.\"	$OpenBSD: ppb.4,v 1.3 2003/03/07 01:20:43 deraadt Exp $
.\"
.\" Copyright (c) 2003 Jason L. Wright (jason@thought.net)
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.Dd March 6, 2003
.Dt PPB 4
.Os
.Sh NAME
.Nm ppb
.Nd PCI/PCI bridge driver
.Sh SYNOPSIS
.Cd "ppb* at pci? dev ? function ?"
.Cd "pci* at ppb? bus ?"
.Sh DESCRIPTION
The
.Nm
driver supports generic
.Tn PCI Ns \- Ns Tn PCI
bridges, includes
Generic
.Tn PCI Ns \- Ns Tn PCI
bridges, including
.Tn PCI
expansion backplanes.
These devices are largely transparent and provide no user accessible
entry points.
.Pp
.Sh SEE ALSO
.Xr pci 4