Fujitsu MBA3073RC Computer Drive User Manual


 
Contents
1.5.6 SSP link layer ........................................................................................72
1.5.6.1 SSP frame transmission and reception ..................................................73
1.5.6.2 SSP flow control....................................................................................73
1.5.6.3 Interlocked frames.................................................................................73
1.5.6.4 Closing an SSP connection....................................................................76
1.6 Transport layer.........................................................................................78
1.6.1 SSP frame format ..................................................................................78
1.6.2 Information units ...................................................................................81
1.6.2.1 COMMAND information unit...............................................................81
1.6.2.2 TASK information unit..........................................................................84
1.6.2.3 XFER_RDY information unit ...............................................................86
1.6.2.4 DATA information unit.........................................................................89
1.6.2.5 RESPONSE information unit................................................................92
1.6.3 Sequences of SSP frames ......................................................................96
1.6.4 Exceptional event processing of a drive................................................98
CHAPTER 2 Command Processing .............................................................103
2.1 Command Format ..................................................................................103
2.2 Status Byte .............................................................................................108
2.3 Command Queuing Function.................................................................110
2.4 UNIT ATTENTION Condition .............................................................111
2.4.1 Generation of the UNIT ATTENTION condition...............................111
2.4.2 Response and release condition at UNIT ATTENTION condition
hold state...............................................................................................112
2.4.3 UNIT ATTENTION condition multiple hold .....................................113
2.5 Sense Data Hold State............................................................................113
2.6 Power Condition ....................................................................................114
2.7 LED Display ..........................................................................................116
2.8 Command Processing Exceptions..........................................................116
2.8.1 Overlapped tag ....................................................................................116
2.8.2 Illegal LUN specification ....................................................................117
C141-C013 9