Fujitsu MHT2040AH Manuals

Manuals and User Guides for Fujitsu MHT2040AH. We have 1 Fujitsu MHT2040AH manual available for free PDF download: Product Manual

Fujitsu MHT2040AH Product Manual

Fujitsu MHT2040AH Product Manual (250 pages)

Disk Drives

Brand: Fujitsu | Category: Storage | Size: 1.33 MB

Table of Contents

Revision History
3
Operating Environment
6
Important Alert Items
9
Manual Organization
11
Table of Contents
13
CHAPTER 1 Device Overview

21
- Features
  22
- Functions and Performance
  22
- Adaptability
  22
- Interface
  23
- Device Specifications
  24
- Specifications Summary
  24
- Table 1.1 Specifications
  24
- Model and Product Number
  25
- Power Requirements
  25
- Table 1.2 Model Names and Product Numbers
  25
- Figure 1.1 Negative Voltage at +5 V When Power Is Turned off
  26
- Table 1.3 Current and Power Dissipation
  27
- Environmental Specifications
  28
- Figure 1.2 Current Fluctuation (Typ.) at +5 V When Power Is Turned on
  28
- Table 1.4 Environmental Specifications
  28
- Acoustic Noise
  29
- Shock and Vibration
  29
- Table 1.5 Acoustic Noise Specification
  29
- Table 1.6 Shock and Vibration Specification
  29
- Reliability
  30
- Error Rate
  31
- Media Defects
  31
- Load/Unload Function
  31
- Advanced Power Management
  32
CHAPTER 2 Device Configuration

35
- Device Configuration
  36
- Figure 2.1 Disk Drive Outerview
  36
- System Configuration
  37
- ATA Interface
  37
- Drive Connection
  37
- Figure 2.2 1 Drive System Configuration
  37
- Drives Connection
  38
- Figure 2.3 2 Drives Configuration
  38
CHAPTER 3 Installation Conditions

39
CHAPTER 4 Theory of Device Operation

53
- Outline
  54
- Subassemblies
  54
- Disk
  54
- Spindle
  54
- Actuator
  54
- Air Filter
  55
- Circuit Configuration
  55
- Figure 4.1 Power Supply Configuration
  56
- Figure 4.2 Circuit Configuration
  57
- Power-On Sequence
  58
- Figure 4.3 Power-On Operation Sequence
  58
- Self-Calibration
  59
- Self-Calibration Contents
  59
- Execution Timing of Self-Calibration
  60
- Command Processing During Self-Calibration
  60
- Read/Write Circuit
  61
- Read/Write Preamplifier (Preamp)
  61
- Write Circuit
  61
- Figure 4.4 Read/Write Circuit Block Diagram
  61
- Read Circuit
  62
- Figure 4.5 Frequency Characteristic of Programmable Filter
  62
- Digital PLL Circuit
  63
- Servo Control
  64
- Servo Control Circuit
  64
- Figure 4.6 Block Diagram of Servo Control Circuit
  64
Index

65
CHAPTER 5 Interface

71
CHAPTER 6 Operations

217
- Device Response to the Reset
  218
- Response to Power-On
  218
- Response to Hardware Reset
  219
  - Figure 6.1 Response to Power-On
    219
  - Figure 6.2 Response to Hardware Reset
    220
- Response to Software Reset
  221
- Figure 6.3 Response to Software Reset
  221
- Response to Diagnostic Command
  222
- Figure 6.4 Response to Diagnostic Command
  222
- Power Save
  223
- Power Save Mode
  223
- Power Commands
  225
- Defect Processing
  225
- Spare Area
  225
- Alternating Processing for Defective Sectors
  226
  - Figure 6.5 Sector Slip Processing
    226
  - Figure 6.6 Automatic Alternating Processing
    227
- Read-Ahead Cache
  228
- DATA Buffer Structure
  228
- Figure 6.7 Data Buffer Structure
  228
- Caching Operation
  229
- Using the Read Segment Buffer
  231
- Miss-Hit
  231
- Sequential Hit
  232
- Full Hit
  233
- Partial Hit
  234
- Write Cache
  235
- Cache Operation
  235
Glossary

237
Acronyms and Abbreviations

241

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