B-4
SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
B.1
CPU/Memory Board Unit
The CPU/memory board unit (CMU) consists of a CPU memory board (CMB) with a DC-
DC converter mounted, a memory, and a CPU module (CPUM). It can be combined with an
I/O unit to configure a system (domain).
shows the CMU.
Rack-mountable dual power feed option: See
RDPF
—
—
Dual power feed option: See
—
—
—
Three-phase power feed option: See
—
—
—
* It uses the DR function. It is available in the configuration in which all the XSB on the target FRU can be detached by DR function.
† It uses the PHP function. Depending on the PCI card usage, it requires the multi-path setting.
‡ Active replacement of an IOU onboard device card (IOUA) is not possible, but active replacement of an I/O unit (IOU) as a whole is possible.
**In case of the unit error, replace one unit at a time. When N+1 redundancy is lost, cold replacement will be necessary.
††In case of the unit error, replace one unit at a time.
TABLE B-1
FRU Components of the Server Models
(Continued)
Name:
Abbreviation
Active
Replacement
Hot
Replacement
Replacement Procedure
Summary of Contents for SPARC Enterprise M8000
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Page 27: ...Chapter 1 Safety and Tools 1 5 M9000 Server Front View ...
Page 29: ...Chapter 1 Safety and Tools 1 7 Power Supply Unit PSU ...
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Page 205: ...Chapter 7 I O Unit IOU Replacement 7 13 FIGURE 7 8 Removing the IOU Front of M9000 1 1 2 3 ...
Page 227: ...Chapter 8 FAN Unit Replacement 8 11 FIGURE 8 9 Removing the FAN Unit Rear of M8000 1 2 ...
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