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Chapter 2 System Features 2-3
FIGURE 2-1 shows an example of a mixed configuration of SPARC64 VI and SPARC64
VII processors.
FIGURE 2-1 CPUs on CPU/Memory Board Unit (CMU) and Domain Configuration
Example
Different types of processors can be mounted on a single CMU, as shown in CMU#2
and CMU#3 in
FIGURE 2-1. And a single domain can be configured with different
types of processors, as shown in Domain 2 in
FIGURE 2-1.
An M8000/M9000 server domain runs in one of the following CPU operational
modes:
■ SPARC64 VI Compatible Mode
All processors in the domain behave like and are treated by the Oracle Solaris OS
as SPARC64 VI processors. The new capabilities of SPARC64 VII or SPARC64 VII+
processors are not available in this mode. Domains 1 and 2 in
FIGURE 2-1
correspond to this mode.
■ SPARC64 VII Enhanced Mode
All boards in the domain must contain only SPARC64 VII or SPARC64 VII+
processors. In this mode, the server utilizes the new capabilities of these
processors. Domain 0 in
FIGURE 2-1 corresponds to this mode.