1. Installing Internal Optional Devices
Express5800/R120d-2E User’s Guide
65
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
CPU#1
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
CPU1_DIMM6
6
11
2
3
3
5
CPU#2
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
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
