HP 2600fx - Optical Disk Drive Command Reference Manual page 92

Allocation
Length
Table 2-48 Mode Sense Header
Table 2-49 Mode Sense Descriptor
Chapter 2
This field specifies the number of bytes that the
initiator has allocated for returned data. A length of 0
indicates that no data will be returned. The drive will
terminate the data-in phase when the allocation length
has been transferred or when all available data has
been transferred to the initiator.
Byte 7 6
0
1
2 WP Reserved
3
Byte 7 6
0
1
2
3
4
5
6
7
Mode Sense (Group 0) Command (1AH)
5 4 3
Mode Data Length
Medium Type
Cache
(1)
Block Descriptor Length
5 4 3
Density Codes
Number of Blocks (MSByte)
Number of Blocks
Number of Blocks (LSByte)
Reserved (0)
Block Length (MSByte)
Block Length
Block Length (LSByte)
SCSI-2 Drive Command Set
2 1 0
Reserved (0)
2 1 0
2-55