HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 184

SCSI-2 Drive Commands SCSI-2 Drive Command Set Write Long Command (DFH) Table 2-131 NOTE 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. Write Long Command CDB Byte 7 6 5 4 3 2 1 0 0 Operation Code (DFH) 1 Logical Unit Number (0) Reserved (0) RelAdr 2 Starting Logical Block Address (MSByte) 3 Starting Logical Block Address 4 Starting Logical Block Address 5 Starting Logical Block Address (LSByte) 6 Reserved (0) 7 Transfer Length (MSByte) 8 Transfer Length (LSByte) 9 PBA SC Reserved (0) Flag Link 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 2-147