Write Long Command (Dfh) - HP 2600fx - Optical Disk Drive Command Reference Manual

Write Long Command (DFH)

This command writes data starting at the specified Logical Block
Address, without using ECC generation circuitry. The ECC field is also
written with data transferred to the drive.
Table 2-131 Write Long Command CDB
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.
Chapter 2
Byte 7 6
0
1 Logical Unit Number
(0)
2 Starting Logical Block Address (MSByte)
3
4
5 Starting Logical Block Address (LSByte)
6
7
8
9 PBA SC
5 4 3
Operation Code (DFH)
Reserved (0)
Starting Logical Block Address
Starting Logical Block Address
Reserved (0)
Transfer Length (MSByte)
Transfer Length (LSByte)
Reserved (0)
SCSI-2 Drive Command Set
Write Long Command (DFH)
2 1 0
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