Read Defect Data (Group 5) Command (B7H) - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-127
Byte
SCSI-2 Drive Command Set

Read Defect Data (Group 5) Command (B7H)

Read Defect Data (Group 5) Command (B7H)
This command reads optical disk defect information. The data returned
starts with an 8-byte header, followed by one or more defect descriptors.
Read Defect Data (Group 5) Command CDB
7 6
0
1 Logical Unit Number
(0)
2
3
4
5
6
7
8
9
10
11
PList &GList A Primary List bit of 0 and a Grown List bit of 1
indicates the drive will return the contents of the
Primary Defect List (PDL) and the Secondary Defect
List (SDL).
A PList bit of 1 and a GList bit of 0 indicates the drive
will return the contents of PDL.
A PList bit of 1 and a GList bit of 1 indicates the drive
will return the contents of the PDL and the SDL.
2-142
5 4 3
Operation Code (B7H)
PList GList
Reserved (0)
Reserved (0)
Reserved (0)
Reserved (0)
Allocation Length (MSByte)
Allocation Length
Allocation Length
Allocation Length (LSByte)
Reserved (0)
Reserved (0)
2 1 0
Defect List Format
Link Flag
Chapter 2