1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. 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.\" @(#)fl.4 8.1 (Berkeley) 6/5/93 33.\" 34.Dd June 5, 1993 35.Dt FL 4 vax 36.Os BSD 4 37.Sh NAME 38.Nm fl 39.Nd console floppy interface 40.Sh DESCRIPTION 41This is a simple interface to the 42.Tn DEC 43.Tn RX01 44floppy disk unit, which is part of the console 45.Tn LSI-11 46subsystem for 47.Tn VAX-11/780 Ns s . 48Access is given to the entire 49floppy consisting of 77 tracks of 26 sectors of 128 bytes. 50.Pp 51All I/O is raw; the seek addresses in raw transfers should be a multiple 52of 128 bytes and a multiple of 128 bytes should be transferred, 53as in other 54.Dq raw 55disk interfaces. 56.Sh FILES 57.Bl -tag -width /dev/floppy -compact 58.It Pa /dev/floppy 59.El 60.Sh DIAGNOSTICS 61None. 62.Sh SEE ALSO 63.Xr arff 8 64.Sh HISTORY 65The 66.Nm 67driver appeared in 68.Bx 4.0 . 69.Sh BUGS 70Multiple console floppies are not supported. 71.Pp 72If a write is given with a count not a multiple of 128 bytes then 73the trailing portion of the last sector will be zeroed. 74