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Test Unit Ready Command
228
T10000: Interface Reference Manual • January 2011
• E20425-01
■
Test Unit Ready Command
The Test Unit Ready command checks if a device is loaded and ready to
receive a command that accesses the media, such as Read or Write
commands.
Notes:
•
Good status is returned if the tape drive is loaded and ready.
•
Check Condition status with a sense key of Not Ready is returned if
the tape drive is not loaded.
•
Busy status is returned if a Rewind, Erase, Load/Unload, or Locate
command with the immediate bit set was previously issued and the
tape drive has not completed the command.
Table 174. Test Unit Ready Command
Byte
Bit
7
6
5
4
3
2
1
0
0
Operation Code (00h)
1
thru
4
(MSB)
Reserved
(LSB)
5
Control Byte
Содержание Storage Tek T10000
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