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1.3
Server Components
This section describes the components of both high-end servers.
For details on each, see the SPARC Enterprise M8000/M9000 Servers Service Manual.
1.3.1
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CPU Module
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CPU/Memory Board Unit
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I/O Unit
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FAN Unit
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Power Supply Unit
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Crossbar Unit
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Clock Control Unit
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Operator Panel
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XSCF Unit
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Internal Drive Units
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Hard Disk Drive
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DVD-ROM Drive Unit/Tape Drive Unit
CPU Module
The CPU Module (CPUM) contains a SPARC64 VI CPU and a DC-DC converter
(DDC). Up to four CPU modules (CPUMs) can be mounted on a CPU/Memory unit.
The CPUM has the following features:
1-20
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The CPUM contains a SPARC64 VI, a high-performance multicore CPU that uses
the latest LSI process.
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If an unforeseen fault is detected, the SPARC64 VI CPU enables operation to
continue without interruption by using an automatic recovery function, automatic
retry function, or automatic degradation function, depending on how the system
is configured.
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A redundant DDC configuration enables continuous operation even if a DDC
fails.
SPARC Enterprise M8000/M9000 Servers Overview Guide • April 2007