mu(4)mu(4)Namemu - TM78/TU78/9 magnetic tape interface
master mt0 at mba? drive ?
tape mu0 at mt0 slave 0
Prior to Version 2.0, this device was referenced by
The TM78/TU78/9 combination provides a standard tape drive interface as
described in Only 1600 and 6250 bpi are supported; the TU78/9 runs at
125 ips and autoloads tapes.
Only the raw tape is supported.
mu%d: no write ring.
An attempt was made to write on the tape drive when no write ring was
mu%d: not on line.
An attempt was made to access the tape while it was off line.
mu%d: hard error bn%d.
A tape error occurred at block bn. When possible, the driver will have
retried the operation that failed several times before reporting the
error. Additional register information may be gathered from the system
error log file,
mu%d: blank tape.
An attempt was made to read a blank tape (a tape without even end-of-
mu%d: off line.
During an I/O operation, the device was set off line.
See Alsomtio(4), nbuf(4), MAKEDEV(8), uerf(8)