1996-08-11 06:28:43 +04:00
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.\"
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.\" Copyright (c) 1996 Jonathan Stone.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Jonathan Stone.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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1998-03-21 02:36:55 +03:00
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.\" $NetBSD: intro.4,v 1.4 1998/03/20 23:36:55 fair Exp $
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1996-08-11 06:28:43 +04:00
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.\"
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.Dd
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.Dt INTRO 4 pmax
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.Os NetBSD 1.2
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.Sh NAME
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.Nm intro
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.Nd introduction to special files and hardware support
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.Sh DESCRIPTION
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This section describes the special files, related driver functions,
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1998-03-20 16:31:57 +03:00
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and networking support available in the system.
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1996-08-11 06:28:43 +04:00
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In this part of the manual, the
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.Tn SYNOPSIS
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1998-03-20 16:31:57 +03:00
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section of each configurable device gives a sample specification
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1996-08-11 06:28:43 +04:00
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for use in constructing a system description for the
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.Xr config 8
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program.
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The
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.Tn DIAGNOSTICS
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section lists messages which may appear on the console
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and/or in the system error log
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.Pa /var/log/messages
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1998-03-20 16:31:57 +03:00
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due to errors in device operation; see
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1996-08-11 06:28:43 +04:00
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.Xr syslogd 8
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for more information.
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.Pp
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1998-03-20 16:31:57 +03:00
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This section contains both devices which may be configured into
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the system and network related information.
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1996-08-11 06:28:43 +04:00
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The networking support is introduced in
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.Xr netintro 4 .
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.Sh DEVICE SUPPORT
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This section describes the hardware supported on the pmax
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1998-03-20 16:31:57 +03:00
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(MIPS-based DECstation/DECsystem) platform.
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Software support for these devices comes in two forms.
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A hardware device may be supported with a character or block
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1996-08-11 06:28:43 +04:00
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.Em device driver ,
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or it may be used within the networking subsystem and have a
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.Em network interface driver .
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Block and character devices are accessed through files in the file
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system of a special type; see
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.Xr mknod 8 .
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Network interfaces are indirectly accessed through the interprocess
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communication facilities provided by the system; see
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.Xr socket 2 .
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.Pp
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A hardware device is identified to the system at configuration time
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and the appropriate device or network interface driver is then compiled
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1998-03-20 16:31:57 +03:00
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into the system.
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When the resultant system is booted, the autoconfiguration facilities
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in the system probe for the device and, if found, enable the software
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support for it.
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1996-08-11 06:28:43 +04:00
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If a device does not respond at autoconfiguration
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time it is not accessible at any time afterwards.
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To enable a device which did not autoconfigure,
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the system must be rebooted.
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.Pp
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The autoconfiguration system is described in
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.Xr autoconf 4 .
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A list of the supported devices is given below.
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr autoconf 4 ,
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.Xr config 8 .
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.Sh SUPPORTED SYSTEMS
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The following systems are supported:
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1998-03-20 16:31:57 +03:00
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.Pp
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1996-08-11 06:28:43 +04:00
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.Bl -tag -width speaker -offset indent -compact
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1998-03-20 16:31:57 +03:00
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.It DECstation 2100 and 3100
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1996-08-11 06:28:43 +04:00
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also known as "pmax". The 2100 and 3100 differ only in CPU clock speed.
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1998-03-20 16:31:57 +03:00
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.It DECstation 5000/200
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also known as "3MAX".
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The 5000/200 has a 25 MHz R3000 and is the first-generation TurboChannel
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platform.
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.It DECstation 5000/1xx
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also known as "3MIN" or "kmin".
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The 5000/1xx comes in 20 MHz, 25 MHz, and 33 MHz versions and is
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numbered appropriately.
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Two 12.5 MHz
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TurboChannel slots are provided.
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.It DECstation 5000/2x
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also known as "Personal DECstation" or "MAXINE".
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The 5000/xx comes in 20 MHz and 25 MHz variants.
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A baseboard 1024x786 framebuffer, and two 12.5 MHz TurboChannel slots
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are provided.
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.It DECstation 5000/240 and DECsystem 5900
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also known as "3MAXPLUS".
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These systems have a 40 MHz R3400 CPU and three 25 MHz TurboChannel slots.
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1996-08-11 06:28:43 +04:00
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The 5900 is an expanded-cabinet version of the 5000/240.
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.El
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.Pp
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1998-03-20 16:31:57 +03:00
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TurboChannel systems (except the 5000/200) can be upgraded to an
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R4000 or R4400 CPU by upgrading the CPU daughterboard.
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These systems (5000/150, 5000/50, and 5000/260) are not supported.
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.Pp
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The DECstation 5100 and the Qbus-based DECsystem 5400 and 5500 are
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not supported.
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.Pp
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The multi-processor XMI-bus DECsystem 5800 is not supported.
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1996-08-11 06:28:43 +04:00
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.Sh LIST OF DEVICES
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1998-03-20 16:31:57 +03:00
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The devices listed below are supported in this incarnation of the system.
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Devices are indicated by their functional interface.
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1996-08-11 06:28:43 +04:00
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Not all supported devices are listed.
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.Pp
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.Bl -tag -width speaker -offset indent -compact
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.It asc
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NCR 53c94-based SCSI interface, either on DECstation 5000-series
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baseboard or PMAZ-AA SCSI option card.
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.It dc
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serial driver for DEC custom four-port serial device (dc7085 DZ-11 clone)
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1998-03-20 16:31:57 +03:00
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on the baseboard of DECstation 2100/31000, 5100, and 5000/200 systems.
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1996-08-11 06:28:43 +04:00
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.It scc
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serial driver for Zilog SCC asynchronous/synchronous devices on the
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1998-03-20 16:31:57 +03:00
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baseboard of DECstation 5000-series systems (excluding 5000/200).
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1996-08-11 06:28:43 +04:00
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.It le
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1998-03-20 16:31:57 +03:00
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Ethernet driver for baseboard or TurboChannel option cards.
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1996-08-11 06:28:43 +04:00
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.It ioasic
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1998-03-20 16:31:57 +03:00
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Adaptor for the baseboard IO ASIC on second-generation TurboChannel
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machines.
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An ioasic must be configured on a 5000/1xx, 5000/xx, and 5000/240
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if support for baseboard devices or the TurboChannel bus is desired.
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1996-08-11 06:28:43 +04:00
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.It fb
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Pseudo-device driver supporting glass-tty console emulation on DEC
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framebuffers, DEC mice, and LK-201 family keyboards.
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.It sii
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1998-03-20 16:31:57 +03:00
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DEC custom SCSI adaptor on DECstation 2100, 3100, 5100, and VAXstation 3100.
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1996-08-11 06:28:43 +04:00
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.It rz
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1998-03-20 16:31:57 +03:00
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SCSI disk driver, based on the 4.4bsd/pmax SCSI disk driver.
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1996-08-11 06:28:43 +04:00
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.It tz
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1998-03-20 16:31:57 +03:00
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SCSI tape driver, based on the 4.4bsd/pmax SCSI disk driver.
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1996-08-11 06:28:43 +04:00
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.It pm
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1998-03-20 16:31:57 +03:00
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DECstation 2100/3100 baseboard framebuffer
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1996-08-11 06:28:43 +04:00
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.It tc
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Adaptor for the TurboChannel I/O expansion bus.
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1998-03-20 16:31:57 +03:00
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This must be included if any TurboChannel option cards are supported,
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1996-08-11 06:28:43 +04:00
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or for the baseboard ethernet and SCSI devices on a 5000/200.
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.It cfb
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1998-03-20 16:31:57 +03:00
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PMAG-B TurboChannel 1024x876 unaccelerated 2-D framebuffer.
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1996-08-11 06:28:43 +04:00
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.It sfb
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1998-03-20 16:31:57 +03:00
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PMAGB-BA TurboChannel 1280x1024 unaccelerated framebuffer.
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1996-08-11 06:28:43 +04:00
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.It mfb
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1998-03-20 16:31:57 +03:00
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PMAG-AA TurboChannel 1280x1024 mono/greyscale unaccelerated framebuffer.
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1998-03-21 02:36:55 +03:00
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.It px
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PMAG-C TurboChannel 2-D accelerated graphics board
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1996-08-11 06:28:43 +04:00
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.El
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.Sh UNSUPPORTED DEVICES
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The following devices are not supported, due to unavailability of
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either documentation or sample hardware:
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.Pp
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.Bl -tag -width speaker -offset indent -compact
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.It PMAG-C accelerated 2-D framebuffer card
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.It PMAG-D accelerated 2-D framebuffer card
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.It PMAG-E accelerated 2-D framebuffer card
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.It PMAG-F accelerated 2-D framebuffer card
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.It LoFi DEC Western Research Labs audio card
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.El
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1998-03-20 16:31:57 +03:00
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.Pp
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1996-08-11 06:28:43 +04:00
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The floppy-disk drive and sound hardware on the MAXINE baseboard
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are currently not supported.
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.Sh HISTORY
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This
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.Tn pmax
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.Nm intro
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appeared with
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.Nx 1.2 .
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