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+.\"	$NetBSD: intro.4,v 1.11 2017/02/18 22:39:01 wiz Exp $
+.\"
+.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Tsubai Masanari and Thomas Klausner.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd February 17, 2017
+.Dt INTRO 4 macppc
+.Os
+.Sh NAME
+.Nm intro
+.Nd introduction to macppc special files and hardware support
+.Sh DESCRIPTION
+This section describes the special files, related driver functions,
+and networking support
+available in the system.
+In this part of the manual, the
+.Tn SYNOPSIS
+section of
+each configurable device gives a sample specification
+for use in constructing a system description for the
+.Xr config 1
+program.
+The
+.Tn DIAGNOSTICS
+section lists messages which may appear on the console
+and/or in the system error log
+.Pa /var/log/messages
+due to errors in device operation;
+see
+.Xr syslogd 8
+for more information.
+.Pp
+This section contains both devices
+which may be configured into the system
+and network related information.
+The networking support is introduced in
+.Xr netintro 4 .
+.Sh MACPPC DEVICE SUPPORT
+This section describes the hardware supported on the
+.Tn Power Macintosh .
+Software support for these devices comes in two forms.  A hardware
+device may be supported with a character or block
+.Em device driver ,
+or it may be used within the networking subsystem and have a
+.Em network interface driver .
+Block and character devices are accessed through files in the file
+system of a special type; see
+.Xr mknod 8 .
+Network interfaces are indirectly accessed through the interprocess
+communication facilities provided by the system; see
+.Xr socket 2 .
+.Pp
+A hardware device is identified to the system at configuration time
+and the appropriate device or network interface driver is then compiled
+into the system.  When the resultant system is booted, the
+autoconfiguration facilities in the system probe for the device
+and, if found, enable the software support for it.
+If a device does not respond at autoconfiguration
+time it is not accessible at any time afterwards.
+To enable a device which did not autoconfigure,
+the system will have to be rebooted.
+.Pp
+The autoconfiguration system is described in
+.Xr macppc/autoconf 4 .
+A list of the supported devices is given below.
+.Sh SEE ALSO
+.Xr config 1 ,
+.Xr gem 4 ,
+.Xr macppc/autoconf 4 ,
+.Xr macppc/awacs 4 ,
+.Xr macppc/bm 4 ,
+.Xr mc 4 ,
+.Xr tlp 4
+.Sh HISTORY
+The
+.Tn macppc
+.Nm intro
+man page first appeared in
+.Nx 1.5.1 ,
+based on the
+.Nx Ns /mac68k
+.Xr macppc/intro 4 .
+.Sh LIST OF DEVICES
+The devices listed below are supported in this incarnation of
+the system.
+Devices are indicated by their functional interface.
+Not all supported devices are listed.
+.Pp
+PCMCIA devices are supported through the
+.Xr pcmcia 4
+bus and associated devices.
+.Pp
+Cardbus devices are supported through the
+.Xr cardbus 4
+bus and associated devices.
+.Pp
+USB devices are supported through the
+.Xr usb 4
+bus and associated devices.
+.Pp
+Additionally, the following specific devices are supported:
+.Bl -tag -width "xxxxxxxx" -compact -offset indent
+.It Em adb
+Apple Desktop Bus event interface.
+.It Em awacs
+Audio Waveform Amplifier and Converter \(em Apple Sound Chip
+(supported systems include 603 and 604 based
+machines, and
+.Tn Open Firmware 3
+based machines).
+.It Em bm
+BMac Ethernet.
+.It Em de
+DECchip 21x4x based Ethernet cards (see also
+.Xr tlp 4 ) .
+.It Em esp
+.Tn NCR
+53C9x built-in SCSI interface.
+.It Em gm
+GMac Ethernet.
+.It Em kmem
+kernel virtual memory.
+.It Em mc
+MACE Ethernet.
+.It Em mem
+physical memory.
+.It Em mesh
+MESH built-in SCSI interface (most Old World machines up to the 1999
+series of G3 PowerBooks).
+.It Em nvram
+NVRAM access.
+.It Em ofb
+PCI based frame buffer with
+.Tn Open Firmware
+support.
+.It Em openfirm
+.Tn Open Firmware
+access.
+.It Em tlp
+DECchip 21x4x based Ethernet cards.
+.It Em wdc
+Standard on-board IDE controller.
+.It Em zsc
+.Tn Zilog
+Z8530 built-in serial interface.
+.El