Preface
1.3.3Status PhaseFour status conditions are supported. They are
GOOD | 00h |
CHECK CONDITION | 02h |
BUSY | 08h |
RESERVATION CONFLICT | 18h |
When the IMMED bit is set to “1” (TRUE) in a command block, the drive returns GOOD when the command is first interpreted. As the command is being executed, the drive returns BUSY to successive commands until operation of the first command is complete and the drive is ready to receive a new command.
Refer to Section 2.31 REQUEST SENSE for details on deferred error reporting.
1.3.4The
Message Msg 05h + 09h will cause the drive to go to BUS FREE PHASE without a retry.
Message |
|
COMMAND COMPLETE | 00h |
SAVE DATA POINTER | 02h |
DISCONNECT | 04h |
MESSAGE REJECT | 07h |
IDENTIFY | 80h - FFh |
SYNCHRONOUS DATA TRANSFER REQUEST2 | 01h |
2From EXTEND MESSAGE (01h)
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