1. Installing Internal Optional Devices
Express5800/R120g-2M User’s Guide
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Chapter 2 Preparations
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2CPU configuration
Memory RAS Mode: Independent / Mirroring / Lockstep
Mount DIMMs to CPU1_DIMM1 to DIMM8 and CPU2_DIMM1 to DIMM8 slot, or mount DIMMs to
CPU1_DIMM1 to DIMM12 and CPU2_DIMM1 to DIMM12 slot.
Memory RAS Mode: Sparing
Mount DIMMs to CPU1_DIMM1 to DIMM12 and CPU2_DIMM1 to DIMM12 slot.
See 1.11.4 DIMM installation order.
In 1-CPU configuration (Memory RAS Mode: Independent / Mirroring / Lockstep)
DIMMs
count
Cluster On Die
feature
DIMM slot number to be installed
1 set
Not available
N/A
2 set
Available
CPU1_DIMM1 to DIMM4
3 set
Available
CPU1_DIMM1 to DIMM6
4 set
Available
(recommended)
CPU1_DIMM1 to DIMM8
5 set
Available
CPU1_DIMM1 to DIMM10
6 set
Available
(recommended)
CPU1_DIMM1 to DIMM12
In 1-CPU configuration (Memory RAS Mode: Sparing)
DIMMs
count
Cluster On Die
feature
DIMM Slot number to be installed
1 set
Not available
N/A
2 set
Not available
N/A
3 set
Available
CPU1_DIMM1 to DIMM3, CPU1_DIMM5 to DIMM7,
CPU1_DIMM9 to DIMM11
4 set
Available
(recommended)
CPU1_DIMM1 to DIMM12
In 2-CPU configuration (Memory RAS Mode : Independent / Mirroring / Lockstep)
DIMMs
count
Cluster On Die
feature
DIMM slot number to be installed
2 set
Not available
N/A
3 set
Not available
N/A
4 set
Available
CPU1_DIMM1 to DIMM4, CPU2_DIMM1 to DIMM4
5 set
Available
CPU1_DIMM1 to DIMM6, CPU2_DIMM1 to DIMM4
6 set
Available
CPU1_DIMM1 to DIMM6, CPU2_DIMM1 to DIMM6
7 set
Available
CPU1_DIMM1 to DIMM8, CPU2_DIMM1 to DIMM6
8 set
Available
(recommended)
CPU1_DIMM1 to DIMM8, CPU2_DIMM1 to DIMM8
9 set
Available
CPU1_DIMM1 to DIMM10, CPU2_DIMM1 to DIMM8
10 set
Available
CPU1_DIMM1 to DIMM10, CPU2_DIMM1 to DIMM10
11 set
Available
CPU1_DIMM1 to DIMM12, CPU2_DIMM1 to DIMM10
12 set
Available
(recommended)
CPU1_DIMM1 to DIMM12, CPU2_DIMM1 to DIMM12
In 2-CPU configuration (Memory RAS Mode: Sparing):
DIMMs
count
Cluster On Die
feature
DIMM Slot number to be installed
2 set
Not available
N/A
3 set
Not available
N/A
4 set
Not available
N/A
5 set
Not available
N/A
6 set
Available
CPU1_DIMM1 to DIMM3, CPU1_DIMM5 to DIMM7,
CPU1_DIMM9 to DIMM11
CPU2_DIMM1 to DIMM3, CPU2_DIMM5 to DIMM7,
CPU2_DIMM9 to DIMM11
7 set
Available
CPU1_DIMM1 to DIMM12,
CPU2_DIMM1 to DIMM3,CPU2_DIMM5 to DIMM7,
CPU2_DIMM9 to DIMM11
8 set
Available
(recommended)
CPU1_DIMM1 to DIMM12, CPU2_DIMM1 to DIMM12