HP Q153090901 - Manual (Page 105)

PREVENT/ALLOW MEDIUM REMOVAL 1Eh
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PREVENT/ALLOW MEDIUM REMOVAL 1Eh
PREVENT / ALLOW MEDIUM REMOVAL tells the drive to enable or disable the removal of the
cartridge.
When cartridge removal is prevented, the front panel eject button is completely disabled (though a
‘forced eject’ will still work). An Unload command issued by a host will result in CHECK
CONDITION . The sense key will be ILLEGAL REQUEST or MEDIUM REMOVAL PREVENTED .
When cartridge removal is enabled, pressing the front panel eject button or sending an Unload
command from a host will cause the media to be unloaded and ejected.
Removal prevention is on a per-host basis. All the hosts have to allow media removal for any of
them to do so.
NOTE: If a firmware upgrade is initiated over any interface, the cartridge will be ejected from
the drive regardless of the state of this command.
Pre-execution checks:
Command descriptor block:
CDB fields:
Illegal Field Reservation Deferred Error Unit Attention
7 6 5 4 3 2 1 0
0 Operation Code (1Eh)
1–3 Reserved (0)
4 Reserved (0) Prevent
5 Control
Prevent 00b Medium removal is allowed for the drive
01b Media removal is prohibited for the drive
10b, 11b Invalid