User Manual

SCSI Commands Reference Manual, Rev. J 254
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.62 WRITE (16) command
The WRITE (16) command (see table 219) requests that the device server transfer the specified logical block(s) from the data-out
buffer and write them. Each logical block transferred includes user data and may include protection information, based on the
WRPROTECT field and the medium format. Each logical block written includes user data and, if the medium is formatted with
protection information enabled, protection information.
See the READ (16) command (see 3.18) for the definitions of the DLD2 bit, the DLD1 bit, and the DLD0 bit.
See the WRITE (10) command (see 3.60) for the definitions of the other fields in this command.
Table 219 WRITE (16) command
Bit
Byte
7 6 5 4 3 2 1 0
0 OPERATION CODE (8Ah)
1 WRPROTECT DPO FUA Reserved Obsolete DLD2
2 (MSB)
LOGICAL BLOCK ADDRESS. . .
9 (LSB)
10 (MSB)
TRANSFER LENGTH. . .
13 (LSB)
14 DLD1 DLD0 GROUP NUMBER
15 CONTROL