Control Method And Procedures - Sony SMO-F551 Technical Manual

Control Method and Procedures

The following flow chart is an example(the case of Read Command) of the procedure
for controlling the drive through SCSI interface.
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SMO-F551 Technical Guide and Specifications
Sony Corporation 1998
Bus Free Phase
Arbitration Phase
Selection Phase
Message-Out Phase
Command Phase
Linked
Not disconnected
Data-In Phase
Status Phase
Message-In Phase
Not linked
Bus Free Phase
Fig. 6.2: Drive Control Flow Chart through SCSI
IDENTIFY message (80H to FFH)
Disconnected
Message-In Phase
Bus Free Phase
Arbitration Phase
Reselection Phase
Message-In Phase
DISCONNECT
message