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Bytes
~2
and
~3
indicate the number of following data bytes
containing defect descriptors and/or format information.
For entire unit formatting, bytes 04 through 11 indicate the
physical location of the first defect descriptor (defect location
in terms of cylinder, head and bytes from index).
The defect
descriptors must be listed in ascending order starting from
cylinder 0, head
~.
For single cylinder formatting, bytes 04 through 11 indicate the
cylinder to be formatted and the starting sector number of the
cylinder.
The starting sector number can be determined using the
READ MAXIMUM
C~PACITY
(25 H ) command on the previous
cylinder~
Note:
The user must caution when sectors overflow from one
cylinder to another.
If incorrect starting sector number
is used,
missing sector error will be detected during
read, write or verify commands.
6-16
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