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HP 2600fx - Optical Disk Drive Command Reference Manual: Format Unit Command Defect List

Optical drive and library for fx, ex and mx models.
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Format Unit Command Defect List

The Format Unit command Defect List consists of the Defect List Header
and zero or more multi-byte Defect Descriptor(s).
Table 2-11
Format Unit Defect List Header
Byte
0
1
2
3
FOV
DCRT
Immed
Defect List
Length
Chapter 2
7
6
5
FOV
Rsvd
DCRT
(0)
Defect List Length (MSByte)
Defect List Length (LSByte)
A Format Options Valid bit of 1 indicates that the DCRT
(Disable Certification) and Immed (Immediate) fields
contain valid information.
A FOV bit of 0 indicates that the DCRT and Immed
fields do not contain valid information.
A Disable Certification bit of 1 indicates the drive does
not certify the optical disk during the format process.
A DCRT bit of 0 indicates that the drive certifies the
optical disk during the format process.
When the FOV bit is set to 0, the DCRT bit must also be
set to 0.
DCRT does not apply to Write-Once disks.
When the Immediate bit is set to 1, it indicates a status
of GOOD is returned before the format operation is
begun.
An Immed bit of 0 indicates a GOOD status is returned
when the format is complete.
The Defect List Length is the total length in bytes of the
Defect Descriptors that follow.
SCSI-2 Drive Command Set
Format Unit Command (04H)
4
3
2
Reserved (0)
Reserved (0)
1
0
Immed
Rsvd
(0)
2-17

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