HP ProLiant DL380 - Manual (Page 46)

Hardware options installation 46
mirroring protection) because of a single uncorrectable error. Mirroring protection is not lost because of
transient and soft uncorrectable errors, resulting in systems that maintain mirroring protection (and thus
improved uptime) unless there is a failure of both branches.
Mirrored memory FBDIMM configuration requirements (in addition to general configuration requirements):
• Banks A and B must be fully populated.
• Bank A and bank B must contain FBDIMMs with identical part numbers. If installed, bank C and
bank D must also contain FBDIMMs with identical part numbers.
When using mirrored memory mode, FBDIMMs must be populated as specified in the following table:
Configuration Bank A
1A and 3A
Bank B
5B and 7B Bank C
2C and 4C Bank D
6D and 8D
1 X X — —
2 X X X X
After installing FBDIMMs, use RBSU to configure the system for mirrored memory support (" Configuring
mirrored memory " on page 63 ).
Installing FBDIMMs
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 22 ).
2. Extend the server from the rack (on page 22 ).
3. Remove the access panel (on page 23 ).
4. Move the hard drive cables.
5. Remove the air baffle.
6. Open the FBDIMM slot latches.
7. Install the FBDIMM.
8. Install the air baffle.
9. Install the access panel (on page 24 ).