User's Guide
Table Of Contents
- Preface
- Theory of Operation
- Media Changer Commands
- Overview of Command and Status Processing
- Media Changer Command Descriptions
- Initialize Element Status Command (07h)
- Inquiry Command (12h)
- Load Unload Command (1Bh)
- Log Sense Command (4Dh)
- Mode Select (6) / (10) Command (15h / 55h)
- Mode Sense (6) / (10) Command (1Ah/ 5Ah)
- Move Medium Command (A5h)
- Persistent Reserve In Command (5Eh)
- Persistent Reserve Out Command (5Fh)
- Position to Element Command (2Bh)
- Prevent/Allow Medium Removal (1Eh)
- Read Buffer Command (3Ch)
- Read Element Status Command (B8h)
- Release Element (10) Command (57h)
- Release Unit (6) Command (17h)
- Report Device Identifier Command (A3h)
- Report LUNS Command (A0h)
- Request Sense Command (03h)
- Reserve Element (10) Command (56h)
- Reserve Element (6) Command (16h)
- Send Diagnostic Command (1Dh)
- Set Device Identifier Command (A4h)
- Test Unit Ready Command (00h)
- Write Buffer Command (3Bh)
- Index

Chapter 2 Media Changer Commands
Mode Sense (6) / (10) Command (1Ah/ 5Ah)
Quantum SuperLoader 3 Software Interface Guide 65
TREXC A true exchange capable (TREXC) bit set to one indicates that the media
changer allows an
EXCHANGE MEDIUM command that has the second
destination element address equal to the source element address. A
TREXC bit set to zero indicates that the media changer does not allow an
EXCHANGE MEDIUM command that has the second destination element
address equal to the source element address.
LCKIE A lock import/export element (LCKIE) bit set to one indicates that the
PREVENT ALLOW MEDIUM REMOVAL command with the PREVENT field
set to 01b secures the media changer import/export element(s). An
LCKIE bit set to zero indicates that the
PREVENT ALLOW MEDIUM
REMOVAL
command with the PREVENT field set to 01b does not secure
the media changer import/export element(s).
LCKD A lock door (LCKD) bit set to one indicates that the
PREVENT ALLOW
MEDIUM REMOVAL
command with the PREVENT field set to 01b secures
the media changer door(s). An LCKD bit set to zero indicates that the
PREVENT ALLOW MEDIUM REMOVAL command with the PREVENT field
set to 01b does not secure the media changer door(s).
SPMER A source pre-move eject required (SPMER) bit set to one indicates that
the media changer requires the application client to send an explicit
command to the data transfer element to eject the medium before the
media changer is able to move the medium from the data transfer
element. A SPMER bit set to zero indicates that the application client
does not need to send an explicit command to the data transfer element
to eject the medium before the media changer is able to move the
medium from a data transfer element.
DPMER A destination pre-move eject required (DPMER) bit set to one indicates
that the media changer requires the application client to send an explicit
command to the data transfer element to extend the drive mechanism
before the media changer is able to move the medium to the data transfer
element. (e.g. a CD-ROM changer that requires the tray to be presented
before the
MOVE MEDIUM operation starts). A DPMER bit set to zero
indicates that the application client does not need to send an explicit
command to the data transfer element before the media changer is able
to move the medium to the data transfer element.
Field Name Description