Read All SubCode
2.49Read All SubCode (DFh)
IMPORTANT: This command applies only to models
Series drives.
Operation Code is (DFh)
Transfer Length indicates the number of contiguous
Read All Subcode command directs the target to transfer
The initiator must hold while the current
If the Transfer Length is zero,
In the event the
The drive will quit the operation with a Check Condition status once the buffer overflows
or there is no more valid
If the target is not playing the audio, the drive will return a Check Condition status. The sense key is set to 05h and the additional sense code is to 64h.
NOTE: The drive transfers an entire block of data at SCSI bus burst transfer rate. The drive's firmware overhead only occurs at a block boundary. Upon completion of the read operation, the drive enters the Hold Track state during the inactivity time.
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