1. Installing Internal Optional Devices
Express5800/R120e-2E User’s Guide
69
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 CPU2_DIMM6 are disabled.
Installation order depends on features to be used. See the table below.
Standard memory feature
(Independent)
Lockstep feature/
Mirroring feature
Memory 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
