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: ser.4,v 1.5 2001/09/11 22:52:55 wiz Exp $ 37.\" 38.Dd August 30, 1994 39.Dt SER 4 amiga 40.Os 41.Sh NAME 42.Nm ser 43.Nd 44.Tn Amiga 8520 45serial communications interface 46.Sh SYNOPSIS 47.Cd "ser0 at mainbus0" 48.Sh DESCRIPTION 49The 50.Tn Amiga 8520 51controls, among other things, a single port 52.Tn EIA 53.Tn RS-232C 54.Pf ( Tn CCITT 55.Tn V.28 ) 56communications interface with a single character buffer. 57Such an interface is built-in to all Amiga machines. 58.Pp 59Input and output for each line may set to one of following baud rates; 6050, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 6119200, 38400, 57600 or 76800. 62.Sh FILES 63.Bl -tag -width Pa 64.It Pa /dev/tty00 65.El 66.Sh DIAGNOSTICS 67.Bl -diag 68.It ser0: silo overflow. 69The single-character input 70.Dq silo 71has overflowed and incoming data has been lost. 72.It ser0: %d ring buffer overflows. 73The software based input ring buffer 74has overflowed %d times and incoming data has been lost. 75.El 76.Sh SEE ALSO 77.Xr tty 4 78.Sh HISTORY 79The 80.Tn Amiga 81.Nm 82device first appeared in 83.Nx 1.0 84.Sh BUGS 85Data loss is possible on busy systems with baud rates greater than 300. 86