.\"	$OpenBSD: ppb.4,v 1.10 2015/06/03 15:43:55 mpi Exp $
.\"
.\" Copyright (c) 2003 Jason L. Wright (jason@thought.net)
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.Dd $Mdocdate: June 3 2015 $
.Dt PPB 4
.Os
.Sh NAME
.Nm ppb
.Nd PCI-PCI bridge
.Sh SYNOPSIS
.Cd "ppb* at pci?"
.Cd "pci* at ppb?"
.Sh DESCRIPTION
The
.Nm
driver supports generic PCI-PCI bridges,
including PCI expansion backplanes.
These devices are largely transparent and provide no user accessible
entry points.
.Sh SEE ALSO
.Xr pci 4