Fujitsu MHT2040AT User Manuals

Table of Contents

• Front Cover

  1
• FOR SAFE OPERATION

  2
• Revision History

  3
• Preface

  5
• Important Alert Items

  9
• Manual Organization

  11
• Contents

  13
  • Illustrations

    18
• CHAPTER 1 Device Overview

  21
  • 1.1 Features

    22
    • 1.1.1 Functions and performance

      22
    • 1.1.2 Adaptability

      22
    • 1.1.3 Interface

      23
  • 1.2 Device Specifications

    24
    • 1.2.1 Specifications summary

      24
    • 1.2.2 Model and product number

      25
  • 1.3 Power Requirements

    25
  • 1.4 Environmental Specifications

    28
  • 1.5 Acoustic Noise

    29
  • 1.6 Shock and Vibration

    29
  • 1.7 Reliability

    30
  • 1.8 Error Rate

    31
  • 1.9 Media Defects

    31
  • 1.10Load/Unload Function

    31
  • 1.11Advanced Power Management

    32
• CHAPTER 2 Device Configuration

  35
  • 2.1 Device Configuration

    36
  • 2.2 System Configuration

    37
    • 2.2.1 ATA interface

      37
    • 2.2.2 1 drive connection

      37
    • 2.2.3 2 drives connection

      38
• CHAPTER 3 Installation Conditions

  39
  • 3.1 Dimensions

    40
  • 3.2 Mounting

    41
  • 3.3 Cable Connections

    47
    • 3.3.1 Device connector

      47
    • 3.3.2 Cable connector specifications

      48
    • 3.3.3 Device connection

      48
    • 3.3.4 Power supply connector (CN1)

      49
  • 3.4 Jumper Settings

    49
    • 3.4.1 Location of setting jumpers

      49
    • 3.4.2 Factory default setting

      50
    • 3.4.3 Master drive-slave drive setting

      50
    • 3.4.4 CSEL setting

      51
    • 3.4.5 Power Up in Standby setting

      52
• CHAPTER 4 Theory of Device Operation

  53
  • 4.1 Outline

    54
  • 4.2 Subassemblies

    54
    • 4.2.1 Disk

      54
    • 4.2.2 Spindle

      54
    • 4.2.3 Actuator

      54
    • 4.2.4 Air filter

      55
  • 4.3 Circuit Configuration

    55
  • 4.4 Power-on Sequence

    58
  • 4.5 Self-calibration

    59
    • 4.5.1 Self-calibration contents

      59
    • 4.5.2 Execution timing of self-calibration

      60
    • 4.5.3 Command processing during self-calibration

      61
  • 4.6 Read/write Circuit

    61
    • 4.6.1 Read/write preamplifier (PreAmp)

      61
    • 4.6.2 Write circuit

      61
    • 4.6.3 Read circuit

      63
    • 4.6.4 Digital PLL circuit

      64
  • 4.7 Servo Control

    65
    • 4.7.1 Servo control circuit

      65
    • 4.7.2 Data-surface servo format

      68
    • 4.7.3 Servo frame format

      70
    • 4.7.4 Actuator motor control

      71
    • 4.7.5 Spindle motor control

      72
• CHAPTER 5 Interface

  75
  • 5.1 Physical Interface

    76
    • 5.1.1 Interface signals

      76
    • 5.1.2 Signal assignment on the connector

      77
  • 5.2 Logical Interface

    80
    • 5.2.1 I/O registers

      81
    • 5.2.2 Command block registers

      82
    • 5.2.3 Control block registers

      87
  • 5.3 Host Commands

    88
    • 5.3.1 Command code and parameters

      88
    • 5.3.2 Command descriptions

      92
    • 5.3.3 Error posting

      181
  • 5.4 Command Protocol

    183
    • 5.4.1 PIO Data transferring commands from device to host

      183
    • 5.4.2 PIO Data transferring commands from host to device

      185
    • 5.4.3 Commands without data transfer

      187
    • 5.4.4 Other commands

      189
    • 5.4.5 DMA data transfer commands

      189
  • 5.5 Ultra DMA Feature Set

    192
    • 5.5.1 Overview

      192
    • 5.5.2 Phases of operation

      193
    • 5.5.3 Ultra DMA data in commands

      193
    • 5.5.4 Ultra DMA data out commands

      198
    • 5.5.5 Ultra DMA CRC rules

      202
    • 5.5.6 Series termination required for Ultra DMA

      203
  • 5.6 Timing

    204
    • 5.6.1 PIO data transfer

      204
    • 5.6.2 Multiword data transfer

      205
    • 5.6.3 Ultra DMA data transfer

      206
    • 5.6.4 Power-on and reset

      219
• CHAPTER 6 Operations

  221
  • 6.1 Device Response to the Reset

    222
    • 6.1.1 Response to power-on

      222
    • 6.1.2 Response to hardware reset

      223
    • 6.1.3 Response to software reset

      225
    • 6.1.4 Response to diagnostic command

      226
  • 6.2 Power Save

    227
    • 6.2.1 Power save mode

      227
    • 6.2.2 Power commands

      229
  • 6.3 Defect Processing

    229
    • 6.3.1 Spare area

      229
    • 6.3.2 Alternating processing for defective sectors

      230
  • 6.4 Read-ahead Cache

    232
    • 6.4.1 DATA buffer structure

      232
    • 6.4.2 Caching operation

      233
    • 6.4.3 Using the read segment buffer

      235
  • 6.5 Write Cache

    239
    • 6.5.1 Cache operation

      239
• Glossary

  243
• Acronyms and Abbreviations

  247
• Index

  249
• Comment Form

  251
• Back Cover

  256