HP Surestore 160ex Optical Drive and Library SCSI-2 Command Reference - Page 206
Reserve Command Element List Descriptors
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Jukebox SCSI-2 Commands Table 3-18 Jukebox SCSI-2 Command Set Reserve Command (16H) Reserve Command Element List Descriptors Each element list consists of zero or more descriptors. The element list descriptor defines a series of elements beginning at the specified element address for the specified number of elements. If the number of elements is zero, the element list begins at the specified element address and continues through the last element address on the unit. However, if the Element Address is a transport device (a picker) or an unused Element Address, a status of CHECK CONDITION, Sense Key = ILLEGAL REQUEST is returned. Reserve Command Element List Descriptors Byte 7 6 5 4 3 2 1 0 0 Reserved (0) 1 Reserved (0) 2 Number of Elements (MSByte) 3 Number of Elements (LSByte) 4 Element Address (MSByte) 5 Element Address (LSByte) Chapter 3 3-19