gold: Fix hardcoded library search path
[dragonfly.git] / share / man / man4 / man4.i386 / rc.4
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2.\" Copyright (c) 2004 Tom Rhodes
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26.\" $FreeBSD: src/share/man/man4/rc.4,v 1.5 2005/03/18 02:38:03 brueffer Exp $
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27.\"
28.Dd March 18, 2005
29.Dt RC 4
30.Os
31.Sh NAME
32.Nm rc
33.Nd RISCom/8 multiport card
34.Sh SYNOPSIS
35.Cd device isa
36.Cd device rc
37.Sh DESCRIPTION
38The
39.Tn RISCom/8
40is an eight port
41.Tn ISA
42.Tn RS-232C
43communications multiplexer with a built in
44.Tn RISC
45processor.
46It uses a block of sixteen
47.Tn I/O
48ports in the range 0x200 to 0x3f0 selectable by on-board
49switches or jumpers.
50The block must be aligned on a sixteen port boundary.
51.Pp
52This driver is mostly based on the Cirrus Logic CL-CD180 driver.
53.Sh HARDWARE
54The
55.Nm
56driver provides support for the
57.Tn SDL
58Communications
59.Tn RISCom/8
60boards.
61.Sh DIAGNOSTICS
62The following driver specific error messages
63may be reported:
64.Bl -diag
65.It "rc%d channel%d: interrupt-level buffer overflow"
66An internal buffer overflow error has occurred on
67the listed channel.
68The
69.Nm
70driver will need to be reloaded to correct this.
71.It "rc%d: Bad char chan %d"
72The channel has obtained a bad set of characters.
73.It "rc%d: Got extra chars chan %d"
74The
75.Nm
76driver got more characters than expected on the channel shown.
77.It "rc%d: data mismatch chan %d ptr %d (%d != %d)"
78Data sent from channel
79.Ar %d
80to the rx buffer was different then expected.
81.It "rc%d: channel %d command timeout, rc.c line: %d"
82A command timeout has occurred on the channel, the
83.Pa src/sys/dev/serial/rc/rc.c
84file can be consulted for more information.
85.El
86.Sh SEE ALSO
87.Xr tty 1 ,
88.Xr ttyname 3 ,
89.Xr sio 4 ,
90.Xr tty 4 ,
91.Xr comcontrol 8 ,
92.Xr getty 8
93.Pp
94.Pa http://www.sdlcomm.com
95.Sh HISTORY
96The
97.Nm
98driver first appeared in
99.Fx 2.0.5 .
100This manual page first appeared in
101.Fx 5.3 .
102.Sh AUTHORS
103This manual page was written by
104.An Tom Rhodes Aq trhodes@FreeBSD.org .