User's Guide

1. Installing Internal Optional Devices
Express5800/R120d-1E User’s Guide
59
Chapter 2 Preparations
1.10.4
DIMM installation order
Note
 DIMM installation order in 1-CPU configuration differs from that in 2-CPU
configuration.
 If CPU2 is not installed, CPU2_DIMM1 to CPU1_DIMM6 are disabled.
Installation order depends on features to be used. See the table below.
Standard memory feature
(Independent)
Lockstep feature/
Mirroring feature
Sparing feature
DIMM number
1-CPU
configuration
2-CPU
configuration
1-CPU
configuration
2-CPU
configuration
1-CPU
configuration
2-CPU
configuration
CPU1_DIMM1 1 1 N/S N/S 1 1
CPU1_DIMM4 4 7 N/S N/S 1 1
CPU1_DIMM2 2 3 1 1 2 3
CPU1_DIMM5 5 9 2 3 2 3
CPU1_DIMM3 3 5 1 1 3 5
CPU#1
CPU1_DIMM6 6 11 2 3 3 5
CPU2_DIMM1 - 2 - N/S - 2
CPU2_DIMM4 - 8 - N/S - 2
CPU2_DIMM2 - 4 - 2 - 4
CPU2_DIMM5 - 10 - 4 - 4
CPU2_DIMM3 - 6 - 2 - 6
CPU#2
CPU2_DIMM6 - 12 - 4 - 6
N/S: Not supported, the slot is unavailable for this feature.
CPU2_DIMM 1
CPU2_DIMM 4
CPU2_DIMM 2
CPU2_DIMM 5
CPU2_DIMM 3
CPU2_DIMM 6
CPU1_DIMM 6
CPU1_DIMM 3
CPU1_DIMM 5
CPU1_DIMM 2
CPU1_DIMM 4
CPU1_DIMM 1