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Appendix A System Configuration A-7
A maximum of 16 CMUs (64 CPU chips / 128 cores) and 16 IOUs can be mounted in
this model. A total of 128 core expansion is possible. The primary units such as the
CMU, IOU, power supply unit, and FAN unit are common among the SPARC
Enterprise servers. This is a floor-stand type. (128 cores for the SPARC64 VI
processors, 256 cores for the SPARC64 VII processors)
TABLE A-3 System Configuration for M9000 with Expansion Cabinet
Unit Number Comments
Cabinet
2 Connected by cables
CMU
2 to 16
1 to 8 per cabinet
CPU module
2 or 4
• In case of SPARC64 VI processor
2.28 GHz, L2 cache 5M bytes
2.4 GHz, L2 cache 6M bytes
Two CPU cores per CPU chip
Two threads per CPU core (four threads per CPU
module)
Maximum of 256 threads per system
• In case of SPARC64 VII processor:
2.52 GHz, L2 cache 6M bytes
2.88 GHz, L2 cache 6M bytes
Four CPU cores per CPU chip
Two threads per CPU core (eight threads per CPU
module)
Maximum of 512 threads per system
Memory module (DIMM)
16 or 32
1 rank:DIMM-1GB, DIMM-2GB, DIMM-4GB
2 rank:DIMM-2GB, DIMM-4GB, DIMM-8GB
In case of DIMM-2GB, the maximum is 1024
GB/system.
IOU
2 to 16
1 to 8 per cabinet
PCI cassette (card feeding adaptor)
8
At maximum, 128 cassettes per system