HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 121

SCSI-2 Drive Command Set Write (Group 1) Command (2AH) NOTE Table 2-76 Write (Group 1) Command (2AH) This command is used to write data starting at the specified logical block address. The Mode Select Commands (15H, 55H) impact read, write, format, and erase commands. Write (Group 1) Command CDB Byte 7 6 5 4 3 2 1 0 0 Operation Code (2AH) 1 Reserved (0) DPO FUA EBP Rsvd (0) RelAdr 2 Logical Block Address (MSByte) 3-4 Logical Block Address 5 Logical Block Address (LSByte) 6 Reserved (0) 7 Transfer Length (MSByte) 8 Transfer Length (LSByte) 9 PBA Ers Cntl Reserved (0) Flag Link 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. NOTE For Write-Once media, Byte 9, Bit 7 and Bit 6 are reserved (0). 2-84 Chapter 2