1.3SCSI Protocol
The SCSI Protocol outlined in this section applies only to SCSI bus models. It does not support ATA bus models.
1.3.1Command Link/Control Field
The Control Field inside the Command Block is defined as:
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| Vendor Unique |
| Reserved |
| Flag | Link |
The Command Link function is not supported by the
Set the RelAdr (Relative Address) bit, bit 0 of byte 1, inside the Command Block to “0” (FALSE).
1.3.2Disconnect/Reselect
Selection
If the initiator does not respond to reselection within the
During execution of audio commands, if the disconnect/reselect function is selected, the drive disconnects from the initiator before execution a SEEK or other operation that requires head movement. When the selected address is located, the drive reselects the initiator and begins audio playback. The time needed for the reselection procedure is dependent upon the status of the SCSI bus. Audio playback may begin before the reselection is complete. Refer to Appendix A for more information.
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