SCSI Description
5.24
READ DEFECT DATA Command (10) (37h)
The READ DEFECT DATA (10) command directs the drive to report defect
information about the drive's medium. Refer to the FORMAT UNIT command for
information about defects. The data format and field descriptions are shown in Table
5-130 and Table 5-131 respectively. The data sent to the host in the command's data-
in buffer transfer consists of a four-byte Defect List header (Table 5-134 and
Table 5-135), followed by any Defect Descriptors (Table 5-132 and Table 5-133).
The READ DEFECT DATA (10) Command Descriptor Block is shown in
Table 5-138; the data fields are described in Table 5-131.
Table 5-130
Bit
Byte
0
1
2
3 - 6
(MSB)
7 - 8
9
5-94
Maxtor Atlas 10K IV
READ DEFECT DATA (10) Command-Data Format
7
6
5
Reserved
4
3
Operation Code (37h)
Reserved
Plist
Glist
Reserved
Allocation Length
Control
2
1
0
Defect List Format
(LSB)