XBRIDGE(4)             OpenBSD Programmer's Manual (SGI)            XBRIDGE(4)

NAME
     xbridge - XIO-PCI bridge

SYNOPSIS
     xbridge* at xbow?
     xbpci* at xbridge?
     pci* at xbpci?

DESCRIPTION
     The xbridge driver provides support for the XIO-PCI and XIO-PCI-X bridges
     commonly found on Octane and Origin family systems.

     All these systems feature at least one xbridge device to which the on-
     board devices are connected.

     xbridge devices support up to 8 different PCI devices, or two distinct
     buses of 4 PCI-X devices.  Each PCI or PCI-X device is attached to a log-
     ical xbpci device.

SEE ALSO
     intro(4), pci(4), xbow(4)

HISTORY
     The xbridge driver first appeared in OpenBSD 4.4.  Support for the PCI-X
     bridges was added in OpenBSD 4.7.

OpenBSD 4.7                    October 26, 2009                              1
