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Command Specifications
3 - 6 C141-E167
g. Supported functions
The bit positions shown below are valid only when the CHANGE DEFINITION command is set
so that the SCSI-2 or SCSI-3 mode INQUIRY data are transferred, and the functions which the
IDD supports are shown in the bit correspondence.
"1" indicates that that function is supported and "0" indicates that that function is not supported.
When the CHANGE DEFINITION command is not set so that SCSI-2 mode INQUIRY data are
transferred, "0" is displayed in all these bit positions.
• SCSI-3 mode
[Byte 3]
- AERC (Asynchronous event reporting capability):
Asynchronous condition notify function [0]
- NORMACA (Normal ACA supported):
ACA support [0]
- HISUP (Hierarchical support):
Defined the hierarchical addressing model to assign LUN [0/1]
[Byte 5]
- SCCS (SCC support):
Embedded storage array controller equipment [0]
[Byte 6]
- BQue (Basic queuing):
Combination with CMDQUE [0]
- EncServ (Enclosure service):
Enclosure service [0]
- MultiP (Multi port):
Supported multi-port [0]
- MChngr (Medium changer):
Medium Changer [0]
- Addr16 (Wide SCSI address 16):
16 bit SCSI addressing [0/1]
[Byte 7]
- RelAdr (Relative addressing):
Relative logical block addressing [0]
- WBus16 (16-bit wide data transfer):
Data transfer on a 2-byte bus [0/1]
- Sync (Synchronous data transfer):
Data transfer on the synchronous mode [1]
- Linked (Linnked command):
Command link function [1]
- TranDis (Transfer disable):
Continue task and target transfer disable message [0]
- CmdQue (Command queuing):
Command queuing function [1]
Bque CmdQue Description
0 0 No command queuing of any kink supported
0 1 Command queuing with all types of task tags supported
1 0 Basic task set model supported
1 1 Illegal combination of BQue and CmdQue bits
- VS (Vendor specific):
Not defined [0]