A-2 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
EQUATION A-1 Examples of CPUM Configuration
■ Memory Module (DIMM)
Mount DIMMs in sets of 16 DIMMs on the CMU.
Mount memory modules of the same size and rank in each group.
■ I/O Unit (IOU)
When mounting an IOU, also mount the CMU whose component number represents the
same mounting location as the IOU.
Example: Be sure to mount IOU#1 together with CMU#1.
A.2 System Configuration
TABLE A-1 to TABLE A-3 outline the system configuration. These tables do not include some
types of back plane.
A.2.1 M8000 Server
Up to four CMUs (16 CPU chips/32 cores) and four IOUs can be mounted on this model. A
total of 32 core expansion is possible. The primary units such as the CMU, IOU, power
supply unit, and FAN unit are common among the servers. The model is a floor-stand type,
with an equipment rack space provided at the top. (32 cores for the SPARC64 VI processors,
64 cores for the SPARC64 VII/SPARC64 VII+ processors)
CPU1-SPARC64 VI
CPU0-SPARC64 VI
CPU2-SPARC64 VI
CPU2-SPARC64 VI
CPU1-SPARC64 VI
CPU0-SPARC64 VI
CPU2-SPARC64 VII
CPU3-SPARC64 VII
CPU1-SPARC64 VII+
CPU0-SPARC64 VII+
CPU2-SPARC64 VI
CPU3-SPARC64 VI
CPU1-SPARC64 VII
CPU0-SPARC64 VII
CPU2-SPARC64 VII+
CPU3-SPARC64 VII+