HP Surestore 80ex Optical Drive and Library SCSI-2 Command Reference - Page 125
Erase (Group 1) Command (2CH),
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SCSI-2 Drive Command Set Erase (Group 1) Command (2CH) Table 2-78 NOTE Erase (Group 1) Command (2CH) This command erases data from the specified logical block address. This command can only be used with rewritable disks. Erase (Group 1) Command CDB Byte 7 6 5 4 3 2 1 0 0 Operation Code (2CH) 1 Logical Unit Number Reserved (0) ERA Rsvd RelAdr (0) (0) 2 Logical Block Address (MSByte) 3 Logical Block Address 4 Logical Block Address 5 Logical Block Address (LSByte) 6 Reserved (0) 7 Transfer Length (MSByte) 8 Transfer Length (LSByte) 9 PBA 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. 2-88 Chapter 2