Memory Configuration Modes; Memory Mirroring - Fujitsu D3144 Technical Manual

Features
3.2.2

Memory configuration modes

The RX900 S2 supports the following memory configuration modes:
"Memory mirroring" on page 28
●
"Hemisphere mode" on page 31
●
"Memory interleaving" on page 32
●
3.2.2.1

Memory mirroring

The mirroring mode is set by the system and depends on the CPUMEMR
configuration:
Intra-CPU memory mirroring for a 4 CPUMEMR configuration
●
Inter-CPU memory mirroring for 6 and 8 CPUMEMR configurations
●
In mirroring mode, the size of the memory modules must be the same within the
following groups of DIMM slots, see
DIMM# (1B, 1D, 1F, 1H)
●
DIMM# (1A, 1C, 1E, 1G)
●
DIMM# (2B, 2D, 2F, 2H)
●
DIMM# (2A, 2C, 2E, 2G)
●
1E
1F
2A
2B
Figure 4: Grouping of DIMM slots for memory mirroring
28
figure
1H
1G
1D
B 1C
Technical Manual
4:
2H
2G
2E
2F
2D
B 2C
1A
1B
D3144, D3145, D3146 (RX900 S2)