Seagate STT8000A Manual download pdf (Page 49)

ATAPI Interface Chapter 5

STT8000A Product Manual Page 41

Load/Unload command

Bit

Byte

76543210

0 Operation code (1Bh)

1 Reserved

2 Reserved

3 Reserved

4 Reserved Re-Ten Load

5 Reserved

LOAD (with or without Re-tension) is accepted any time a tape is present in the

drive, (even if status indicates it is already loaded). This command includes implicit

rewind and select partition 0 operations. The DSC bit is reset (0) after this command

is accepted and is set (1) when the drive has initialized and is ready. REQUEST

SENSE can then be used to verify successful command completion.

The UNLOAD option(s) re-tensions the tape (if selected) and moves the tape to the

logical BOT or EOT end (as selected), then causes the drive to report not ready to

any subsequent media access commands. Either a manual load operation or LOAD

command is required for the drive to return to ready.

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Seagate STT8000A Manual Page 49