1.\" Copyright (c) 1980, 1991 Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)fl.4 6.3 (Berkeley) 3/27/91 33.\" $Id: fl.4,v 1.2 1993/08/01 07:36:21 mycroft Exp $ 34.\" 35.Dd March 27, 1991 36.Dt FL 4 vax 37.Os BSD 4 38.Sh NAME 39.Nm fl 40.Nd console floppy interface 41.Sh DESCRIPTION 42This is a simple interface to the 43.Tn DEC 44.Tn RX01 45floppy disk unit, which is part of the console 46.Tn LSI-11 47subsystem for 48.Tn VAX-11/780 Ns s . 49Access is given to the entire 50floppy consisting of 77 tracks of 26 sectors of 128 bytes. 51.Pp 52All I/O is raw; the seek addresses in raw transfers should be a multiple 53of 128 bytes and a multiple of 128 bytes should be transferred, 54as in other 55.Dq raw 56disk interfaces. 57.Sh FILES 58.Bl -tag -width /dev/floppy -compact 59.It Pa /dev/floppy 60.El 61.Sh DIAGNOSTICS 62None. 63.Sh SEE ALSO 64.Xr arff 8 65.Sh HISTORY 66The 67.Nm 68driver appeared in 69.Bx 4.0 . 70.Sh BUGS 71Multiple console floppies are not supported. 72.Pp 73If a write is given with a count not a multiple of 128 bytes then 74the trailing portion of the last sector will be zeroed. 75