1.\" Copyright (c) 1998, 1999, Nicolas Souchu 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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/vpo.4,v 1.9.2.3 2001/08/17 13:08:40 ru Exp $ 26.\" $DragonFly: src/share/man/man4/vpo.4,v 1.8 2007/05/17 08:19:01 swildner Exp $ 27.\" 28.Dd March 5, 1998 29.Dt VPO 4 30.Os 31.Sh NAME 32.Nm vpo 33.Nd parallel to SCSI interface driver 34.Sh SYNOPSIS 35.Cd "device vpo" 36.Pp 37For one or more SCSI busses: 38.Cd "device scbus0 at vpo0" 39.Sh DESCRIPTION 40The primary purpose of the 41.Nm 42driver is to provide access to the Adaptec AIC-7110 SCSI controller built 43in the Iomega ZIP drive. 44But it should also work with the Iomega Jaz Traveller 45parallel to SCSI interface. 46.Pp 47The driver has been extended to the ZIP+ drive which is based on the 48Iomega Matchmaker Parallel to SCSI interface. 49.Sh USAGE 50The driver should let you use a printer connected to the drive while 51transferring data. 52.Pp 53DOS, 54.Dx 55or 56.Fx 57filesystems are supported. 58When mounting a DOS filesystem or 59formatting a 60.Dx 61or 62.Fx 63filesystem, check the slice of the disk with the 64.Xr fdisk 8 65utility. 66.Pp 67In order to unixify a ZIP disk, put the following in /etc/disktab: 68.Bd -literal 69zip|zip 100:\\ 70 :ty=removable:se#512:nc#96:nt#64:ns#32:\\ 71 :pa#196608:oa#0:ba#4096:fa#512:\\ 72 :pb#196608:ob#0:bb#4096:fb#512:\\ 73 :pc#196608:oc#0:bc#4096:fc#512: 74.Ed 75.Pp 76and use 77.Xr disklabel 8 . 78.Pp 79If you have trouble with your driver, your parallel chipset may not run 80properly at the detected mode (NIBBLE, PS2 or EPP). Tune the 81.Xr ppc 4 82bootflags to force other modes. 83.Sh SEE ALSO 84.Xr da 4 , 85.Xr lpt 4 , 86.Xr ppbus 4 , 87.Xr ppc 4 , 88.Xr scsi 4 89.Sh HISTORY 90The 91.Nm 92manual page first appeared in 93.Fx 3.0 . 94.Sh AUTHORS 95This 96manual page was written by 97.An Nicolas Souchu . 98.Sh BUGS 99During boot, the driver first tries to detect a classic ZIP, then a ZIP+. 100The ZIP+ detection is intrusive and may send erroneous characters to your 101printer if the drive is not connected to your parallel port. 102