1.\" $NetBSD: lpt.4,v 1.4 2001/06/05 12:30:47 wiz Exp $ 2.\" 3.\" Copyright (c) 1993 Christopher G. Demetriou 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed for the 17.\" NetBSD Project. See http://www.netbsd.org/ for 18.\" information about NetBSD. 19.\" 4. The name of the author may not be used to endorse or promote products 20.\" derived from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 34.\" 35.Dd November 28, 1999 36.Dt LPT 4 mvme68k 37.Os 38.Sh NAME 39.Nm lpt 40.Nd parallel port driver 41.Sh SYNOPSIS 42.Cd "lpt0 at pcc? ipl 1 43.Cd "lpt0 at pcctwo? ipl 1 44.Sh DESCRIPTION 45This driver provides access to parallel ports. The bits in the minor 46number select various features of the driver. 47.Pp 48.Bl -column "Minor Bit" "Functionxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -offset indent 49.It Sy Pa "Minor Bit" Function 50.It 128 Use the interruptless driver. (polling) 51.It 64 Do not initialize the device on the port. 52.It 32 Automatic LF on CR. 53.It 16 Select 1.6uS strobe pulse width (default is 6.4uS) 54.El 55.Sh FILES 56.Bl -tag -width "/dev/lpt0xx" -compact 57.It Pa /dev/lpt0 58interrupt-driven parallel port device 59.It Pa /dev/lpa0 60polled parallel port device 61.El 62.Sh SEE ALSO 63.Xr pcc 4 , 64.Xr pcctwo 4 65