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3 .\" Copyright (c) 1997 Leo Weppelman
4 .\" Copyright (c) 1997 Jonathan Stone
5 .\" Copyright (c) 1994 Christopher G. Demetriou
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37 .Dd June 6, 2000
38 .Dt INTRO 4 atari
39 .Os
40 .Sh NAME
41 .Nm intro
42 .Nd introduction to atari special files and hardware support
43 .Sh DESCRIPTION
44 This section describes the special files, related driver functions,
45 and networking support
46 available in the system.
47 In this part of the manual, the
48 .Sx SYNOPSIS
49 section of
50 each configurable device gives a sample specification
51 for use in constructing a system description for the
52 .Xr config 1
53 program.
54 The
55 .Tn DIAGNOSTICS
56 section lists messages which may appear on the console
57 and/or in the system error log
58 .Pa /var/log/messages
59 due to errors in device operation;
60 see
61 .Xr syslogd 8
62 for more information.
63 .Pp
64 This section contains both devices
65 which may be configured into the system
66 and network related information.
67 The networking support is introduced in
68 .Xr netintro 4 .
69 .Sh LIST OF PLATFORMS SUPPORTED
70 Platforms supported by the atari port:
71 .Bl -tag -width Falcon -offset indent -compact
72 .It TT030
73 A standard TT030 model with at least 4Mb of RAM.
74 .It Falcon
75 A standard Falcon with at least 4Mb of RAM. An FPU is not required as the
76 default kernels include FP-emulation support.
77 .It Hades
78 A standard Hades with either an 040 or 060 processor and at least 8 Mb of RAM.
79 .El
80 .Sh DEVICE SUPPORT
81 This section describes the hardware supported on the atari
82 (atari-clone) platform.
83 Software support for these devices comes in two forms. A hardware
84 device may be supported with a character or block
85 .Em device driver ,
86 or it may be used within the networking subsystem and have a
87 .Em network interface driver .
88 Block and character devices are accessed through files in the file
89 system of a special type; see
90 .Xr mknod 8 .
91 Network interfaces are indirectly accessed through the interprocess
92 communication facilities provided by the system; see
93 .Xr socket 2 .
94 .Pp
95 A hardware device is identified to the system at configuration time
96 and the appropriate device or network interface driver is then compiled
97 into the system. When the resultant system is booted, the
98 autoconfiguration facilities in the system probe for the device
99 and, if found, enable the software support for it.
100 If a device does not respond at autoconfiguration
101 time it is not accessible at any time afterwards.
102 To enable a device which did not autoconfigure,
103 the system must be rebooted.
104 .Pp
105 The autoconfiguration system is described in
106 .Xr autoconf 4 .
107 A list of the supported devices is given below.
108 .Sh LIST OF DEVICES
109 The devices listed below are supported in this incarnation of
110 the system. Devices are indicated by their functional interface.
111 Not all supported devices are listed, not all devices exist on all models.
112 .Pp
113 Standard builtin devices:
114 .Bl -tag -width ncrscsi -offset indent -compact
115 .It clock
116 System clock
117 .It fd
118 Floppy device as found on the Falcon/TT030
119 .It grf
120 The standard internal video as found on the Falcon and TT030.
121 .It grfet
122 The et4000-PCI video as found on the HADES
123 .It hdfd
124 Floppy device as found on the Hades (NEC 765 compatible)
125 .It isa
126 ISA I/O bus (Hades only)
127 .It kbd
128 Standard keyboard
129 .It lpt
130 Parallel port device interface
131 .It mem
132 Main memory interface
133 .It ncrscsi
134 Onboard 5380 SCSI-bus
135 .It nvr
136 Non-volatile RAM interface
137 .It pci
138 PCI I/O bus (Hades only).
139 .It ser0
140 Serial1 (when connector available).
141 .It vme
142 VME I/O bus
143 .It wd
144 IDE interface (not on TT030)
145 .It zs0
146 Serial2 and modem2 ports.
147 .El
148 .Sh SEE ALSO
149 .Xr config 1 ,
150 .Xr autoconf 4 ,
151 .Xr netintro 4
152 .Sh HISTORY
153 The
154 .Tn atari
155 .Nm intro
156 appeared in
157 .Nx 1.3 .