HP Surestore 80ex Optical Drive and Library SCSI-2 Command Reference - Page 59
Read Group 0 Command 08H, REQUEST/INVALID FIELD in CDB.
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NOTE NOTE SCSI-2 Drive Command Set Read (Group 0) Command (08H) When this command is used with 512 byte/sector 4X/ 8X/14X media, 1024 byte/sector 8X/14X media, or 2048 14X media, it is not possible to address all logical blocks on the disk because those media types contain >221 logical blocks. When this command is used with 14X 512 or 1024 byte/sector media, setting the PBA bit will cause the drive to return a CHECK CONDITION status. The sense key/additional sense code will be set to ILLEGAL REQUEST/INVALID FIELD in CDB. 2-22 Chapter 2
SCSI-2 Drive Command Set
Read (Group 0) Command (08H)
Chapter 2
2-22
NOTE
When this command is used with 512 byte/sector 4X/ 8X/14X media, 1024
byte/sector 8X/14X media, or 2048 14X media, it is not possible to address
all logical blocks on the disk because those media types contain >2
21
logical blocks.
NOTE
When this command is used with 14X 512
or 1024 byte/sector media,
setting the PBA bit will cause the drive to return a CHECK CONDITION
status. The sense key/additional sense code will be set to ILLEGAL
REQUEST/INVALID FIELD in CDB.