1.\" Copyright (c) 1990, 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Systems Programming Group of the University of Utah Computer 6.\" Science Department. 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" from: @(#)dca.4 5.2 (Berkeley) 3/27/91 36.\" $NetBSD: mfcs.4,v 1.6 2002/02/13 08:17:54 ross Exp $ 37.\" 38.Dd July 23, 1995 39.Dt MFCS 4 amiga 40.Os 41.Sh NAME 42.Nm mfcs 43.Nd 44.Tn BSC/AlfaData MultiFaceCard II/III 45serial communications interface 46.Sh SYNOPSIS 47.Cd "mfc0 at mainbus0" 48.Cd "mfcs0 at mfc0 unit 0" 49.Cd "mfcs1 at mfc0 unit 1" 50.Sh DESCRIPTION 51The 52.Tn MultiFaceCard II/III 53controls, among other things, a dual port 54.Tn EIA 55.Tn RS-232C 56.Pf ( Tn CCITT 57.Tn V.28 ) 58communications interface with a multiple character buffer. 59.Pp 60Input and output for each MultiFaceCard III line may set to a maximum baud 61rates of 1152000. Formula for baud rate: Baud = 230400 / N with 1 \*[Lt] N \*[Lt] 65536. 62.Pp 63Input and output for each MultiFaceCard II line may set to a maximum baud 64rates of 57600. Formula for baud rate: Baud = 115200 / N with 1 \*[Lt] N \*[Lt] 65536. 65.Sh FILES 66.Bl -tag -width Pa 67.It Pa /dev/ttyA? 68.El 69.Sh DIAGNOSTICS 70.Bl -diag 71.It mfcs0: fifo overflow. 72The four-character input 73.Dq fifo 74has overflowed and incoming data has been lost. 75.It mfcs0: %d buffer overflows. 76The software based input ring buffer 77has overflowed %d times and incoming data has been lost. 78.El 79.Sh SEE ALSO 80.Xr tty 4 81.Sh HISTORY 82The 83.Tn Amiga 84.Nm 85device first appeared in 86.Nx 1.1 87.Sh BUGS 88The MultiFaceCard II/III serial ports use the level 6 interrupt and may 89experience fifo overflows if the LEV6_DEFER option is used. 90