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Fujitsu manual 253

Models: MHZ2080BJ MHZ2120BJ MHZ2160BJ MHZ2200BJ MHZ2250BJ MHZ2320BJ

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5.4 Command Protocol

RegHD

Host

Device

PIO Setup

DATA

Figure 5.14 PIO data-in command protocol

C141-E280

5-179

Contents

MHZ2320BJ, MHZ2250BJ, MHZ2200BJ, MHZ2160BJ, MHZ2120BJ, MHZ2080BJ DISK DRIVES PRODUCT/MAINTENANCE MANUAL FOR SAFE OPERATION Revision History Page Preface Overview of Manual Conventions for Alert Messages Operating Environment Conventions Attention Liability Exception Hot Plug Important Alert Items Important Alert Messages Page Manual Organization Page Contents Page Interface Page Page CHAPTER 7 Maintenance and Diagnosis GL-1 Acronyms and Abbreviations AB-1 IN-1 Illustrations Page Tables Page CHAPTER 1 Device Overview 1.1 Features 1.1.3 Interface Page 1.2 Device Specifications Page 1.2.2 Model and product number 1.3 Power Requirements Page Page 1.4 Environmental Specifications 1.5 Acoustic Noise 1.6 Shock and Vibration Reliability 1.8 Error Rate 1.9 Media Defects 1.10 Load/Unload Function 1.11Advanced Power Management (APM) Page 1.12 Interface Power Management (IPM) Page CHAPTER 2 Device Configuration 2.1 Device Configuration 2.2 System Configuration Page CHAPTER 3 Installation Conditions 3.1 Dimensions 3.2 Mounting Page Page Page Page Page 3.3 Connections with Host System 3.3.2 Signal segment and power supply segment 3.3.3 Connector specifications for host system 3.3.4 SATA interface cable connection 3.3.5 Note about SATA interface cable connection Page CHAPTER 4 Theory of Device Operation 4.1 Outline 4.2 Subassemblies 4.3 Circuit Configuration Page Page 4.4 Power-onSequence Page 4.5 Self-calibration 4.5.2 Execution timing of self-calibration 4.5.3 Command processing during self-calibration 4.6 Read/write Circuit 4.6.3 Read circuit 4.6.4 Digital PLL circuit 4.7 Servo Control Page 4.7.2 Data-surfaceservo format Page 4.7.3 Servo frame format 4.7.4 Actuator motor control 4.7.5 Spindle motor control CHAPTER 5 Interface 5.1 Physical Interface Page 5.1.2 Signal interface regulation Page 5.1.3 Electrical specifications 5.1.4 Connector pinouts 5.1.5 P11 function Page 5.1.6 Hot Plug 5.2 Logical Interface 5.2.1 Communication layers 5.2.2 Outline of the Shadow Block Register 5.2.3 Outline of the frame information structure (FIS) Page Page Page Page Page Page Page 5.2.4 Shadow block registers Page Page Page Page 5.3 Host Commands Page Page 5.3.2 Command descriptions Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 5.3.3 Error posting Page 5.4 Command Protocol 5.4.1 Non-datacommand protocol Page 5.4.2 PIO data-incommand protocol Page 5.4.3 PIO data-outcommand protocol Page 5.4.4 DMA data-incommand protocol 5.4.5 DMA data-outcommand protocol 5.4.6 Native Command Queuing protocol Page Page 5.5 Power-onand COMRESET Page CHAPTER 6 Operations 6.1 Reset and Diagnosis Page 6.1.2 Response to COMRESET Page Page 6.1.3 Response to a software reset 6.2 Power Save Page 6.2.2 Power commands 6.3Power Save Controlled by Interface Power Management (IPM) Page 6.4 Read-aheadCache 6.4.2 Caching operation Page 6.4.3 Using the read segment buffer Page Page Page 6.5 Write Cache Page Page CHAPTER 7 Maintenance and Diagnosis 7.1 Maintenance 7.1.2 Maintenance requirements Page 7.1.3 Maintenance levels 7.1.4 Disk drive revision number Page 7.1.5 Tools and test equipment 7.1.6 Self-diagnostics 7.1.7 Test Page Page 7.2 Operation Confirmation 7.3 Troubleshooting Procedure Page 7.3.3 Troubleshooting at factory 7.4 Disk Drive Removal Procedure 7.5Spare Disk Drive Page Glossary Page Page Page Acronyms and Abbreviations Page Index Page Page Page Page Page Page Page Comment Form Page DISK DRIVES PRODUCT/MAINTENANCE MANUAL