86
Parallel SCSI Interface Product Manual, Rev. A
Key:
M = Mandatory support O = Optional support
NS = Not supported
IN = SCSI target port to SCSI initiator port OUT = SCSI Initiator port to SCSI target port
Yes = SCSI Initiator port shall clear the attention condition before last ACK of the Message Out phase.
Not required = SCSI Initiator port may or may not clear the attention condition before last ACK of the MES-
SAGE OUT phase (see Section 5.1)
N/A = Not applicable
Init = SCSI initiator port Targ = SCSI target port
80h+ = Codes 80h through FFh are used for IDENTIFY messages
Note.
The clear attention condition only applies during MESSAGE OUT phase.
55h
NS
O
O
O
QAS REQUEST
4.3.13
In
N/A
03h
O
O
O
O
RESTORE POINTERS
4.3.14
In
N/A
02h
O
O
NS
NS
SAVE DATA POINTER
4.3.15
In
N/A
01h,03h,01h
O
O
M
M
SYNCHRONOUS DATA
TRANSFER REQUEST
4.3.16
In
Out
Yes
00h
M
M
NS
NS
TASK COMPLETE
4.3.17
In
N/A
01h,02h,03h
O
O
M
M
WIDE DATA TRANSFER
REQUEST
4.3.18
In
Out
Yes
Code
Support
Message name
Reference
section
Direction
Clear
attention
condition
IU transfers
disabled
IU transfers
enabled
Init
Targ
Init
Targ
In
Out
Summary of Contents for Ultra 160
Page 1: ...Parallel SCSI Interface Ultra 160 Ultra 320...
Page 2: ......
Page 3: ...Parallel SCSI Interface Ultra 160 Ultra 320...
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Page 14: ...xii Parallel SCSI Interface Product Manual Rev A...
Page 64: ...50 Parallel SCSI Interface Product Manual Rev A...
Page 144: ...130 Parallel SCSI Interface Product Manual Rev A...
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