Test Unit Ready 00H - Sony DDS-4 Product Description Manual

6. COMMAND SPECIFICATION

6. 25 TEST UNIT READY 00h

Bit 7
Byte
0
1 Logical Unit Number
2
3
4
5 Unused (00b)
TEST UNIT READY checks if the drive is ready. This is not a request for a self-test. If the drive has a tape loaded, this
command will return a GOOD status. Otherwise, CHECK CONDITION will be reported and the sense key will be NOT
READY.
Drive Status
Tape Loaded
No Tape Present
Tape Loading
Tape Unloading
Tape Unloaded
(but retained in
drive)
6 5
Operation Code (00h)
Sense Key ASC/ASCQ Description
00 No Sense 00 00 NO ADDITIONAL SENSE INFORMATION
02 Not Ready 3A 00 MEDIUM NOT PRESENT
02 Not Ready 04 01 LOGICAL UNIT IS BECOMING READY
02 Not Ready 04 00 LOGICAL UNIT NOT READY
02 Not Ready 04 00 LOGICAL UNIT NOT READY
Table 6-55: TEST UNIT READY results
4 3 2
Reserved
Reserved
Reserved
Reserved
Reserved
SONY SDT-10000/SDT-11000 DDS Tape Drive
TEST UNIT READY
1 0
6 - 95