
Chapter 2 Setting Up XSCF 2-177
FIGURE 2-9 shows an example of a mixed configuration of SPARC64 VI and SPARC64 VII
processors.
FIGURE 2-9 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 2-9. And a single domain can be configured with different types of
processors, as shown in Domain 2 in
FIGURE 2-9.
A domain runs in one of the following CPU operational modes:
■ SPARC64 VI Compatible Mode (for M4000/M5000/M8000/M9000 servers only)
All processors in the domain behave like and are treated by the Oracle Solaris OS as
SPARC64 VI processors. The extended capabilities of SPARC64 VII+ and SPARC64 VII
processors are not available in this mode. Domains 1 and 2 in
FIGURE 2-9 correspond to
this mode.
■ SPARC64 VII Enhanced Mode (for M3000/M4000/M5000/M8000/M9000 servers)
All boards in the domain must contain only SPARC64 VII+ or SPARC64 VII processors.
In this mode, the server utilizes the extended capabilities of these processors. Domain 0 in
FIGURE 2-9 corresponds to this mode.
To check the CPU operational mode, execute the prtdiag(1M) command on the Oracle
Solaris OS. If the domain is in SPARC64 VII Enhanced Mode, the output will display
SPARC64-VII on the System Processor Mode line. If the domain is in SPARC64 VI
Compatible Mode, nothing is displayed on that line.
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