Table 5-17, Format unit defect descriptor-block format -18, Table 5-18 – Maxtor ATLAS 10K III User Manual
Page 82: Table 5-17)

SCSI Description
5-18
Maxtor Atlas 10K III
(14/#6 70+6 &GHGEV &GUETKRVQT $NQEM (QTOCV
Each descriptor specifies a 4-byte defective sector address of the sector that contains
the defect as shown in Table 5-17.
Table 5-17
FORMAT UNIT Defect Descriptor-Block Format
(14/#6 70+6 &GHGEV &GUETKRVQT 2J[UKECN 5GEVQT CPF $[VGU (TQO +PFGZ (QTOCV
The Physical Sector defect descriptor specifies the location of a defect that is the length
of a sector. The Bytes From Index defect descriptor specifies the location of a defect
that is no more than eight bytes long.
Each descriptor is comprised of the bytes shown in Table 5-18. The Cylinder Number
of Defect is the most significant part of the address, and the Defective Sector Number
or Defect Bytes From Index is the least significant part of the address. A value of
FFFFFFFFh in bytes 4 to 7 is ignored
Table 5-18
FORMAT UNIT Defect Descriptor- Physical Sector and Bytes
From Index Format
$KV
$[VG
0 - 3
Defective Block Address
Bit
$[VG
0 - 2
Cylinder Number of Defect
3
Head Number of Defect
4 - 7
Defective Sector Number
or
Defect Bytes from Index