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$FreeBSD$
.Dd December 14, 2004 .Dt VPO 4 .Os .Sh NAME .Nm vpo .Nd parallel to SCSI interface driver .Sh SYNOPSIS .Cd "device vpo"
p For one or more SCSI busses: .Cd "device scbus" .Sh DESCRIPTION The .Nm driver provide access to parallel port Iomega Zip and Jaz drives. .Sh HARDWARE The .Nm driver supports the following parallel to SCSI interfaces:
p l -bullet -compact t Adaptec AIC-7110 Parallel to SCSI interface (built-in to Iomega ZIP drives) t Iomega Jaz Traveller interface t Iomega MatchMaker SCSI interface (built-in to Iomega ZIP+ drives) .El .Sh USAGE The driver should let you use a printer connected to the drive while transferring data.
p DOS and .Fx file systems are supported. When mounting a DOS file system or formatting a .Fx file system, check the slice of the disk with the .Xr fdisk 8 utility.
p In order to unixify a ZIP disk, put the following in /etc/disktab: d -literal 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: .Ed
p and use .Xr bsdlabel 8 .
p If you have trouble with your driver, your parallel chipset may not run properly at the detected mode (NIBBLE, PS2 or EPP). Tune the .Xr ppc 4 bootflags to force other modes. .Sh SEE ALSO .Xr da 4 , .Xr lpt 4 , .Xr ppbus 4 , .Xr ppc 4 , .Xr scsi 4 .Sh HISTORY The .Nm manual page first appeared in .Fx 3.0 . .Sh AUTHORS This manual page was written by .An Nicolas Souchu . .Sh BUGS During boot, the driver first tries 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.