Test Unit Ready Command (00H); Table 2-4 Test Unit Ready Command Cdb - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-4
SCSI-2 Drive Command Set

Test Unit Ready Command (00H)

Test Unit Ready Command (00H)
This command determines the READY state of a drive. If the drive is in a
READY state when it receives this command, it returns a GOOD status.
A drive is in the READY state when the optical disk is loaded and spun
up, and a read or write operation could successfully complete.
If the drive is not ready when it receives this command, it returns a
CHECK CONDITION with a sense key of NOT READY.
Test Unit Ready Command CDB
Byte 7
0
1 Logical Unit Number
(0)
2
3
4
5
2-8
6 5 4
Operation Code (00H)
Reserved (0)
Reserved (0)
Reserved (0)
Reserved (0)
3 2 1
Reserved (0)
Flag
Chapter 2
0
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