Memory Configurations; Dimm Installation - NEC Express5800 1160Xd User Manual

This appendix provides the memory configuration and installation information
for your server.
Memory upgrades for your server require installation and
configuration by trained NEC personnel.

Memory Configurations

Each Cell Board supports up to 32 DIMMs (16 on the Cell Board and 16 on the
memory daughterboard) 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 Cell Board and daughterboard combination supports up to 8 groups
of 4 DIMMs.
!
Memory groups include:
!
Maximum memory capacity using 1-GB DIMMs is 32 GB per Cell
Board/daughterboard.

DIMM Installation

Figure B-1 shows the DIMM slot locations on the Cell Board, Figure B-2 shows
DIMM slot locations on the Memory Daughterboard. Table B-1 provides
detailed memory installation configuration information.
Note:
example, Cell Board Row #0,1, Memory Daughterboard
#0,1, Cell Board Row #2,3, etc. See the following figures
and table for the correct sequence and location.
B-2 Memory Upgrade
! CAUTION
group of four 512-MB DDR DIMMs for total capacity of 2 GB in a
group
group of four 1-GB DDR DIMMs for total capacity of 4 GB in a
group.
DIMMs must be installed in a specific order, for