1*62968Sbostic.\" Copyright (c) 1990, 1991, 1993 2*62968Sbostic.\" The Regents of the University of California. All rights reserved. 344671Sbostic.\" 444671Sbostic.\" This code is derived from software contributed to Berkeley by 544671Sbostic.\" the Systems Programming Group of the University of Utah Computer 644671Sbostic.\" Science Department. 762967Sbostic.\" 844671Sbostic.\" %sccs.include.redist.man% 944671Sbostic.\" 10*62968Sbostic.\" @(#)ct.4 8.1 (Berkeley) 06/09/93 1144671Sbostic.\" 1247672Scael.Dd 1347672Scael.Dt CT 4 hp300 1447672Scael.Os 1547672Scael.Sh NAME 1647672Scael.Nm \&ct 1747672Scael.Nd 1847672Scael.Tn CS/80 1947672Scaelcartridge tape interface 2047672Scael.Sh SYNOPSIS 2147672Scael.Cd "tape ct0 at hpib? slave ?" 2247672Scael.Sh DESCRIPTION 2344671SbosticThe cartridge tape interface as found in the 7946 and 9144 products 2444671Sbosticprovides a standard tape drive interface as described in 2547672Scael.Xr mtio 4 2644671Sbosticwith the following exceptions: 2747672Scael.Bl -enum 2847672Scael.It 2944671SbosticThere is only one density. 3047672Scael.It 3147672ScaelOnly the 3247672Scael.Dq raw 3347672Scaelinterface is supported. 3447672Scael.It 3547672ScaelThe 3647672Scael.Dv MTIOCTOP 3747672Scael.Xr ioctl 2 3844671Sbosticis limited. 3947672ScaelIn particular, the command, 4047672Scael.Dv MTFSR 4144671Sbosticis not supported. 4247672Scael.It 4347672ScaelThe 4447672Scael.Dv MTIOCGET 4547672Scael.Xr ioctl 4647672Scaelis not supported. 4747672Scael.It 4844671SbosticThe record size for read and write operations must be between 4944671Sbostic1K and 64K inclusive. 5047672Scael.El 5147672Scael.Pp 5244671SbosticSpecial files 5347672Scael.Pa rct0 5444671Sbosticthrough 5547672Scael.Pa rct3 5644671Sbosticrefer to rewind on close interfaces to drives 0 to 3. 5747672ScaelFiles 5847672Scael.Pa rct4 5944671Sbosticthrough 6047672Scael.Pa rct7 6144671Sbosticrefer to no-rewind interfaces. 6247672ScaelFiles 6347672Scael.Pa rct8 6444671Sbosticthrough 6547672Scael.Pa rct11 6644671Sbosticrefer to streaming rewind on close interfaces. (Only 9144 type devices 6744671Sbosticcan stream.) 6847672ScaelLastly, 6947672Scael.Pa rct12 7044671Sbosticthrough 7147672Scael.Pa rct15 7244671Sbosticrefer to streaming no-rewind interfaces. 7347672Scael.Sh SEE ALSO 7447672Scael.Xr mt 1 , 7547672Scael.Xr tar 1 , 7647672Scael.Xr tp 1 , 7747672Scael.Xr mtio 4 . 7847672Scael.Sh BUGS 7944671SbosticRead and writes of less than 1024 bytes will not behave as expected. 80