Quantum 10K II - Manual (Page 299)

SCSI Description
5–232 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
XDWRITE (10) COMMAND (50h) (continued)
Table 5–108 XDWRITE (10) Command — Field Descriptions (continued)
Field Description
Logical Block Address Specifies the address of the first logical block where
the WRITE operation will occur.
Transfer Length Specifies the number of contiguous logical blocks to
write. The drive returns CHECK CONDITION status with
the correct sense data if the specified transfer will
cause the WRITE operation to extend beyond the
Logical Block Address space.