Fujitsu MJA2120BH Manuals

Manuals and User Guides for Fujitsu MJA2120BH. We have 1 Fujitsu MJA2120BH manual available for free PDF download: Product/Maintenance Manual

Fujitsu MJA2120BH Product/Maintenance Manual

Fujitsu MJA2120BH Product/Maintenance Manual (320 pages)

Maintenance Manual

Brand: Fujitsu | Category: Storage | Size: 3.53 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

23
CHAPTER 2 Device Configuration

41
- Device Configuration
  42
- Figure 2.1 Disk Drive Outerview
  42
- System Configuration
  43
  - SATA Interface
    43
  - Drive Connection
    43
  - Figure 2.2 Drive System Configuration
    43
CHAPTER 3 Installation Conditions

45
CHAPTER 4 Theory of Device Operation

57
- Outline
  58
- Subassemblies
  58
  - Disk
    58
  - Spindle
    58
  - Actuator
    58
  - Air Filter
    59
- Circuit Configuration
  59
- Figure 4.1 Power Supply Configuration
  60
- Figure 4.2 Circuit Configuration
  61
- Power-On Sequence
  62
- Figure 4.3 Power-On Operation Sequence
  63
- Self-Calibration
  64
- Read/Write Circuit
  66
  - Read/Write Preamplifier (Preamp)
    66
  - Write Circuit
    66
  - Figure 4.4 Read/Write Circuit Block Diagram
    66
  - Read Circuit
    67
  - Digital PLL Circuit
    67
- Servo Control
  68
CHAPTER 5 Interface

75
CHAPTER 6 Operations

263
- Reset and Diagnosis
  264
- Power Save
  270
  - Power Save Mode
    270
  - Power Commands
    272
- Power Save Controlled by Interface Power Management (IPM)
  273
  - Power Save Mode of the Interface
    273
- Read-Ahead Cache
  275
  - Data Buffer Structure
    275
  - Figure 6.5 Data Buffer Structure
    275
  - Caching Operation
    276
  - Using the Read Segment Buffer
    278
- Write Cache
  282
  - Cache Operation
    282
CHAPTER 7 Maintenance and Diagnosis

285
- Maintenance
  286
  - Rules for Maintenance
    286
  - Maintenance Requirements
    287
  - Maintenance Levels
    289
  - Disk Drive Revision Number
    290
    
    Figure 7.1 Disk Drive Revision Number Label
    290
    
    Figure 7.2 Display of Disk Drive Revision Number
    291
  - Tools and Test Equipment
    292
  - Self-Diagnostics
    292
  - Test
    292
    
    Figure 7.3 Test Flowchart
    293
    
    Table 7.1 Status Field Contents
    294
    
    Table 7.2 Disposition for Error Field Contents
    294
- Operation Confirmation
  295
  - Operation Test
    295
  - Diagnostic Test
    295
- Troubleshooting Procedure
  296
- Disk Drive Removal Procedure
  299
- Spare Disk Drive
  299
Glossary

301
Acronyms and Abbreviations

305
Index

307

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