Installation guide

About the PCI-SB StarFabric® PCI Interface Card
2-14 PCI-SB StarFabric PCI Interface Card Installation Guide
Gateway
Gateway is the recommended operating mode for all Leaf nodes in a path routing
application. In a path routing application, one PCI-SB card is configured as the
Root bridge to provide resets and enumeration for the all the downstream nodes, as
shown in Figure 8.
FIGURE 8. Leaf Gateways Connecting Remote PCI Buses to StarFabric
All downstream nodes should be configured as Leaf Gateway nodes to connect the
remote PCI expansion buses to the StarFabric or other StarFabric-enabled devices.
CUSTOM SOFTWARE DEVELOPMENT
You must develop custom software to operate the PCI-SB card as a Leaf Gateway
in a path routing application. Use StarGen’s Fabric Primitives Library (FPL) to cre-
ate the required software. A copy of the FPL is included on the CD-ROM that
shipped with your PCI-SB card.
PCI-SB configured
as Leaf Gateway.
Requires external
clocking and bus
arbitration
XP-SG
expansion chassis
configured as Leaf
Gateway
PCI-SB card
configured as Root
bridge
PCI-SB card
configured as Root
bridge provides resets
and enumeration