
6.1 About This Command
The LOAD/UNLOAD command causes the CTS to load or unload
the data cartridge.
Loading a Data Cartridge
When loading a data cartridge, the CTS performs the following
actions:
1. Loads the tape in the tape path.
2. Positions the tape to the logical beginning of tape (LBOT).
Note: If your tape drive is an EXB-8505XL or EXB-8205XL and you
attempt to load a 160m tape that does not have a Recognition
System stripe (see page 3-2), the CTS automatically ejects the
data cartridge. The CTS returns Check Condition status to the
initiator with a sense key of Unit Attention (6h) and an FSC of
C5h. (All EXATAPE 160m XL 8mm data cartridges include
the Recognition System stripe.)
Unloading a Data Cartridge
When unloading a data cartridge, the CTS performs the following
actions:
1. If necessary, writes any information in the buffer to tape and, for
8200c, 8500, and 8500c format tapes, writes the EOD mark. (If
there is data in the buffer because an earlier WRITE (0Ah)
command was terminated with Check Condition status, that
data is discarded before the LOAD/UNLOAD command is
executed.)
2. Rewinds the tape to the physical beginning of tape (PBOT).
3. Unloads the tape from the tape path.
4. Ejects the data cartridge.
Note: Slightly different actions may occur when you use the unload
button instead of the UNLOAD command. Refer to page 3-3
for a description of these actions.
6-2
EXB-8205 and EXB-8505
(Standard and XL)
510503
6 LOAD/UNLOAD (1Bh)
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