Sun Microsystems Sun SPARC Enterprise M4000 - FIGURE 2-2 Domain Component Hardware (in Midrange and High-End Servers)

2-102 SPARC Enterprise Mx000 Servers XSCF User’s Guide • August 2009
FIGURE 2-2 Domain Component Hardware (In Midrange and High-End Servers)
Note – In the entry-level server, the number of domains is one, and the domain
fully uses the resources in the PSB
Note – FIGURE 2-3 is an XSCF-domain correlation diagram. XSCF enables domain
configuration control and DR function control by using DSCP interface and SCF
interface for XSCF-domain modules (control program) communication.
CMU/MBU
IOU
PSB
I/O
device
I/O
device
CPU CPU
Memory
Memory
CPU
Memory
CPU
Memory
I/O
device
I/O
device
DomainID X (LSB/XSB)
System
...
Domain DomainID X
XSCF