1-6 SPARC Enterprise M4000/M5000 Servers Overview Guide • December 2010
FIGURE1-3 M4000 Server (Internal Rear View)
4 Power supply units (PSU) 2
5 Harddisk drives(HDD), Serial-attached SCSI (SAS) 2
6 CD-RW/DVD-RWdrive unit (DVDU) 1
7 Tapedrive unit (TAPEU), optional 1
Location
Number Component
MaximumNumber
perServer
1 60-mm fans (FAN_B) 2
2 eXtended System ControlFacility unit (XSCFU) 1
3 I/O unit—supports one PCI-X slot (lowest slot) and
four PCI Expressslots (four upper slots)
1
Location
Number Component
MaximumNumber
perServer
1
1
3
2