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XBRIDGE(4) Device Drivers Manual (sgi) XBRIDGE(4)

xbridge, xbpciXIO-PCI bridge

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

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 logical xbpci device.

intro(4), pci(4), xbow(4)

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

November 21, 2015 OpenBSD-6.3