User's Guide

Page 18 DDS-4 SCSI Interface Manual, Rev. B
SCSI Message Descriptions and Definitions
The SCSI message codes, descriptions, and directions are given in the following
table. Each of these SCSI messages is supported by the Seagate DDS-4 drive.
Code Description Direction*
00h
Command Complete In
02h
Save Data Pointer In
03h
Restore data pointers In
04h
Disconnect In
05h
Initiator Detected Error Out
06h
Abort Out
07h
Message Reject In/Out
08h
No Operation Out
0Ah
Linked Command Complete In
0Bh
Linked Command Complete with Flag In
0Ch
Bus Device Reset Out
80h
Identify (when sent by host, disables
Disconnect/Reconnect)
In/Out
C0h
Identify (enable Disconnect/Reconnect) Out
01h**
Extended Message In/Out
* Direction: In = Drive to host; Out = Host to drive.
** Supports only two extended messages: Synchronous Data Transfer Request
and Wide Data Transfer Request.