Installation guide

About the PCI-SB StarFabric® PCI Interface Card
2-12 PCI-SB StarFabric PCI Interface Card Installation Guide
most bridge in the expansion bus topology. It provides the interface from the pri-
mary bus to the switch fabric and all downstream or secondary StarFabric-enabled
devices. The Root bridge initiates resets and enumerates (numerically identifies)
all the downstream nodes configured as Leaf nodes in the switch fabric. See “Leaf
Mode” on page 2-13 for details on Leaf operation.
Remote devices include an expansion chassis with a PICMG card interface or an
XP-SG Series expansion chassis. Remote StarFabric-enabled devices may require
clocking and bus arbitration from an external source.