SCSI Interface Specification
SCSI Communications
AUTOLOADER LTO3 – User Reference Manual Rev. 1.01
TANDBERG DATA
Page 6 3 of 79
MODE SENSE (10 bytes)
5Ah
Reports its operating mode parameters to the
initiator.
MOVE MEDIUM (12 bytes)
A5h
Moves a cartridge from one location to another.
POSITION TO ELEMENT
(10 bytes)
2Bh
Positions a specific storage element address in
front of the tape drive.
PREVENT/ALLOW MEDIUM
REMOVAL (6 bytes)
1Eh
Prevents or allows the user from using the LCD
Import and Export or SCSI commands to add or
remove cartridges from the autoloader.
READ BUFFER (10 bytes)
3Ch
Transfers data from the autoloader's data buffer
to the initiator across the SCSI bus. Used in
conjunction with the WRITE BUFFER command
to verify SCSI bus operation.
READ ELEMENT STATUS
(12 bytes)
B8h
Reports the status of its medium transport,
storage, and data transfer elements to the
initiator.
RELEASE (6 bytes)
17h
Releases elements (or the entire unit) from
reservations previously set by the initiator using
the RESERVE command.
REQUEST SENSE (6 bytes)
03h
Returns sense data to the initiator.
RESERVE (6 bytes)
16h
Reserves specific elements within the autoloader
or the entire unit for the initiator's use.
REZERO UNIT (6 bytes)
01h
Returns Good status. Provided for software
compatibility.
SEND DIAGNOSTIC (6 bytes)
1Dh
Requests that the autoloader perform its power-
on self-test.
TEST UNIT READY (6 bytes)
00h
Informs the initiator whether it is ready to accept
all other commands.
WRITE BUFFER (10 bytes)
3Bh
Writes data received from the initiator into the
autoloader data buffer or updates the firmware
stored in its flash EEPROM. Used in conjunction
with the READ BUFFER command to verify SCSI
bus operation.
Table 7
SCSI commands supported by the autoloader
