Seagate M8U-Internal SpinPoint Manuals

Manuals and User Guides for Seagate M8U-Internal SpinPoint. We have 1 Seagate M8U-Internal SpinPoint manual available for free PDF download: Product Manual

Seagate M8U-Internal SpinPoint Product Manual

Seagate M8U-Internal SpinPoint Product Manual (111 pages)

2.5” Hard Disk Drive

Brand: Seagate | Category: Computer Hardware | Size: 2.58 MB

Table of Contents

Table of Contents
3
Table of Figures
8
Chapter 1 Scope

9
- User Definition
  
  9
- Manual Organization
  
  9
- Usb
  
  10
- Reference
  
  10
Chapter 2 Description

11
- Introduction
  
  11
- Key Features
  
  12
- Standards and Regulations
  
  13
- Hardware Requirements
  
  13
Chapter 3 Specifications

14
- Specification Summary
  
  14
  - Table 3-1 : Specifications
    14
- Physical Specifications
  
  15
- Logical Configurations
  
  15
  - Table 3-2: Physical Specifications
    15
  - Table 3-3: Logical Configurations
    15
- Performance Specifications
  
  16
  - Table 3-4: Performance Specifications
    16
- Power Consumption
  
  17
  - Table 3-5: Power Consumption
    17
- Environmental Specifications
  
  18
  - Table 3-6: Environmental Specifications
    18
  - Figure 3-1 : Measurement Position
    19
- Reliability Specifications
  
  20
  - Table 3-7: Reliability Specifications
    20
Chapter 4 Installation

21
- Space Requirements
  
  21
  - Figure 4-1: Mechanical Dimension
    21
- Unpacking Instructions
  
  22
- Mounting
  
  22
  - Orientation
    22
  - Ventilation
    23
  - Figure 4-2 : Mounting-Screw Clearance
    23
- Cable Connectors
  
  24
- Drive Installation
  
  27
- System Startup Procedure
  
  28
  - Table 4-2: Logical Drive Parameters
    28
Chapter 5 Disk Drive Operation

29
- Head / Disk Assembly (Hda)
  
  29
  - Base Casting Assembly
    29
  - DC Spindle Motor Assembly
    29
  - Figure 5-1: Exploded Mechanical View
    30
  - Disk Stack Assembly
    31
  - Head Stack Assembly
    31
  - Voice Coil Motor and Actuator Latch Assemblies
    31
  - Air Filtration System
    31
  - Load/Unload Mechanism
    31
- Drive Electronics
  
  32
- Servo System
  
  36
- Read and Write Operations
  
  36
  - The Read Channel
    36
  - The Write Channel
    37
- Firmware Features
  
  37
  - Read Caching
    37
  - Write Caching
    38
  - Defect Management
    39
  - Automatic Defect Allocation
    39
  - Multi-Burst ECC Correction
    39
Chapter 6 Usb Interface and Usb Commands

40
- Introduction
  
  40
- Physical Interface
  
  40
  - Figure 6-1: Interlayer Communication Flow
    40
    
    Connector
    41
    
    Figure 6-2: Keyed Connector Protocol
    41
    
    Mechanical Interface
    41
    
    Mechanical Overview
    41
    
    Table 6-1: USB Connector Termination Data
    42
    
    USB Connector Termination Data
    42
    
    Figure 6-3: USB Series "A" Receptacle Interface
    43
    
    Series "A" and Series "B" Receptacles
    43
    
    Figure 6-4: USB Series "B" Receptacle Interface
    44
    
    Figure 6-5: USB Series "B" Plug Interface
    44
    
    Series "A" and Series "B" Plugs
    44
    
    Cable
    45
    
    Cable Assembly
    45
    
    Figure 6-6: USB Series "B" Plug Interface
    45
    
    Standard Detachable Cable Assemblies
    45
    
    Figure 6-7: USB Standard Detachable Cable Assembly
    46
    
    Figure 6-8: USB High-/Full-Speed Hardwired Cable Assembly
    46
    
    High-/Full-Speed Captive Cable Assemblies
    46
    
    Figure 6-9: USB Low-Speed Hardwired Cable Assembly
    47
    
    Low-Speed Captive Cable Assemblies
    47
    
    Prohibited Cable Assemblies
    47
    
    Electrical Interface
    48
    
    Electrical Overview
    48
    
    Figure 6-10: USB Cable Signal
    48
    
    Figure 6-11: Example High-Speed Capable Transceiver Circuit
    49
    
    Signaling
    49
    
    High-Speed (480Mb/S) Driver Characteristics
    50
    
    High-Speed (480Mb/S) Receiver Characteristics
    51
    
    High-Speed (480Mb/S) Signaling Rise and Fall Times
    51
    
    High-Speed (480Mb/S) Signaling Levels
    52
    
    Table 6-2: High-Speed Signaling Levels
    52
    
    Bus-Powered Hubs
    53
    
    Overview
    53
    
    Power Distribution
    53
    
    Figure 6-12: Compound Bus-Powered Hub
    54
    
    Self-Powered Hubs
    54
- Protocol Layer
  
  55
  - Protocol Layer Overview
    55
  - Figure 6-13: Compound Self-Powered Hub
    55
  - Common USB Packet Fields
    56
  - SYNC Fields
    56
  - Packet Identifier Fields
    56
  - Figure 6-14: PID Format
    56
  - Address Fields
    57
  - Table 6-3: PID Types
    57
  - Endpoint Fields
    58
  - Frame Number Fields
    58
  - Data Fields
    58
  - Cyclic Redundancy Checks
    58
  - Figure 6-15 : ADDR
    58
  - Figure 6-16: Endpoint Field
    58
  - Figure 6-17: Data Field Format
    58
  - Packet Format
    59
  - Token Packet
    59
  - Figure 6-18: Token Format
    59
  - Data Packet
    60
  - Handshake Packet
    60
  - Figure 6-19: Data Packet Format
    60
  - Figure 6-20: Handshake Format
    60
  - Start-Of-Frame Packets
    61
  - Pipes
    61
  - Figure 6-21: SOF Packet
    61
  - Transfer/Endpoint Types
    62
  - Control Transaction
    63
  - Figure 6-22: Control Transaction Model
    63
  - Figure 6-23: Setup Stage
    63
  - Figure 6-24: Data Stage
    64
  - Figure 6-25: Status in Stage
    64
  - Bulk Transaction
    65
  - Figure 6-26: Status out Stage
    65
  - Figure 6-27: Bulk Transaction Model
    65
  - Figure 6-28: Bulk Transaction Diagram
    66
  - USB Device Generic Framework
    67
  - USB Device State
    67
  - Figure 6-29: Enumeration
    67
  - Attatched
    68
  - Powered
    68
  - Table 6-4: Visible Device States
    68
  - Default
    69
  - Address
    69
  - Configured
    69
  - Suspended
    69
  - Bus Enumeration
    70
  - Generic USB Device Operation
    70
  - Dynamic Attachment and Removal
    70
  - Figure 6-30: Enumeration
    70
  - Address Assignment
    71
  - Configuration
    71
  - Data Transfer
    71
  - Power Management
    71
  - Request Processing
    72
  - Standard USB Device Requests
    72
  - Table 6-5: Format of Setup Data
    72
  - Figure 6-31: Windex Format When Specifying an Endpoint
    73
  - Figure 6-32: Windex Format When Specifying an Interface
    73
  - Standard USB Device Request Overview
    74
  - Table 6-6: Standard Device Request
    74
  - Clear Feature (Request Code 1)
    75
  - Table 6-7 : Standard Request Codes
    75
  - Table 6-8 : Descriptor Types
    75
  - Table 6-9: Standard Feature Sectors
    75
  - Get Configuration (Request Code 8)
    76
  - Get Descriptor (Request Code 6)
    76
  - Get Interface (Request Code 10)
    77
  - Get Status (Request Code 0)
    77
  - Figure 6-33 Information Returned by a Getstatus() Request to a Device
    78
  - Figure 6-34: Information Returned by a Getstatus() Request to an Interface
    78
  - Figure 6-35: Information Returned by a Getstatus() Request to an Endpoint
    78
  - Set Address (Request Code 5)
    79
  - Set Configuration (Request Code9)
    79
  - Set Descriptor (Request Code 7)
    79
  - Set Feature (Request Code 3)
    80
  - Set Interface (Request Code 11)
    81
  - Synch Frame (Request Code 12)
    81
  - Table 6-10: Test Mode Selectors
    81
  - Standard USB Descriptor
    82
  - Standard USB Descriptor Overview
    82
  - Device Descriptor
    83
  - Table 6-11: Standard Device Descriptor
    83
  - Device Qualifier Descriptor
    84
  - Table 6-12: Device Qualifier Descriptor
    84
  - Configuration Descriptor
    85
  - Table 6-13: Standard Configuration Descriptor
    85
  - Other_Speed_Configuration_ Descriptor
    86
  - Table 6-14: Other Speed Configuration Descriptor
    86
  - Interface Descriptor
    87
  - Table 6-15: Standard Interface Descriptor
    87
  - Endpoint Descriptor
    88
  - Table 6-16: Standard Endpoint Descriptor
    88
  - String Descriptor
    90
  - Table 6-17: Allowed Wmaxpacketsize Values for Different Numbers of Transaction Per Microframe
    90
  - Table 6-18: String Descriptor Zero, Specifying Language Supported by the Device
    90
  - Table 6-19: UNICODE String Descriptor
    90
- Bulk-Only Transport
  
  91
  - Functional Characteristics
    91
  - Bulk-Only Mass Storage Reset (Class-Specific Request)
    91
  - Get Max LUN (Class-Specific Request)
    91
  - Host/Device Packet Transfer Order
    92
  - Command Queuing
    92
  - Bi-Directional Command Protocol
    92
  - Standard Descriptors
    92
  - Device Descriptor
    92
  - Table 6-20: Bulk Only Transport Device Descriptor
    93
  - Table 6-21: Example Serial Number Format
    93
  - Configuration Descriptor (Table 6-22)
    94
  - Interface Descriptor
    94
  - Table 6-22: Bulk Only Transport Configuration Descriptor
    94
  - Table 6-23: Bulk Only Data Interface Descriptor
    94
  - Endpoint Descriptor
    95
  - Protocol (Command/Data/Status)
    95
  - Table 6-24: Bulk-In Endpoint Descriptor
    95
  - Table 6-25: Bulk-Out Endpoint Descriptor
    95
  - Figure 6-36: Command/Data/Status Flow
    96
  - Figure 6-37: Status Transport Flow
    96
  - Command Block Wrapper (Cbw)
    97
  - Table 6-26: Command Block Wrapper
    97
  - Command Status Wrapper (Csw)
    98
  - Table 6-27: Command Status Wrapper
    98
  - Table 6-28: Command Block Status Values
    98
  - Data Transfer Conditions
    99
  - Command Transport
    99
  - Data Transport
    99
  - Status Transport
    99
  - Phase Error
    99
  - Reset Recovery
    99
    
    Host/Device Data Transfers
    99
    
    Overview
    99
    
    Valid and Meaningful Cbw
    100
    
    Valid and Meaningful Csw
    100
    
    Cbw Not Valid
    101
    
    Command Failure
    101
    
    Device Error Handling
    101
    
    Error Classes
    101
    
    Host Error Handling
    101
    
    Host/Device Disagreements
    101
    
    Internal Device Error
    101
- Ufi Command Set
  
  102
  - Overview
    102
  - Host/Ufi Device Conceptual View
    102
  - Figure 6-38: Host/Ufi Device Conceptual View
    102
  - Ufi Command Set Overview
    103
  - Table 6-29: UFI Commands Set
    103
  - INQUIRY Command (12H)
    104
  - Table 6-30: INQUIRY Command
    104
  - Table 6-31: INQUIRY Data Format
    104
  - READ (10) Command (28H)
    105
  - READ CAPACITY Command (25H)
    105
  - Table 6-32 : READ(10) Command
    105
  - Table 6-33: READ CAPACITY Command
    105
  - READ FORMAT CAPACITY Command (23H)
    106
  - Table 6-34: READ CAPACITY Data
    106
  - Table 6-35: READ FORMAT CAPACITY Command
    106
  - Capacity List
    107
  - Table 6-36: Capacity List
    107
  - Table 6-37: Capacity List Header
    107
  - Table 6-38: Current/Maximum Capacity Descriptor
    107
  - WRITE (10) Command (2Ah)
    108
  - Table 6-39: Descriptor Code Definition
    108
  - Table 6-40: Formattable Capacity Descriptor
    108
  - Table 6-41 : WRITE(10) Command
    108
Chapter 7 Maintenance

109

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