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QAS Request (55
The controller set this message to
Quick Arbitration phase start after information until transmission and
Identify (80
physical path between the host computer and the controller for a specified
logical unit.
This bit is always set to 1 to distinguish this message from the other
messages.
This bit can be set to 1 only by the host computers. When set to l, bit 6
indicates that the host computer has the ability to accommodate
Bits 5-0 (Logical Unit Number = 0
These bits represent the logical unit number in the controller.
Only one logical unit number can be identified during one selection sequence.
specifying a new logical unit number before the bus is freed (Bus Free
phase).When this message is sent from the controller to the host computer
Pointers message before the completion of this message.
3.2.3 EXTENDED MESSAGE
The extended message is indicated by (01) in the first byte of a message and
consists of multiple-bytes.
TRANSFER REQUEST message, the WIDE DATA TRANSFER REQUEST
message and PARALLEL PROTOCOL REQUEST message.
3 SCSI BUS
)
H
through FF
)
H
H
H
OEM MANUAL:K6602924
at the time of the
Revision: 1 / Date: 2003.03.06
Page: 41 / 273
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