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B-2 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
TABLE B-1 gives the name and abbreviation of each component, and whether active
replacement and hot replacement can be applied to each, together with the chapter and the
section where the replacement procedure is explained.
For the most up-to-date information, contact a certified service engineer.
A circle symbol ( ) means a component is replaceable. A dash (—) means a component is
not replaceable.
TABLE B-1 FRU Components of the Server Models
Name: Abbreviation
Active
Replacement
Hot
Replacement Replacement Procedure
CPU/memory board unit: See B.1 CMU
*
Chapter 6
• CPU module: See B.2 CPUM
*
Chapter 6
In case of SPARC64 VI
CPUM
*
Chapter 6
In case of SPARC64
VII/SPARC64 VII+
• Memory: See B.3 MEM
*
Chapter 6
I/O unit: See B.4 IOU
*
Chapter 7
• Hard disk drive: See B.5 HDD — Chapter 12
• PCI cassette: See B.6 PCICS
†
Chapter 13
• IOU Onboard Device Card: See B.7 IOUA —
‡
Chapter 13
• External I/O expansion unit connection
card: See B.8
PCIB-EX
†
Chapter 13
Crossbar Unit: See B.9 XBU_B — — Chapter 17
Clock Control Unit: See B.10 CLKU_B — — Chapter 16
XSCF unit (M8000/M9000 Servers for base
cabinet): See B.11
XSCFU_B Chapter 11
XSCF Unit (For M9000 Server Expansion
cabinet): See B.11
XSCFU_C Chapter 11
CD-RW/DVD-RW drive unit: See B.12 DVDU Chapter 14
Tape drive unit: See B.13 TAPEU Chapter 15
Operator Panel: See B.14 OPNL — — Chapter 10
Sensor Unit: See B.15 SNSU — — Chapter 21
Power supply unit: See B.16 PSU
**
Chapter 9