Format Unit Command (04H) - HP 2600fx - Optical Disk Drive Command Reference Manual

Format Unit Command (04H)

This command is used to initialize the optical disk surface.
The format parameters may be set using the Mode Select Commands
NOTE
(15H or 55H) before executing the Format Unit Command.
Table 2-10 Format Unit Command CDB
Byte 7
0
1 Reserved (0)
2
3
4
5 Rsvd ErsCntl
NOTE The 9.1 and 5.2 Gbyte capacity drives cannot Format, Erase, Write, or
Write and Verify 650 Mbyte and 1.3-Gbyte optical disks.
The 2.6 Gbyte capacity drives cannot Format, Erase, Write, or Write and
Verify 650 Mbyte optical disks.
If this command is issued with any of these drive/media combinations, a
CHECK CONDITION status will result with the Sense Key/Additional
Sense Code set to Data Protect/Write Protected.
FmtDta
Chapter 2
6 5 4
Operation Code (04H)
FmtDta
Reserved (0)
Reserved (0)
Reserved (0)
Reserved (0)
A Format Data bit of 1 indicates that the command
includes a Data Out Phase consisting of a 4-byte Defect
List Header.
A FmtDta bit of 0 indicates that the command does not
include a Data Out Phase.
SCSI-2 Drive Command Set
Format Unit Command (04H)
3 2
CmpLst Defect List Format
MkCDA
1 0
MkPlst
Flag Link
2-15