NEC 1080Xd - Manual (Page 200)

B-2 Memory Upgrade
This appendix provides the memory configuration and installation information
for your server.
!
CAUTION
Memory upgrades for your server require installation and
configuration by trained NEC personnel.
Memory Configurations
Each CELLV Board supports up to 16 DIMMs in the following configurations:
! Memory must be installed in groups of 4 DIMMs of the same capacity.
! Memory capacity can vary between different groups
! At least one group of four DIMMs is required in the system.
! Each CELLV Board supports up to 4 groups of 4 DIMMs.
! A memory group includes a group of four 1-GB DDR DIMMs for total
capacity of 4 GB in a group.
! Maximum memory capacity using 1-GB DIMMs is 16 GB per CELLV
board or 32 GB on two CELLV boards.