1.\" 2.\" Copyright (c) 1996 Jonathan Stone. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. All advertising materials mentioning features or use of this software 14.\" must display the following acknowledgement: 15.\" This product includes software developed by Jonathan Stone. 16.\" 4. The name of the author may not be used to endorse or promote products 17.\" derived from this software without specific prior written permission 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" $NetBSD: intro.4,v 1.17 2006/07/29 19:10:57 ad Exp $ 31.\" 32.Dd July 29, 2006 33.Dt INTRO 4 pmax 34.Os 35.Sh NAME 36.Nm intro 37.Nd introduction to pmax special files and hardware support 38.Sh DESCRIPTION 39This section describes the special files, related driver functions, 40and networking support available in the system. 41In this part of the manual, the 42.Tn SYNOPSIS 43section of each configurable device gives a sample specification 44for use in constructing a system description for the 45.Xr config 1 46program. 47The 48.Tn DIAGNOSTICS 49section lists messages which may appear on the console 50and/or in the system error log 51.Pa /var/log/messages 52due to errors in device operation; see 53.Xr syslogd 8 54for more information. 55.Pp 56This section contains both devices which may be configured into 57the system and network related information. 58The networking support is introduced in 59.Xr netintro 4 . 60.Sh DEVICE SUPPORT 61This section describes the hardware supported on the pmax 62(MIPS-based DECstation/DECsystem) platform. 63Software support for these devices comes in two forms. 64A hardware device may be supported with a character or block 65.Em device driver , 66or it may be used within the networking subsystem and have a 67.Em network interface driver . 68Block and character devices are accessed through files in the file 69system of a special type; see 70.Xr mknod 8 . 71Network interfaces are indirectly accessed through the interprocess 72communication facilities provided by the system; see 73.Xr socket 2 . 74.Pp 75A hardware device is identified to the system at configuration time 76and the appropriate device or network interface driver is then compiled 77into the system. 78When the resultant system is booted, the autoconfiguration facilities 79in the system probe for the device and, if found, enable the software 80support for it. 81If a device does not respond at autoconfiguration 82time it is not accessible at any time afterwards. 83To enable a device which did not autoconfigure, 84the system must be rebooted. 85.Pp 86The autoconfiguration system is described in 87.Xr autoconf 4 . 88A list of the supported devices is given below. 89.Sh SEE ALSO 90.Xr config 1 , 91.Xr autoconf 4 92.Sh SUPPORTED SYSTEMS 93The following systems are supported: 94.Pp 95.Bl -tag -width speaker -offset indent -compact 96.It DECstation 2100 and 3100 97also known as "pmax". The 2100 and 3100 differ only in CPU clock speed. 98.It DECsystem 5100 99also known as "MIPSMATE". 100.It DECstation 5000/200 101also known as "3MAX". 102The 5000/200 has a 25 MHz R3000 and is the first-generation TURBOchannel 103platform. 104.It DECstation 5000/1xx 105also known as "3MIN" or "kmin". 106The 5000/1xx comes in 20 MHz, 25 MHz, and 33 MHz versions and is 107numbered appropriately. 108Two 12.5 MHz 109TURBOchannel slots are provided. 110.It DECstation 5000/2x 111also known as "Personal DECstation" or "MAXINE". 112The 5000/xx comes in 20 MHz and 25 MHz variants. 113A baseboard 1024x786 framebuffer, and two 12.5 MHz TURBOchannel slots 114are provided. 115.It DECstation 5000/240 and DECsystem 5900 116also known as "3MAXPLUS". 117These systems have a 40 MHz R3400 CPU and three 25 MHz TURBOchannel slots. 118The 5900 is an expanded-cabinet version of the 5000/240. 119.El 120.Pp 121TURBOchannel systems (except the 5000/200) can be upgraded to an 122R4000 or R4400 CPU by upgrading the CPU daughterboard. 123.Pp 124The Qbus-based DECsystem 5400 and 5500 are not supported. 125.Pp 126The multi-processor XMI-bus DECsystem 5800 is not supported. 127.Sh LIST OF DEVICES 128The devices listed below are supported in this incarnation of the system. 129Devices are indicated by their functional interface. 130Not all supported devices are listed. 131.Pp 132.Bl -tag -width speaker -offset indent -compact 133.It asc 134NCR 53c94-based SCSI interface, either on DECstation 5000-series 135baseboard or PMAZ-AA SCSI option card. 136.It bba 137baseboard audio on 5000/xx systems. 138.It dz 139serial driver for DEC custom four-port serial device (dc7085 DZ-11 clone) 140on the baseboard of DECstation 2100/31000, 5100, and 5000/200 systems. 141.It zsc 142serial driver for Zilog SCC asynchronous/synchronous devices on the 143baseboard of DECstation 5000-series systems (excluding 5000/200). 144.It le 145Ethernet driver for baseboard or TURBOchannel option cards. 146.It ioasic 147Adaptor for the baseboard IO ASIC on second-generation TURBOchannel 148machines. 149An ioasic must be configured on a 5000/1xx, 5000/xx, and 5000/240 150if support for baseboard devices or the TURBOchannel bus is desired. 151.It wsdisplay 152Pseudo-device driver supporting glass-tty console emulation on DEC 153framebuffers, DEC mice, and LK-201 family keyboards. 154.It sii 155DEC custom SCSI adaptor on DECstation 2100, 3100, 5100, and VAXstation 3100. 156.It pm 157DECstation 2100/3100 baseboard framebuffer 158.It tc 159Adaptor for the TURBOchannel I/O expansion bus. 160This must be included if any TURBOchannel option cards are supported, 161or for the baseboard Ethernet and SCSI devices on a 5000/200. 162.It cfb 163PMAG-B TURBOchannel 1024x876 unaccelerated 2-D framebuffer. 164.It sfb 165PMAGB-BA TURBOchannel 1280x1024 accelerated framebuffer. 166.It mfb 167PMAG-AA TURBOchannel 1280x1024 mono/greyscale unaccelerated framebuffer. 168.It tfb 169PMAG-JA and PMAG-RO TURBOchannel 1280x1024 unaccelerated framebuffer. 170.It px 171PMAG-C TURBOchannel 2-D accelerated graphics board. 172.It pxg 173PMAG-D, E and F TURBOchannel 2-D/3-D accelerated graphics boards. 174.El 175.Sh UNSUPPORTED DEVICES 176The following devices are not supported, due to unavailability of 177either documentation or sample hardware: 178.Pp 179.Bl -tag -width speaker -offset indent -compact 180.It LoFi DEC Western Research Labs audio card 181.El 182.Pp 183The floppy-disk drive on the MAXINE baseboard is currently not 184supported. 185.Sh HISTORY 186This 187.Tn pmax 188.Nm intro 189appeared in 190.Nx 1.2 . 191