NetBSD/share/man/man4/man4.pmax/tz.4

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.\"
.\" Copyright (c) 1996 Jonathan Stone.
.\" All rights reserved.
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.\" This product includes software developed by Jonathan Stone.
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.\" $NetBSD: tz.4,v 1.4 2000/07/05 16:13:52 msaitoh Exp $
.\"
.Dd March 24, 1998
.Dt TZ 4 pmax
.Os
.Sh NAME
.Nm tz
.Nd
SCSI Common Command Set (CCS) Tape driver
.Sh SYNOPSIS
.Cd "tz0 at oldscsibus? target? drive ?"
.Sh DESCRIPTION
The
.Nm
driver provides support for SCSI Common Command Set (CCS) tape drives,
including the
.Tn DEC
.Tn TK50 ,
.Tn Exabyte
.Tn EXB-8200 ,
.Tn Archive
.Tn "Viper 150" ,
.Tn Archive
.Tn Python ,
and the
.Tn HP35450A
DAT drive.
Additional generic SCSI tape drives may work as well.
.Pp
Bits fields in the minor device number are interpreted as follows:
.Bl -tag -width xxxx
.It 0xF0
These four bits are the
.Nm
unit number.
.It 0x01
Do not rewind tape on device
.Xr close 2 .
.It 0x02
Use "high density" if the drive supports it.
.It 0x04
.Dv TZ_EXSFMK
Reserved For Future Use.
.It 0x08
Access the drive in fixed block mode - allows random access.
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr rz 4 ,
.Xr sd 4 ,
.Xr st 4 ,
.Xr cd 4 ,
.Xr ch 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Bx 4.4 .