Maxtor ATLAS 10K III - Manual (Page 178)

SCSI Description
5-114 Maxtor Atlas 10K III
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The READ DEFECT DATA (12) 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 sent to the host in the command’s data-in buffer
transfer consists of a four-byte Defect List header (Table 5-144 and Table 5-145),
followed by any Defect Descriptors (Table 5-142 and Table 5-143).
The READ DEFECT DATA (12) Command Descriptor Block is shown in Table 5-
140; the data fields are described in Table 5-141.
Table 5-140 READ DEFECT DATA (12) Command-Data Format
$KV
$[VG
0 Operation Code (B7h)
1 Reserved Plist Glist Defect List Format
2 - 5 Reserved
6 - 9
(MSB)
Allocation Length
(LSB)
10 Reserved
11 Control