HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 68

SCSI-2 Drive Commands SCSI-2 Drive Command Set Mode Select Command (15H) Table 2-26 Mode Select Command (15H) This command sets optical disk and drive parameters for read, write, format, and erase commands. Mode Select (Group 0) Command CDB Byte 7 6 5 4 3 2 1 0 0 Operation Code (15H) 1 Logical Unit Number PF (1) Reserved (0) SP (0) 2 Reserved (0) 3 Reserved (0) 4 Parameter List Length (Table 2-27 on page 2-32) 5 Reserved (0) Flag Link SP A Save Pages bit of 1 indicates that the target performs the specified MODE SELECT operation, and saves all the savable pages to non-volatile RAM. An SP bit of 0 indicates the target performs the specified MODE SELECT operation, and does not save any pages. Parameter List Length This byte indicates the number of bytes of parameter data being transferred during the DATA OUT phase, including the header. A length of 0 indicates that no data will be transferred. Chapter 2 2-31