1.7
Bus Conditions ................................................................................................................................105
1.7.1
ATTENTION condition ................................................................................................................105
1.7.2
RESET condition...........................................................................................................................108
1.8
Bus Phase Sequence ........................................................................................................................109
1.8.1
1.8.2
1.9
SPI information units.......................................................................................................................119
1.9.1
1.9.2
1.9.3
SPI information units.....................................................................................................................125
1.10
SCAM..............................................................................................................................................136
1.10.1 SCAM operations ..........................................................................................................................136
1.11
Ultra SCSI .......................................................................................................................................141
1.11.1 Outline...........................................................................................................................................141
1.11.2 Device connection .........................................................................................................................141
1.12
Low-Voltage Differential ................................................................................................................146
1.12.1 Ultra2-SCSI...................................................................................................................................146
1.12.2 Ultra-160 .......................................................................................................................................146
1.12.3 Ultra-320 .......................................................................................................................................146
1.12.6 LVD capacitive loads ....................................................................................................................149
1.13
SCSI bus fairness.............................................................................................................................151
SCSI MESSAGE............................................................................................................153
2.1
Message System ..............................................................................................................................153
2.1.1
Message format .............................................................................................................................153
2.1.2
Message type .................................................................................................................................155
6
C141-C015