Fujitsu MHD2021AT - Manual

Fujitsu MHD2021AT

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Table of Contents:

  • Page 2 – FOR SAFE OPERATION; Handling of This Manual; The contents of this manual may be revised without prior notice.
  • Page 4 – Revision History; Edition
  • Page 6 – Preface; Overview of Manual
  • Page 7 – Conventions for Alert Messages; The following are the alert signals and their meanings:; Operating Environment; This product is designed to be used in offices or computer rooms.; Attention; Please forward any comments you may have regarding this manual.
  • Page 8 – Liability Exception
  • Page 10 – Important Alert Items; Important Alert Messages
  • Page 12 – Contents; CHAPTER 1
  • Page 13 – CHAPTER 3
  • Page 14 – CHAPTER 5
  • Page 16 – CHAPTER 6
  • Page 17 – Illustrations; Figures
  • Page 18 – Tables
  • Page 20 – CHAPTER 1 Device Overview
  • Page 21 – Device Overview
  • Page 23 – Device Specifications
  • Page 24 – Device Specifications
  • Page 25 – Table 1.3 Model names and product numbers; Power Requirements
  • Page 26 – Power Requirements; Table 1.4 Current and power dissipation
  • Page 27 – Environmental Specifications; Table 1.5 Environmental specifications
  • Page 28 – Shock and Vibration; Table 1.7 Shock and vibration specification
  • Page 30 – CHAPTER 2 Device Configuration; Device Configuration
  • Page 31 – Device Configuration; Figure 2.1 Disk drive outerview (the MHC Series and MHD Series)
  • Page 32 – Figure 2.2 Configuration of disk media heads; The disks are rotated by a direct drive Hall-less DC motor.
  • Page 33 – System Configuration; Figure 2.3 1 drive system configuration
  • Page 34 – System Configuration; Figure 2.4 2 drives configuration
  • Page 36 – CHAPTER 3 Installation Conditions; Dimensions
  • Page 37 – Installation Conditions
  • Page 40 – Figure 3.3 Mounting frame structure
  • Page 43 – Cable Connections; PCA
  • Page 44 – Cable Connections; Table 3.2 Cable connector specifications
  • Page 45 – Figure 3.9 Jumper location
  • Page 46 – Figure 3.10 shows the default setting position at the factory.; Figure 3.10 Factory default setting; Pins A and C should be open.
  • Page 47 – Figure 3.12 CSEL setting
  • Page 50 – CHAPTER 4 Theory of Device Operation; Outline
  • Page 51 – Theory of Device Operation
  • Page 52 – Figure 4.1 Head structure; %. The spindle is controlled with detecting a PHASE
  • Page 53 – Circuit Configuration
  • Page 54 – Circuit Configuration; Figure 4.2 Circuit Configuration
  • Page 56 – (1) Sensing and compensating for external forces
  • Page 58 – Table 4.1 Self-calibration execution timechart
  • Page 59 – Table 4.2 Write precompensation algorithm; Bits
  • Page 60 – Figure 4.4 Read/write circuit block diagram
  • Page 61 – Figure 4.5 Frequency characteristic of programmable filter
  • Page 62 – This circuit converts the 17-bit read data into the 16-bit NRZ data.
  • Page 63 – Figure 4.6 Block diagram of servo control circuit
  • Page 65 – Figure 4.7 Physical sector servo configuration on disk surface; Circumference
  • Page 67 – Figure 4.8 Servo frame format
  • Page 72 – CHAPTER 5 Interface
  • Page 73 – Interface; Physical Interface; Figure 5.1 Interface signals
  • Page 74 – Physical Interface; Table 5.1 Signal assignment on the interface connector
  • Page 77 – Logical Interface
  • Page 78 – Logical Interface
  • Page 90 – READ MULTIPLE command specifies
  • Page 91 – Figure 5.2 Execution example of READ MULTIPLE command
  • Page 103 – Table 5.4 Information to be read by IDENTIFY DEVICE command (1 of 3)
  • Page 105 – Table 5.4 Information to be read by IDENTIFY DEVICE command (2 of 3)
  • Page 107 – Table 5.4 Information to be read by IDENTIFY DEVICE command (3 of 3)
  • Page 109 – Table 5.5 Features register values and settable modes
  • Page 114 – Table 5.6 Diagnostic code
  • Page 125 – Table 5.7 Features Register values (subcommands) and functions
  • Page 127 – Table 5.8 Format of device attribute value data
  • Page 128 – Table 5.9 Format of insurance failure threshold value data
  • Page 132 – Table 5.10 Contents of security password
  • Page 136 – Table 5.11 Contents of SECURITY SET PASSWORD data
  • Page 137 – operation of the lock function
  • Page 141 – Data transferring commands from device to host
  • Page 142 – Command Protocol
  • Page 143 – Figure 5.4 Protocol for command abort; Data transferring commands from host to device
  • Page 147 – Figure 5.7 Normal DMA data transfer
  • Page 148 – Ultra DMA Feature Set
  • Page 151 – before the host asserts
  • Page 160 – after; after negating DMACK.; Ultra DMA CRC rules
  • Page 161 – Figure 5.8 An example of generation of parallel CRC
  • Page 162 – Series termination required for Ultra DMA; Table 5.15 Recommended series termination for Ultra DMA; DMARQ
  • Page 164 – Figure 5.10 Data transfer timing
  • Page 167 – Figure 5.13 Starting of Ultra DMA data In Burst transfer
  • Page 170 – Figure 5.14 Sustained Ultra DMA data in burst
  • Page 171 – If the t; Figure 5.15 Host pausing an Ultra DMA data in burst
  • Page 172 – Figure 5.16 Device terminating an Ultra DMA data in burst
  • Page 173 – Figure 5.17 Host terminating an Ultra DMA data in burst
  • Page 174 – Figure 5.18 Initiating an Ultra DMA data out burst
  • Page 175 – Figure 5.19 Sustained Ultra DMA data out burst
  • Page 176 – Figure 5.20 Device pausing an Ultra DMA data out burst
  • Page 177 – Figure 5.21 Host terminating an Ultra DMA data out burst
  • Page 178 – Figure 5.22 Device terminating an Ultra DMA data out burst
  • Page 179 – Figure 5.23 Power on Reset Timing
  • Page 180 – CHAPTER 6 Operations; Device Response to the Reset
  • Page 181 – Operations; Device Response to the Reset; PDIAG- signal: Negated within 1 ms and asserted within 30 seconds.
  • Page 182 – Device Response to the Reset
  • Page 183 – Figure 6.2 Response to hardware reset
  • Page 184 – Figure 6.3 Response to software reset
  • Page 185 – Figure 6.4 Response to diagnostic command
  • Page 186 – Address Translation; Following subsections explains the CHS translation mode.; Table 6.1 Default parameters
  • Page 188 – Idle mode
  • Page 190 – Defect Management
  • Page 191 – Figure 6.7 Sector slip processing
  • Page 192 – Figure 6.8 Alternate cylinder assignment
  • Page 193 – Figure 6.9 Data buffer configuration; All sectors to be processed by the command
  • Page 197 – DAP
  • Page 201 – Last LBA
  • Page 204 – Glossary; Actuator; A bus between the host CPU and adapter board; BIOS standard for drives
  • Page 206 – Status
  • Page 208 – Acronyms and Abbreviations
  • Page 210 – Index
  • Page 217 – Comment Form
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C141-E050-02EN

MHC2032AT, MHC2040AT
MHD2032AT, MHD2021AT

DISK DRIVES

PRODUCT MANUAL

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Summary

Page 2 - FOR SAFE OPERATION; Handling of This Manual; The contents of this manual may be revised without prior notice.

C141-E050-02EN FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product. Read thoroughly before usingthe product. Use this product only after thoroughly reading and understanding especially thesection “Important Alert Items” in this manual. Keep th...

Page 4 - Revision History; Edition

C141-E050-02EN Revision History (1/1) Edition Date Revised section (*1) (Added/Deleted/Altered) Details 01 1998-02-15 — — 02 1998-0- *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted.

Page 6 - Preface; Overview of Manual

C141-E050-02EN i Preface This manual describes the MHC Series and MHD Series, 2.5-inch hard disk drives.These drives have a built-in controller that is compatible with the ATA interface. This manual describes the specifications and functions of the drives and explains indetail how to incorporate the...

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