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C-2 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
TABLE C-1 identifies the FRU components.
Note – If the hard disk drive is the boot device, the hard disk will have to be
replaced using cold replacement procedures. However, active replacement can be
used if the boot disk can be isolated from the Solaris OS by disk mirroring software
or other software. The procedure for isolating the hard disk drive from the Solaris
OS varies depending on whether disk mirroring software or other support software
is used. For details, see the relevant software manuals.
TABLE C-1 Midrange Server FRU Components
Component Redundant
Cold
Replacement
Hot
Replacement
Active
Replacement
Motherboard unit No Yes
Motherboard DC-DC Converter No Yes
CPU module No Yes
Memory board Yes Yes
DIMM No Yes
eXtended System Control facility unit No Yes
I/O unit No Yes
I/O DC-DC Converter No Yes
I/O DC-DC Converter Riser No Yes
PCI cassette No Yes Yes Yes
Fan Yes Yes Yes Yes
Fan backplane No Yes
Power supply unit Yes Yes Yes Yes
Busbar/I/O backplane/power backplane
(SPARC Enterprise M5000)
No Yes
I/O backplane/power backplane (SPARC
Enterprise M4000)
No Yes
Hard disk drive Yes Yes Yes Yes
Tape drive unit (optional) No Yes Yes Yes
CD-RW/DVD-RW Drive Unit (DVDU) No Yes Yes
Operator panel No Yes