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CHAPTER 4
4.1
4.2
4.3
4.4
This chapter describes detailed specifications of the SCSI commands which the IDD is equipped with
and how to use them.
4.1
Control/Sense Commands
4.1.1
TEST UNIT READY (00)
Bit
7
Byte
0
1
0
2
0
3
0
4
0
5
0
This command checks the status of the disk drive.
If the IDD is in the ready state and it is possible for it to be used by the INIT (initiator) which
issues this command, a GOOD status is reported for this command.
If the IDD is not in the ready state, it reports a CHECK CONDITION status for this command.
The sense data generated at this time indicate the IDD's state at this time.
COMMAND SPECIFICATIONS
Control/Sense Commands
Data Access Commands
Format Commands
Maintenance, Diagnostic Commands
6
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
C141-E054-02EN
3
2
X'00'
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
4 - 1
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