Table 2-120 Mode Sense Header - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-120
SCSI-2 Drive Command Set
Mode Sense (Group 2) Command (5AH)
Mode Sense Header
Byte 7 6
0
1
2
3 WP Reserved (0)
4
5
6
7
Mode Data
Length This field specifies the length in bytes of the MODE
SENSE data to follow.
Medium Type The Medium Type field is set to 00H (default, only one
medium type is supported), 02H (write-once optical
disks), or 03H (rewritable optical disks), depending on
the drive condition (00H if no disk or not ready, and 02H
or 03H if it is ready to access the disk).
WP A write protect bit of 1 indicates that the optical disk in
the drive is write protected.
2-126
5 4
Mode Data Length (MSByte)
Mode Data Length (LSByte)
Medium Type
Cache
(1)
Reserved (0)
Reserved (0)
Block Descriptor Length (MSByte)
Block Descriptor Length (LSByte)
3 2 1
Reserved (0)
Chapter 2
0