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3 physical interface characteristics, 4 summary of scsi messages – Seagate Ultra 160 User Manual

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Parallel SCSI Interface Product Manual, Rev. A

1.3

Physical interface characteristics

The physical interface characteristics (cables, connectors, electrical descriptions, termination requirements,
etc.) for the drives covered by this Interface Manual are found in each individual drive’s Product Manual, since
these features are not the same for all drives.

1.4

Summary of SCSI messages

Following is an alphabetical summary of the SCSI messages described in this manual. Details are given in
Section 4.

Message Name

Hex Code

Page number

ABORT TASK

06

105

CLEAR QUEUE

0E

106

DISCONNECT

04

87

EXTENDED MESSAGE

01

84

IDENTIFY

80-FF

87

IGNORE WIDE RESIDUE

23

88

INITIATE RECOVERY

0F

Not described in this manual

INITIATOR DETECTED ERROR

05

89

MESSAGE PARITY ERROR

09

89

MESSAGE REJECT

07

89

MODIFY DATA POINTER

01, 05, 00

89 (extended message)

NO OPERATION

08

91

PARALLEL PROTOCOL REQUEST

01, 06, 04

92

QAS REQUEST

55

96

RELEASE RECOVERY

10

Not described in this manual

RESTORE POINTERS

03

96

SAVE DATA POINTERS

02

96

SYNCHRONOUS DATA TRANSFER REQUEST

01, 03, 01

97 (extended message)

TASK ATTRIBUTE MESSAGES

102

ACA (AUTO CONTINGENT

ALLEGIANCE)

24

103

HEAD OF QUEUE TAG

21

104

LINKED COMMAND COMPLETE

0A

89

ORDERED QUEUE TAG

22

104

SIMPLE QUEUE TAG

20

104

TASK COMPLETE

00

99

TASK MANAGEMENT MESSAGES

105

ABORT TASK

00

105

ABORT TASK SET

06

106

CLEAR ACA

16

106

CLEAR TASK SET

0E

106

LOGICAL UNIT RESET

17

106

TARGET RESET

0C

106

WIDE DATA TRANSFER REQUEST

01, 03

100 (extended message)