HP Surestore 200fx Optical Drive and Library SCSI-2 Command Reference - Page 174
Write and Verify (Group 5) Command (AEH),
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SCSI-2 Drive Command Set Write and Verify (Group 5) Command (AEH) SCSI-2 Drive Commands Write and Verify (Group 5) Command (AEH) Writes data to the optical disk and then verifies the write by reading the written data and checking the error correction code. NOTE The Mode Select Commands (15H, 55H) impact read, write, format, and erase commands. Table 2-125 Write and Verify (Group 5) CDB Byte 0 1 2 3-4 5 6 7-8 9 10 11 7 6 5 4 3 2 Operation Code (AEH) Logical Unit Number (0) DPO Rsvd (0) EBP Logical Block Address (MSByte) Logical Block Address Logical Block Address (LSByte) Transfer Length (MSByte) Transfer Length Transfer Length (LSByte) Reserved (0) PBA ErsCntl Reserved (0) 1 0 Rsvd (0) RelAdr Flag Link NOTE For Write-Once media, Byte 11, Bit 7 and Bit 6 are reserved (0). DPO A Disable Page Out bit of 1 instructs the target not to store the data in the cache after it has been transferred to the media. A DPO bit of 0 instructs the target to store the data in the cache after it has been transferred to the media. This bit is ignored. Chapter 2 2-137