B.2 Crossbar Unit
B.2 Crossbar Unit
The crossbar units of the SPARC M10-4S and the crossbar box are crossbar switches that logically connect the CPU memory unit and I/O unit. The crossbar unit has two operation modes. One is normal mode that provides 2-way operation. The other is degraded mode that provides 1-way operation, which is half of normal mode.
Table B-2 lists the specifications of the crossbar units in the SPARC M10-4S.
Table B-2 lists the specifications of the crossbar units in the SPARC M10-4S.
Item | Description |
---|---|
Number of crossbar units | 2 |
Location | Rear of chassis |
Type of maintenance | See "Table 7-2 List of available maintenance types by FRU." |
Maintenance category | Replacement |
For the maintenance procedure, see "Chapter 15 Maintaining the Crossbar Units."
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