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A-4 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
A.2.2 M9000 Server (Base Cabinet)
A maximum of eight CMUs (32 CPU chips/64 cores) and eight IOUs can be mounted in the
base cabinet. A total of 64 core expansion is possible. The primary units such as the CMU,
IOU, power supply unit, and FAN unit are common among the servers. This is a floor-stand
type. (64 cores for the SPARC64 VI processors, 128 cores for the SPARC64 VII/SPARC64
VII+ processors)
IOU
1 to 4
PCI cassette (card feeding adaptor)
8
At maximum, 32 cassettes per system
Slot#0, 2, 4, 6: PCI-EX short cards or IOU onboard device
cards
Slot#1, 3, 5, 7: PCI-EX short cards or link cards
HDD
0 to 4
HDD#0, 1: Slot#0 must have an IOU onboard device card.
HDD#2, 3: Slot#4 must have an IOU onboard device card.
XSCFU
2 Duplicated configuration
FAN unit
12 N+1 fans redundant
configuration
Power supply unit
9 N+1 redundant configuration
AC section
1 In case of single-phase power
feed
Operator panel
1
CD-RW/DVD-RW drive unit
1
Tape drive unit
1Option
BP power supply (DDC)
2 Duplicated configuration
Other option
External I/O expansion unit
Single-phase and dual power feed option
Power cabinet
(three-phase power feed option: includes 2 units of AC
section)
TABLE A-1 System Configuration for M8000 Server (Continued)
Unit Number Comments