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2.1 Identifying the Names and Locations of Components


2.1 Identifying the Names and Locations of Components
This section describes the names and locations of the components mounted in the SPARC M10-4/M10-4S.
Components that can be accessed from the front
You can access the fan unit and power supply unit only after removing the front cover.
Figure 2-1  Locations of components that can be accessed from the front
Figure 2-1  Locations of components that can be accessed from the front
Location number  Component
Fan unit
Internal disk
3 Power supply unit
Components that can be accessed from the rear
Figure 2-2  Locations of components that can be accessed from the rear
Figure 2-2  Locations of components that can be accessed from the rear
Location number Component
PCI-Express (PCIe) card cassette
Crossbar unit (Only for the SPARC M10-4S. The SPARC M10-4 incorporates three PCIe card cassettes.)
Internal components
To access internal components, remove the CPU memory unit from the chassis.
Figure 2-3  Locations of internal components
Figure 2-3  Locations of internal components
Figure 2-4  CPU memory unit removed from the chassis
Figure 2-4  CPU memory unit removed from the chassis
Location number Component
1 CPU memory unit upper
2 CPU memory unit lower
3 Memory (CPU memory unit upper)
4 PSU backplane unit
5 Operation panel
Note - Two CPUs are directly installed on each of the CPU memory unit upper and CPU memory unit lower. Thus you cannot replace the CPUs individually.