90 lines
3.3 KiB
Groff
90 lines
3.3 KiB
Groff
.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Systems Programming Group of the University of Utah Computer
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.\" Science Department.
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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 the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)dca.4 5.2 (Berkeley) 3/27/91
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.\" $NetBSD: mfcs.4,v 1.3 1997/10/13 11:22:00 lukem Exp $
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.\"
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.Dd July 23, 1995
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.Dt MFCS 4 amiga
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.Os NetBSD 1.0a
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.Sh NAME
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.Nm mfcs
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.Nd
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.Tn BSC/AlfaData MultiFaceCard II/III
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serial communications interface
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.Sh SYNOPSIS
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.Cd "mfc0 at mainbus0"
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.Cd "mfcs0 at mfc0 unit 0"
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.Cd "mfcs1 at mfc0 unit 1"
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.Sh DESCRIPTION
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The
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.Tn MultiFaceCard II/III
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controls, among other things, a dual port
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.Tn EIA
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.Tn RS-232C
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.Pf ( Tn CCITT
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.Tn V.28 )
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communications interface with a multiple character buffer.
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.Pp
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Input and output for each MultiFaceCard III line may set to a maximum baud
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rates of 1152000. Formula for baud rate: Baud = 230400 / N with 1 < N < 65536.
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.Pp
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Input and output for each MultiFaceCard II line may set to a maximum baud
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rates of 57600. Formula for baud rate: Baud = 115200 / N with 1 < N < 65536.
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.Sh FILES
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.Bl -tag -width Pa
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.It Pa /dev/ttyA?
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It mfcs0: fifo overflow.
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The four-character input
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.Dq fifo
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has overflowed and incoming data has been lost.
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.It mfcs0: %d buffer overflows.
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The software based input ring buffer
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has overflowed %d times and incoming data has been lost.
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.El
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.Sh SEE ALSO
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.Xr tty 4
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.Sh HISTORY
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The
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.Tn Amiga
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.Nm
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device first appeared in
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.Nx 1.0a
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.Sh BUGS
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The MultiFaceCard II/III serial ports use the level 6 interrupt and may
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experience fifo overflows if the LEV6_DEFER option is used.
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