the FBWC capacitor pack" on page 58).
10. Install the access panel (on page 21).
If you are installing DIMMs in online spare, mirrored, or lock-step configuration, configure this mode in
RBSU ("HP ROM-Based Setup Utility" on page 74).
For more information about LEDs and troubleshooting failed DIMMs, see "Systems Insight Display LED
combinations (on page 14)."