I/O Unit - Fujitsu SPARC Enterprise M4000 Overview Manual

1.3.8

I/O Unit

The I/O unit is illustrated in
connected from one I/O controller. These buses support all of the systems on-board
I/O controllers in addition to the interface cards in the server.
FIGURE 1-18
Location Number
1
1-26 SPARC Enterprise M4000/M5000 Servers Overview Guide • December 2010
FIGURE 1-18
I/O Unit Location in the M4000 Server
1
Component
I/O unit
and . Four PCIe buses are
FIGURE 1-19
Maximum Number per Server
1