Code

Message

 

 

00

COMMAND COMPLETE

 

 

05

INITIATOR DETECTED ERROR

 

 

06

ABORT

 

 

07

MESSAGE REJECT

 

 

08

NO OPERATION

 

 

09

MESSAGE PARITY ERROR

 

 

0C

BUS DEVICE RESET

 

 

80 to FF

IDENTIFY

 

 

04

DISCONNECT

 

 

02

SAVED DATA POINTER

 

 

03

RESTORE POINTERS

 

 

(1)COMMAND COMPLETE (X©00￿) : MESSAGE IN phase (target Æ initiator)

This message indicates that a command has been terminated and a valid status has been reported to the initiator.

The target always reports the COMMAND COMPLETE message after the STATUS phase at the completion of the input/output operation. (This requirement also applies if the COMMAND phase is not executed because of a command cannot be received.)

Uopn receiving the COMMAND COMPLETE message, the initiator knows that a command has terminated.

After sending the COMMAND COMPLETE message, the target switches into the BUS FREE phase.

If the COMMAND COMPLETE message is rejected with the MESSAGE REJECT message, this scanner switches into the BUS FREE phase.

(2)INITIATOR DETECTED ERROR (X©05￿) : MESSAGE OUT phase

(initiator Æ target)

This message indicates that the initiator detected a retriable error and intends to request the target for retry. The value of the current pointer is not guaranteed.

The initiator does not intend to issue another message by activating ATN before it deactivaes the ACK of the INITIATOR DETECTED ERROR message.

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