Filter
Top Products
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).
FIGURE B-1 shows the CMU.
Rack-mountable dual power feed option: See
B.20
RDPF — — Chapter 24
Dual power feed option: See B.19 ———
Three-phase power feed option: See B.19 ———
* 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