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41 .Nd introduction to hpcarm special files and hardware support
43 This section describes the special files, related driver functions,
44 and networking support
45 available in the system.
46 In this part of the manual, the
49 each configurable device gives a sample specification
50 for use in constructing a system description for the
55 section lists messages which may appear on the console
56 and/or in the system error log
58 due to errors in device operation;
63 This section contains both devices
64 which may be configured into the system
65 and network related information.
66 The networking support is introduced in
69 This section describes the hardware supported on the hpcarm platform.
70 Software support for these devices comes in two forms. A hardware
71 device may be supported with a character or block
73 or it may be used within the networking subsystem and have a
74 .Em network interface driver .
75 Block and character devices are accessed through files in the file
76 system of a special type; see
78 Network interfaces are indirectly accessed through the interprocess
79 communication facilities provided by the system; see
82 A hardware device is identified to the system at configuration time
83 and the appropriate device or network interface driver is then compiled
84 into the system. When the resultant system is booted, the
85 autoconfiguration facilities in the system probe for the device
86 and, if found, enable the software support for it.
87 If a device does not respond at autoconfiguration
88 time it is not accessible at any time afterwards.
89 To enable a device which did not autoconfigure,
90 the system must be rebooted.
92 The autoconfiguration system is described in
94 A list of the supported devices is given below.
96 The hpcarm port supports
98 based Windows\ CE PDA machines.
99 The current supports models are:
102 .Bl -bullet -offset indent -compact
104 HP Jornada 710, 720, 728, 820
108 .Bl -bullet -offset indent -compact
114 The devices listed below are supported in this incarnation of the system.
115 Devices are indicated by their functional interface.
116 Not all supported devices are listed.
118 Standard SA-11x0 on-chip peripheral devices:
119 .Bl -tag -width "xxxxxxxx" -compact -offset indent
121 Serial communication interface
125 Bus for integrated peripheral devices
127 Operating System timer
131 .Bl -tag -width "xxxxxxxx" -compact -offset indent
133 Aironet 4500/4800 and Cisco 340/350 wireless network devices
135 3Com EtherLink III Ethernet devices
137 NE2000 and compatible Ethernet devices
139 WaveLAN/IEEE and PRISM-II 802.11 wireless network devices
143 .Bl -tag -width "xxxxxxxx" -compact -offset indent
145 LCD screen control of the HP Jornada 7xx series machines
147 Touch screen of the HP Jornada 7xx series machines
154 This manual page is incomplete.