Fujitsu MBA3073 SERIES Technical Manual page 13

2.1.3 Message protocol...........................................................................................................................156
2.2 SCSI Pointer ....................................................................................................................................157
2.3 Message Explanation.......................................................................................................................160
2.3.1 TASK COMPLETE message: X'00'(T→I) ..................................................................................160
2.3.2 SAVE DATA POINTER message: X'02'(T→I) ..........................................................................160
2.3.3 RESTORE POINTERS message: X'03' (T→I) ............................................................................160
2.3.4 DISCONNECT message: X'04' (T→I) .........................................................................................160
2.3.5 INITIATOR DETECTED ERROR message: X'05'(I→T)...........................................................161
2.3.6 ABORT TASK SET message: X'06' (I→T).................................................................................161
2.3.7 MESSAGE REJECT message: X'07'(I↔T).................................................................................162
2.3.8 NO OPERATION message: X'08' (I→T) ....................................................................................162
2.3.9 MESSAGE PARITY ERROR message: X'09' (I→T) .................................................................162
2.3.10 LINKED TASK COMPLETE message: X'0A'(T→I)..................................................................163
2.3.11 TARGET RESET message: X'0C' (I→T) ....................................................................................163
2.3.12 ABORT TASK message: X'0D' (I→T)........................................................................................163
2.3.13 CLEAR TASK SET message: X'0E'(I→T)..................................................................................163
2.3.14 CONTINUE TASK message: X'12' (I→T)..................................................................................164
2.3.15 TARGET TRANSFER DISABLE message : X'13' (I→T)...........................................................164
2.3.16 LOGICAL UNIT RESET message : X'1C' (I→T)........................................................................165
2.3.17 Task attribute messages.................................................................................................................165
2.3.18 IGNORE WIDE RESIDUE message: X'23' (T→I) .....................................................................166
2.3.19 IDENTIFY message: X'80' to X'FF' (I↔T) .................................................................................167
2.3.20 SYNCHRONOUS DATA TRANSFER REQUEST message (I↔T)...........................................168
2.3.21 WIDE DATA TRANSFER REQUEST message (I↔T) ..............................................................176
2.3.22 PARALLEL PROTOCOL REQUEST message (I↔T)................................................................180
CHAPTER 3 ERROR RECOVERY...................................................................................................187
3.1 Error Conditions and Retry Procedure ............................................................................................187
3.2 Recovery Control.............................................................................................................................192
GLOSSARY .........................................................................................................................................195
ABBREVIATION......................................................................................................................................197
C141-C015 7