Seagate Ultra 160 - Manual (Page 100)

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