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M2488 PRODUCT GUIDE MEDIA CHANGER COMMANDS
March 1997 CG00000-011503 REV. A 6-13
6-2.3.2 MODE SENSE Data
The MODE SENSE data contains a four-byte header, followed by zero or more variable length
pages.
Page Descriptor
The page formats are defined as shown in Table 6-13 and described in Table 6-4.
Table 6-11. MODE SENSE Data Header
BITS
BYTES 7 6 5 4 3 2 1 0
0
Mode Sense Data Length
1
Reserved
2
Reserved
3
Block Descriptor Length = 00h
Table 6-12. MODE SENSE Data Header Field Description
BYTE BIT VALUE DESCRIPTION
0 0-7 The Mode Sense Data Length specifies the length in bytes of the following MODE
SENSE data bytes after the data length field that are available to be transferred dur-
ing the DATA IN phase. The sense data length does not include itself.
3 0-7 00h A block descriptor length of zero indicates no block descriptors are included in the
parameter list.
Table 6-13. Page Descriptors
BITS
BYTES 7 6 5 4 3 2 1 0
0
PS Reserved Page Code
1
Additional Page Length
2-N
Page Defined or Vendor Unique Parameter Bytes