Checking The Memory Configuration Rules; Memory Installation Rules - Fujitsu Oracle M10-1 Service Manual

2.2 Checking the Memory Configuration
Rules
This section describes the memory installation rules and the method for checking
memory information.
2.2.1

Memory installation rules

Figure 2-4
memory installation units.
Figure 2-4 Memory installation locations and units
Install the memory in accordance with the following rules:
Configuration without memory mirroring
Install exactly 4, 8, 12, or 16 memory modules. That is, the installed memory
■
modules are in sets of 4.
Install memory of the same capacity and rank within each set of four modules.
■
You can install memory of different capacities among the sets of four modules.
■
12 Fujitsu M10-1/SPARC M10-1 Service Manual ･ June 2021
shows all memory installation locations. Groups a to d indicate 4-module
Mirroring
Mirroring
Group A (8 modules: a + b)
b
a
CPU#0
c
d
Group B (8 modules: c + d)