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. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" from: @(#)dca.4 5.2 (Berkeley) 3/27/91 32.\" $NetBSD: ser.4,v 1.6 2003/08/07 10:31:05 agc Exp $ 33.\" 34.Dd August 30, 1994 35.Dt SER 4 amiga 36.Os 37.Sh NAME 38.Nm ser 39.Nd 40.Tn Amiga 8520 41serial communications interface 42.Sh SYNOPSIS 43.Cd "ser0 at mainbus0" 44.Sh DESCRIPTION 45The 46.Tn Amiga 8520 47controls, among other things, a single port 48.Tn EIA 49.Tn RS-232C 50.Pf ( Tn CCITT 51.Tn V.28 ) 52communications interface with a single character buffer. 53Such an interface is built-in to all Amiga machines. 54.Pp 55Input and output for each line may set to one of following baud rates; 5650, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 5719200, 38400, 57600 or 76800. 58.Sh FILES 59.Bl -tag -width Pa 60.It Pa /dev/tty00 61.El 62.Sh DIAGNOSTICS 63.Bl -diag 64.It ser0: silo overflow. 65The single-character input 66.Dq silo 67has overflowed and incoming data has been lost. 68.It ser0: %d ring buffer overflows. 69The software based input ring buffer 70has overflowed %d times and incoming data has been lost. 71.El 72.Sh SEE ALSO 73.Xr tty 4 74.Sh HISTORY 75The 76.Tn Amiga 77.Nm 78device first appeared in 79.Nx 1.0 80.Sh BUGS 81Data loss is possible on busy systems with baud rates greater than 300. 82