30
Technical Manual
D3081, D3131, D3082 (RX900 S1)
Features
3.2.2
Memory configuration modes
The RX900 S1 supports the following memory configuration modes:
●
"Memory mirroring" on page 30
●
"Hemisphere mode" on page 33
●
"Memory interleaving" on page 34
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
figure 5
:
●
DIMM# (1B, 1D, 1F, 1H)
●
DIMM# (1A, 1C, 1E, 1G)
●
DIMM# (2B, 2D, 2F, 2H)
●
DIMM# (2A, 2C, 2E, 2G)
Figure 5: Grouping of DIMM slots for memory mirroring
B
1C
1D
1E
1F
1G
1H
1A
1B
B
2C
2D
2E
2F
2G
2H
2A
2B