HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 50

SCSI-2 Drive Commands Table 2-8 NOTE SCSI-2 Drive Command Set Request Sense Command (03H) Field Pointer Types Sense Key Field Pointer Types Byte 7 6 15 SKSV C/D (1) 16 17 5 4 Reserved (0) 3 BPV 2 1 0 Bit Pointer Field Pointer (MSByte) Field Pointer (LSByte) C/D A Command Data bit of 1 indicates that the illegal parameter is in the CDB. A Command Data bit of 0 indicates that the illegal parameter is in the data sent by the initiator during the Data-Out phase. BPV A Bit Pointer Valid bit of 1 indicates that the Bit Pointer field specifies which bit of the byte designated by the Field Pointer field is in error. A Bit Pointer Valid bit of 0 indicates that the Bit Pointer field is not valid. Bit Pointer When the Bit Pointer Valid bit is 1, the Bit Pointer field specifies which bit of the byte designated by the Field Pointer field is in error. When a multiple-bit field is in error, the pointer points to the most significant byte of the field. Field Pointer The Field Pointer indicates which byte of the command descriptor block or the parameter data was in error. Bytes are numbered starting from 0. When a multiplebyte field is in error, the pointer points to the mostsignificant byte of the field. Bytes identified as being in error are not necessarily the bytes that need to be changed to correct the problem. Chapter 2 2-13