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 52
Table 25 Mode Sense Data
Header
Mode Sense Mode Pages2
The following figure depicts the variable length page descriptor.
Figure 37 Mode Sense Page
Descriptor
Descriptions of the MODE SENSE page descriptor fields are provided in
the following table. Detailed descriptions of each of the
MODE SENSE
Pages
follow.
Table 26 Mode Sense Page
Descriptor
Field Name Description
Mode Sense
Data Length
This field specifies the length (in bytes) of the
MODE
SENSE
data that is available to be transferred during
the
DATA IN phase. Note that the Mode Sense Data
Length
does not include itself.
Block
Descriptor
Length
This field specifies the length (in bytes) of all of the
block descriptors. This value will be 0, indicating no
Block Descriptors were sent.
Bit
Byte76543210
0
PS 0 Page Code
1
Additional Page Length
2
Page Defined or Vendor Specific Parameter Bytes
Field Name Description
PS
Parameters Savable. When 0, the supported
parameters cannot be saved (savable pages are not
supported). When set to 1, it indicates that the page
can be saved in nonvolatile memory by the media
changer.