Seagate ST34371 Manuals

Manuals and User Guides for Seagate ST34371. We have 1 Seagate ST34371 manual available for free PDF download: Product Manual

Seagate ST34371 Product Manual

Seagate ST34371 Product Manual (200 pages)

Brand: Seagate | Category: Storage | Size: 0 MB

Table of Contents

Table of Contents
6
1 Interface Requirements

11
2 SCSI Bus

16
- SCSI Bus Signals
  17
  - Drive Select
    18
  - Signal Values
    18
  - OR-Tied Signals
    18
  - Signal Sources
    18
- SCSI Bus Timing
  19
  - Arbitration Delay
    19
  - Assertion Period
    19
  - Bus Clear Delay
    20
  - Bus Free Delay
    20
  - Bus Set Delay
    20
  - Bus Settle Delay
    20
  - Cable Skew Delay
    20
  - Data Release Delay
    20
  - Deskew Delay
    20
  - Disconnection Delay
    20
  - Hold Time
    20
  - Negation Period
    20
  - Reset Hold Time
    21
  - Selection Abort Time
    21
  - Selection Timeout Delay
    21
  - Transfer Period(Negotiated by SDTR Message)
    21
- Fast Synchronous Transfer Option Timing
  21
  - Fast Assertion Period
    21
  - Fast Cable Skew Delay
    21
  - Fast Deskew Delay
    21
  - Fast Hold Time
    21
  - Fast Negation Period
    21
3 Logical Characteristics

22
- SCSI Bus Phases
  22
  - Bus Free Phase
    22
  - Arbitration Phase
    23
  - Selection Phase
    23
  - Reselection Phase
    25
  - Information Transfer Phases
    26
  - Command Phase
    28
  - Data Phase
    28
  - Status Phase (See Section 4.3)
    28
  - Message Phase
    29
  - Signal Restrictions between Phases
    29
- SCSI Bus Conditions
  30
- SCSI Bus Phase Sequences
  31
  - Nonarbitrating System
    31
  - Arbitrating Systems
    31
  - All Systems
    32
- SCSI Pointers
  33
  - Current Pointers
    34
  - Saved Pointers
    34
- Message System Specification
  34
  - General Message Protocol
    35
  - Messages - General
    35
  - Message Details
    37
    
    One and Two Byte Message
    37
    
    Extended Message
    45
4 SCSI Commands

52
- Command Implementation Requirements
  52
  - Reserved
    52
- Command Descriptor Block (CDB)
  52
  - Operation Code
    53
  - Logical Unit Number (LUN)
    54
  - Logical Block Address
    55
  - Relative Address Bit
    55
  - Transfer Length
    55
  - Control Byte
    56
- Status
  56
- Command Examples
  58
  - Single Command Example
    58
  - Disconnect Example
    60
- Timing Examples
  62
- Unit Attention Condition
  77
- Queued I/O Processes
  78
  - Untagged Queuing
    78
  - Tagged Queuing
    78
- Parameter Rounding
  80
- Command Processing Considerations and Exception Conditions
  80
5 Command Descriptions

82
- Command Descriptions for All Device Types
  82
  - Group 0 Commands for All Device Types
    82
    
    Test Unit Ready
    82
    
    Request Sense Command ............................................. (03H)
    83
    
    Deferred Errors
    91
    
    Inquiry Command .......................................................... (12H)
    92
    
    Vital Product Data
    96
    
    Copy Command
    105
    
    Receive Diagnostic Results Command
    105
    
    Send Diagnostic Command
    110
  - Group 1 Commands for All Device Types
    113
    
    Compare Command
    113
    
    Copy and Verify Command
    113
    
    Write Data Buffer Command
    113
    
    Combined Header and Data Mode
    114
    
    Download & Save Microcode Mode
    115
    
    Write Data Only
    115
    
    Read Combined Descriptor Header and Data Mode
    116
    
    Read Data Buffer Command
    116
    
    Read Data
    117
  - Group 2 Commands for All Device Types
    118
    
    Change Definition Command
    118
    
    Log Select Command
    118
    
    (Code 02, 03, 05H)
    126
    
    Write, Read and Verify Error Counter
    126
    
    Cache Statistics Page
    128
    
    Non-Medium Error Page
    128
    
    Log Sense Command
    129
    
    Other Group 2 Commands
    131
  - Groups 3 through 5 Commands for All Device Types
    131
    
    Group 6 Commands for All Device Types
    131
    
    Group 7 Commands for All Device Types
    131
- Command Descriptions for Direct Access Devices
  131
  - Group 0 Commands for Direct Access Devices
    131
    
    Format Unit Command
    132
    
    Rezero Unit Command
    132
    
    Reassign Blocks Command
    140
    
    Read Command
    142
    
    Write Command
    144
    
    Seek Command
    145
    
    Mode Select (6) Command
    146
    
    Reserve Command
    150
    
    Release Command
    152
    
    Mode Sense (6) Command
    153
    
    Start Stop Unit Command
    179
    
    Prevent/Allow Medium Removal Command
    180
  - Group 1 Command for Direct Access Devices
    180
    
    Read Capacity Command
    180
    
    Read Extended Command
    182
    
    Write Extended Command
    184
    
    Seek Extended Command
    185
    
    Write and Verify Command
    186
    
    Verify Command
    187
    
    Synchronize Cache Command
    188
    
    Read Defect Data Command
    189
- Read Long Command
  191
- Write Long Command
  193
- Reserve (10) Command
  194
- Release (10) Command
  195
- Mode Select (10) Command
  196
- Mode Sense (10) Command
  196
6 Seagate Technical Support Service

197

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