Group 2, 3 And 4 Commands; Group 5 And 6 Commands - Seagate MEDALIST 1080SL Product Manual

64 Medalist 1080sl SCSI Product Manual, August 1995
Bytes
7 6
0 0 0
1 LUN
2–5
6 0 0
7–8
9 0 0
Bytes 2–5 The logical block address specifies the LBA where the drive
begins writing data.
Bytes 7–8 The byte transfer length specifies the number of bytes the
initiator transfers to the drive.
If the transfer length does not equal the sum of the logical
block size plus eleven, the command is terminated with a
check condition status.
If the byte transfer length is zero, the initiator does not
transfer any data to the drive; this condition is not consid-
ered an error.
Transfer length must be 523 (20B

3.6 Group 2, 3 and 4 commands

Group 2, 3 and 4 commands are 10-byte commands. Group 2 commands
are not implemented. Group 3 and 4 commands are reserved. If the drive
receives one of these commands, it returns a check condition status.
Caution. Do not use Group 3 and 4 commands. If you do, you may
destroy data on the disc.

3.7 Group 5 and 6 commands

Group 5 and 6 commands are 12-byte commands. Group 5 commands are
not implemented. If the drive receives a Group 5 command, it returns a check
condition status. Group 6 commands are reserved for Seagate use.
Caution. Do not use Group 6 commands. If you do, you may destroy
data on the disc.
Bits
5 4 3 2
1 1 1 1
0 0 0
Logical block address
0 0 0 0
Byte transfer length
0 0 0 0
) Bytes.
H
1 0
1 1
0 0
0 0
0 0