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Chapter 2 Messages
Message Format
10
Quantum ATL SuperLoader Software Interface Guide
If an initiator supplies an unsupported message, for example,
COMMAND COMPLETE or a reserved or undefined message
code, the SuperLoader returns a MESSAGE REJECT message and
continues where it left off, possibly returning to MESSAGE OUT if
ATN is raised.
The first byte of the message, as defined in
format of the message.
Table 1 Message
Format
The SuperLoader supports the messages listed in
message code and the direction of the message flow is also
included in the table (In = target to initiator, Out = initiator to
target).
Table 2 Supported
Messages
Message Code
Message
00h
One-byte message (COMMAND COMPLETE)
01h
Extended message
02h – 1Fh
One-byte message
20h – 2Fh
Two-byte message
40h – 7Fh
Reserved
80h – FFh
One-byte message (IDENTIFY)
Message
Message Code
Direction
ABORT
06h
Out
BUS DEVICE RESET
0Ch
Out
COMMAND COMPLETE
00h
In
DISCONNECT
04h
In
Out
Summary of Contents for ATL SuperLoader ATL
Page 1: ...ATL SuperLoader DLT and ATL SuperLoader LTO Software Interface Guide 81 60220 01 A02...
Page 18: ...Preface Document Conventions xviii Quantum ATL SuperLoader Software Interface Guide...
Page 44: ...Chapter 2 Messages Supported SCSI Messages 26 Quantum ATL SuperLoader Software Interface Guide...
Page 196: ...Index 178 Quantum ATL SuperLoader Software Interface Guide...