Fujitsu MBA3300 NP SERIES Manuals

Table of Contents

• • 1

    Disk Drives
  • 11

    Table of Contents

• 19

  Chapter 1 Scsi Bus

  • 19

    System Configuration
  • 20

    Figure 1.1 Example of SCSI Configuration
  • 21

    Interface Signal Definition
  • 21

    Figure 1.2 Interface Signals
  • 22

    Figure 1.3 DATA BUS and SCSI ID
  • 25

    Physical Requirements
  • 25

    Table 1.2 Single-Ended Maximum Distance Between Terminators
  • 26

    Interface Connector
  • 27

    Figure 1.5 SCSI Interface Connector (Cable Side) (16-Bit SCSI)
  • 30

    Figure 1.8 SCA-2 Type, 16-Bit SCSI Interface Connector (HDD Side)
  • 31

    Figure 1.9 SCA-2 Type, Single-Ended 16-Bit SCSI Connector Signal Assignment
  • 32

    Figure 1.10 SCA Type, Low-Voltage-Differential Connector Signal Assignment
  • 33

    Interface Cable
  • 34

    Figure 1.11 Connection of Interface Cable
  • 35

    Electrical Requirements
  • 35

    Single-Ended Type
    • 35

      Figure 1.12 Single-Ended SCSI Termination Circuit-1
    • 36

      Figure 1.13 Single-Ended SCSI Termination Circuit-2
    • 37

      Table 1.6 Output Characteristic
    • 37

      Table 1.7 Input Characteristic
  • 38

    Low-Voltage Differential Type
  • 38

    Figure 1.14 LVD SCSI Termination Circuit
  • 39

    Table 1.8 LVD DIFFSENS Driver Specifications
  • 39

    Table 1.9 DIFFSENS Receiver Operating Requirements
  • 41

    Internal Terminal Resistor and Power Supply for Terminating Resistor
  • 41

    Figure 1.15 Circuit for Mated Indications
  • 42

    Figure 1.16 16-Bit SCSI (Not SCA2) Terminating Resistor Circuit
  • 43

    Usage in 8-Bit/16-Bit Transfer Mode
  • 44

    Signal Driving Conditions
  • 44

    Table 1.12 Signal Status at Receiving End
  • 44

    Table 1.13 Signal Driving Method
  • 45

    Table 1.14 Bus Phases and Signal Sources
  • 46

    Timing Rule
  • 46

    Timing Value
  • 46

    Table 1.15 SCSI Bus Control Timing Values
  • 47

    Table 1.26 TYPE
  • 47

    Table 1.17 Miscellaneous SCSI Bus Data & Information Phase DT Timing Values
  • 48

    Table 1.18 SCSI Bus Data & Information Phase DT Timing Values
  • 49

    Table 1.19 Receive SCSI Bus Data & Information Phase DT Timing Values
  • 56

    Figure 1.17 Receiver De-Skew Parameters
  • 58

    Figure 1.18 Transmitter Skew
  • 59

    Figure 1.19 Transmitter Time Asymmetry
  • 60

    Measurement Point
  • 60

    Figure 1.20 Fast-5/10 Measurement Point
  • 61

    Figure 1.21 Fast-20 Measurement Point
  • 62

    Figure 1.22 LVD ST Data Transfer Measurement Point
  • 63

    Figure 1.23 LVD DT Data Transfer Measurement Point
  • 64

    Figure 1.24 LVD Mode DT Paced Transfer Measurement Point
  • 65

    Bus Phases
  • 65

    BUS FREE Phase
  • 66

    Figure 1.25 BUS FREE Phase
  • 67

    ARBITRATION Phase
  • 67

    1.6.2.1 Normal ARBITRATION
  • 69

    Figure 1.26 ARBITRATION Phase
  • 70

    1.6.2.2 Qas Arbitration
  • 72

    SELECTION Phase
  • 72

    Figure 1.27 QAS Phase
  • 75

    Figure 1.28 SELECTION Phase
  • 76

    RESELECTION Phase
  • 78

    Figure 1.29 RESELECTION Phase
  • 79

    INFORMATION TRANSFER Phases
  • 79

    Figure 1.30 INFORMATION TRANSFER Phase (Phase Control)
  • 80

    1.6.5.1 Asynchronous Transfer Mode
  • 83

    Figure 1.31 Transfer in Asynchronous Mode
  • 84

    1.6.5.2 Synchronous Mode
  • 87

    Figure 1.32 ST Transfer in Synchronous Mode
  • 93

    Figure 1.33 Data Group Pad Field and Pcrc Field Transfer
  • 94

    1.6.5.3 Paced Transfer
  • 97

    Figure 1.34 DT DATA in Phase Training Pattern
  • 99

    Figure 1.35 DT DATA OUT Phase Training Pattern
  • 100

    Figure 1.36 Usage of P1 to Establish Data Valid and Data Invalid States
  • 103

    Figure 1.37 READ STREAM and WRITE FLOW
  • 105

    Wide Mode Transfer (16-Bit SCSI)
  • 106

    COMMAND Phase
  • 106

    DATA Phase
  • 106

    Figure 1.38 Data Sequence at Data Transfer
  • 107

    Table 1.20 Parameters Used for Fast Synchronous Data Transfer Mode
  • 108

    STATUS Phase
  • 108

    MESSAGE Phase
  • 108

    Figure 1.39 Data Transfer Rate in Synchronous Mode
  • 109

    Signal Requirements Concerning Transition Between Bus Phases
  • 110

    Time Monitoring Feature
  • 110

    Figure 1.40 Switching Direction of Transfer Over Data Bus
  • 111

    Table 1.21 Retry Count Setting for RESELECTION Phase
  • 112

    Bus Conditions
  • 112

    ATTENTION Condition
  • 114

    Figure 1.41 ATTENTION Condition
  • 115

    RESET Condition
  • 116

    Bus Phase Sequence
  • 116

    Bus Phase Sequence with Information Units Disabled
  • 116

    Figure 1.42 RESET Condition
  • 117

    Figure 1.43 Bus Phase Sequence (1 of 2)
  • 118

    Figure 1.43 Bus Phase Sequence (2 of 2)
  • 119

    Figure 1.44 Example of Bus Phase Transition at Execution of a Single Command (1 of 5)
  • 120

    Figure 1.44 Example of Bus Phase Transition at Execution of a Single Command (2 of 5)
  • 121

    Figure 1.44 Example of Bus Phase Transition at Execution of a Single Command (3 of 5)
  • 122

    Figure 1.44 Example of Bus Phase Transition at Execution of a Single Command (4 of 5)
  • 123

    Figure 1.44 Example of Bus Phase Transition at Execution of a Single Command (5 of 5)
  • 124

    Phase Sequences with Information Unit Enabled
  • 124

    1.8.2.1 Phase Sequences for Physical Reconnection or Selection Without Using Attention Condition
    • 124

      Condition with Information Unit Transfers Enabled
    • 124

      Figure 1.45 Phase Sequences for Physical Reconnection or Selection Without Using Attention
  • 125

    1.8.2.2 Phase Sequences for Selection Using Attention Condition
  • 125

    Figure 1.46 Phase Sequences for Selection with Attention Condition with Information Unit
  • 126

    SPI Information Units
  • 126

    SPI Information Unit Overview
  • 126

    Information Unit Transfer Logical Operations
  • 128

    Figure 1.47 SPI Information Unit Sequence During Initial Connection
  • 129

    Figure 1.48 SPI Information Unit Sequence During Data Type Transfers
  • 130

    Figure 1.49 SPI Information Unit Sequence During Data Stream Type Transfers
  • 131

    Figure 1.50 SPI Information Unit Sequence During Status Transfers
  • 132

    SPI Information Units
  • 132

    1.9.3.1 SPI Command Information Unit
  • 133

    Table 1.22 SPI Command Information Unit
  • 133

    Task Attribute
  • 133

    Task Management Functions
  • 133

    Table 1.23 TASK ATTRIBUTE
  • 135

    1.9.3.2 SPI L_Q Information Unit
  • 135

    Table 1.25 SPI L_Q Information Unit
  • 137

    Bidi Direction
  • 137

    Table 1.27 BIDI DIRECTION
  • 138

    1.9.3.3 SPI Data Information Unit
  • 138

    Table 1.28 SPI Data Information Unit
  • 138

    Table 1.29 SPI Data Stream Information Unit
  • 139

    SPI Data Stream Information Unit
  • 140

    SPI Status Information Unit
  • 140

    Table 1.30 SPI Status Information Unit
  • 141

    Packetized Failure Code
    • 141

      Table 1.31 PACKETIZED FAILURES Field
    • 142

      Table 1.32 PACKETIZED FAILURE CODE
  • 143

    Scam
  • 143

    SCAM Operations
  • 145

    Figure 1.51 State of Level-1 SCAM Target
  • 146

    Figure 1.52 State of Level-2 SCAM Target
  • 148

    Ultra SCSI
  • 148

    Outline
  • 148

    Device Connection
  • 149

    Electrical Characteristics of SCSI Parallel Interface
  • 151

    Figure 1.53 Comparison of Active Negate Current and Voltage
  • 152

    Figure 1.54 Single-Ended Test Circuit
  • 153

    Low-Voltage Differential
  • 153

    Ultra2-Scsi
  • 153

    Ultra-160
  • 153

    Ultra-320
  • 154

    LVD Driver Characteristics
  • 154

    LVD Receiver Characteristics
  • 154

    Figure 1.55 LVD Transceiver Architecture
  • 155

    Figure 1.56 Connection to the LVD Receivers
  • 156

    LVD Capacitive Loads
  • 156

    Figure 1.57 Differential SCSI Bus Capacitive Loading
  • 157

    System Level Requirements for LVD SCSI Drivers and Receivers
  • 157

    Table 1.33 Maximum Capacitance
  • 158

    SCSI Bus Fairness
  • 158

    Table 1.34 System Level Requirements

• 160

  Chapter 2 Scsi Message

  • 160

    Message System
  • 160

    Message Format
  • 161

    Figure 2.1 Message Format
  • 162

    Message Type
  • 162

    Table 2.1 SCSI Message
  • 163

    Message Protocol
  • 163

    Table 2.2 Extended Message
  • 164

    SCSI Pointer
  • 166

    Figure 2.2 SCSI Pointer Configuration
  • 167

    Message Explanation
  • 167

    TASK COMPLETE Message: X'00'(T→I)
  • 167

    SAVE DATA POINTER Message: X'02'(T→I)
  • 167

    RESTORE POINTERS Message: X'03' (T→I)
  • 167

    DISCONNECT Message: X'04' (T→I)
  • 168

    INITIATOR DETECTED ERROR Message: X'05'(I→T)
  • 168

    ABORT TASK SET Message: X'06' (I→T)
  • 169

    MESSAGE REJECT Message: X'07'(I↔T)
  • 169

    NO OPERATION Message: X'08' (I→T)
  • 169

    MESSAGE PARITY ERROR Message: X'09' (I→T)
  • 170

    LINKED TASK COMPLETE Message: X'0A'(T→I)
  • 170

    TARGET RESET Message: X'0C' (I→T)
  • 170

    ABORT TASK Message: X'0D' (I→T)
  • 170

    CLEAR TASK SET Message: X'0E'(I→T)
  • 171

    CONTINUE TASK Message: X'12' (I→T)
  • 171

    TARGET TRANSFER DISABLE Message : X'13' (I→T)
  • 172

    LOGICAL UNIT RESET Message : X'1C' (I→T)
  • 172

    Task Attribute Messages
  • 173

    IGNORE WIDE RESIDUE Message: X'23' (T→I)
  • 174

    IDENTIFY Message: X'80' to X'FF' (I↔T)
  • 175

    SYNCHRONOUS DATA TRANSFER REQUEST Message (I↔T)
  • 178

    Table 2.4 Synchronous Mode Data Transfer Request Setting
  • 180

    Table 2.5 Transfer Mode Setup Request From INIT to HDD
  • 182

    Table 2.6 Transfer Mode Setup Request From HDD to INIT
  • 183

    WIDE DATA TRANSFER REQUEST Message (I↔T)
  • 186

    Table 2.8 Wide Mode Setting Request From the INIT to the HDD
  • 187

    PARALLEL PROTOCOL REQUEST Message (I↔T)
  • 187

    Table 2.9 Wide Mode Setting Request From the HDD to the INIT
  • 188

    Table 2.10 TRANSFER PERIOD FACTOR Field
  • 190

    Table 2.11 Valid Protocol Options Bit Combinations
  • 192

    Table 2.12 PARALLEL PROTOCOL REQUEST Message Implied Agreement

• 194

  Chapter 3 Error Recovery

  • 194

    Error Conditions and Retry Procedure
  • 199

    Recovery Control
  • 200

    Table 3.1 Retry Procedure for SCSI Error
  • 202

    Glossary
  • 204

    Abbreviation