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NAME    [Toc]    [Back]

     ct - CS/80 cartridge tape interface

SYNOPSIS    [Toc]    [Back]

     ct* at hpibbus? slave ? punit ?

DESCRIPTION    [Toc]    [Back]

     The cartridge tape interface as found  in  the  7912,  7914,
7946, 9144,
     9145,  and 88140 products provides a standard tape drive interface as described
 in mtio(4) with the following exceptions:

     1.   There is only one density.

     2.   Only the ``raw'' interface is supported.

     3.   The MTIOCTOP ioctl(2) is limited.  In  particular,  the
command, MTFSR
          is not supported.

     4.   The MTIOCGET ioctl(2) is not supported.

     5.    The  record size for read and write operations must be
between 1K and
          64K inclusive.

     Special files rct0 through rct3 refer to rewind on close interfaces to
     drives  0  to 3.  Files rct4 through rct7 refer to no-rewind
     Files rct8 through rct11 refer to streaming rewind on  close
     (Only  9144 type devices can stream.)  Lastly, rct12 through
rct15 refer
     to streaming no-rewind interfaces.

SEE ALSO    [Toc]    [Back]

     mt(1), cd(4), ch(4), hd(4), hpibbus(4),  intro(4),  mtio(4),
sd(4), ss(4),
     st(4), uk(4)

BUGS    [Toc]    [Back]

     Read  and  writes of less than 1024 bytes will not behave as
expected.  The
     9145 device is currently treated as a 9144.

OpenBSD      3.6                           June      9,      1993
[ Back ]
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