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VPO(4)		       FreeBSD Kernel Interfaces Manual			VPO(4)

NAME
     vpo -- parallel to	SCSI interface driver

SYNOPSIS
     device vpo

     For one or	more SCSI busses:
     device scbus

DESCRIPTION
     The primary purpose of the	vpo driver is to provide access	to the Adaptec
     AIC-7110 SCSI controller built in the Iomega ZIP drive.  But it should
     also work with the	Iomega Jaz Traveller parallel to SCSI interface.

     The driver	has been extended to the ZIP+ drive which is based on the
     Iomega Matchmaker Parallel	to SCSI	interface.

USAGE
     The driver	should let you use a printer connected to the drive while
     transferring data.

     DOS and FreeBSD file systems are supported.  When mounting	a DOS file
     system or formating a FreeBSD file	system,	check the slice	of the disk
     with the fdisk(8) utility.

     In	order to unixify a ZIP disk, put the following in /etc/disktab:

     zip|zip 100:\
	     :ty=removable:se#512:nc#96:nt#64:ns#32:\
	     :pa#196608:oa#0:ba#4096:fa#512:\
	     :pb#196608:ob#0:bb#4096:fb#512:\
	     :pc#196608:oc#0:bc#4096:fc#512:

     and use disklabel(8).

     If	you have trouble with your driver, your	parallel chipset may not run
     properly at the detected mode (NIBBLE, PS2	or EPP). Tune the ppc(4) boot-
     flags to force other modes.

SEE ALSO
     da(4), lpt(4), ppbus(4), ppc(4), scsi(4)

BUGS
     During boot, the driver firstly try to detect a classic ZIP, then a ZIP+.
     The ZIP+ detection	is intrusive and may send erroneous characters to your
     printer if	the drive is not connected to your parallel port.

HISTORY
     The vpo manual page first appeared	in FreeBSD 3.0.

AUTHORS
     This manual page was written by Nicolas Souchu.

FreeBSD	9.2			 March 5, 1998			   FreeBSD 9.2

NAME | SYNOPSIS | DESCRIPTION | USAGE | SEE ALSO | BUGS | HISTORY | AUTHORS

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<http://www.freebsd.org/cgi/man.cgi?query=vpo&sektion=4&manpath=FreeBSD+5.0-RELEASE>

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