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                         C141-E259-01EN 
MHW2160BJ, MHW2120BJ, MHW2080BJ 
 
DISK DRIVES 
 
PRODUCT/MAINTENANCE MANUAL 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                                                                                                                                                                                                                                                                                                                                                                         
                    
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                        FOR SAFE OPERATION  Handling of This Manual  This manual contains important information for using this product.  Read thoroughly before using  the product.  Use this product only after thoroughly reading and understanding especially the  section “Important Alert Items” in this manual.  Keep this manual handy, and keep it carefully.  FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering  damage to their property.  Use the product according to this manual.
                    
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                          Revision History  (1/1)  Revised section (*1)  Edition Date Details  (Added/Deleted/Altered)  01 2007-03-28                                                                                  *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted.      C141-E259                                                                                                                                                                                                                
                    
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                        Preface  This manual describes MHW2160BJ, MHW2120BJ, MHW2080BJ model of the  MHW Series, 2.5-inch hard disk drives.  These drives have a built-in controller  that is compatible with the Serial-ATA interface.  This manual describes the specifications and functions of the drives and explains  in detail how to incorporate the drives into user systems.  This manual assumes  that the reader has a basic knowledge of hard disk drives and their  implementations in computer systems.  This manual consists
                    
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                        Preface   Acronyms and Abbreviations  This section gives the meanings of the definitions used in this manual.  Conventions for Alert Messages  This manual uses the following conventions to show the alert messages.  An alert  message consists of an alert signal and alert statements.  The alert signal consists  of an alert symbol and a signal word or just a signal word.  The following are the alert signals and their meanings:    This indicates a hazardous situation could result in  minor or modera
                    
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                         Preface  Conventions  An MHW series device is sometimes simply referred to as a "hard disk drive,"  "HDD,"  "drive," or "device" in this document.  Decimal numbers are represented normally.  Hexadecimal numbers are represented as shown in the following examples:   X'17B9', 17B9h, 17B9 , or 17B9H.  H Binary numbers are represented as shown in the following examples:  010 or 010b.  Serial-ATA may be referred to as "SATA".    Representation of the data storage capacity  One gigabyte (GB) = one bil
                    
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                        Preface   Hot Plug  These drives support Hot Plug which is based on Serial ATA Revision 2.5  Specification.  However, the disk drive installation and removal notes on safety precautions with  regard to hot-plugging vary depending on the specific requirements and  environment-related conditions of the system to which the drive is connected by  hot-plugging.  When using the drive under general conditions of use (i.e., without hot-plugging),  observe the important alert messages and notes on safety
                    
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                          Important Alert Items  Important Alert Messages  The important alert messages in this manual are as follows:    A hazardous situation could result in minor or moderate personal  injury if the user does not perform the procedure correctly.  Also,   damage to the product or other property, may occur if the user does not  perform the procedure correctly.    Task Alert message Page  Normal Operation 3-7  Data corruption:  Avoid mounting the disk near strong  magnetic sources such as loud speakers.
                    
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                        Important Alert Items    Task Alert message Page  Maintenance   Device damage  1. Before touching a PCA or the drive, wear a wrist strap 7-2  and perform the human body grounding to discharge  static electricity from your body.  This will prevent  irreparable damage to the PCA and the head of the drive.  2. Don’t install or remove a PCA or connect or disconnect  a cable or connector plug when the drive is powered.   This will prevent electrical damage to the disk drive.  3. Operating the disk dr
                    
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                        Manual Organization    MHW2160BJ, MHW2120BJ  •  Device Overview  MHW2080BJ    Device Configuration     Installation Conditions  DISK DRIVES   Theory of Device Operation  PRODUCT/MAINTENANCE   Interface  MANUAL   Operations  (C141-E259)   Maintenance and Diagnosis          C141-E259 vii                                                                                                                                                                                                   
                    
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                        Contents  CHAPTER 1 Device Overview ....................................................................... 1-1  1.1  Features .............................................................................................................. 1-2  1.1.1  Functions and performance ..................................................................... 1-2  1.1.2  Adaptability............................................................................................. 1-2  1.1.3  Interface...............
                    
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                        Contents   2.2  System Configuration.........................................................................................2-3  2.2.1  SATA interface........................................................................................2-3  2.2.2  Drive connection .....................................................................................2-3  CHAPTER 3 Installation Conditions..............................................................3-1  3.1  Dimensions...........................
                    
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                         Contents  4.6.3  Read circuit ........................................................................................... 4-11  4.6.4  Digital PLL circuit ................................................................................ 4-12  4.7  Servo Control ................................................................................................... 4-13  4.7.1  Servo control circuit.............................................................................. 4-13  4.7.2  Data-surface
                    
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                        Contents   (9) DOWNLOAD MICROCODE (X '92').......................................... 5-43  (10) STANDBY IMMEDIATE (X '94' or X 'E0') ................................ 5-46  (11) IDLE IMMEDIATE (X '95' or X 'E1')/UNLOAD  IMMEDIATE (X '95' or X 'E1') .................................................... 5-47  (12) STANDBY (X '96' or X 'E2') ........................................................ 5-49  (13) IDLE (X '97' or X 'E3').................................................................. 5-5
                    
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                         Contents  (44) SET MAX ADDRESS EXT (X '37')........................................... 5-155  (45) WRITE MULTIPLE EXT (X '39').............................................. 5-157  (46) WRITE DMA FUA EXT (X '3D') .............................................. 5-158  (47) WRITE LOG EXT (X '3F') ......................................................... 5-159  (48) READ VERIFY SECTOR (S) EXT (X '42')............................... 5-163  (49) WRITE UNCORRECTABLE EXT (X '39') .......................
                    
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                        Contents   6.3  Power Save Controlled by Interface Power Management (IPM) .....................6-11  6.3.1  Power save mode of the interface..........................................................6-11  6.4  Read-ahead Cache ............................................................................................6-13  6.4.1  Data buffer structure..............................................................................6-13  6.4.2  Caching operation........................................
                    
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                         Contents  Glossary............................................................................................................GL-1  Acronyms and Abbreviations ........................................................................ AB-1  Index ..................................................................................................................IN-1   C141-E259 xv                                                                                                                          
                    
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                        Contents   Illustrations  Figures  Figure 1.1  Permissible range of +5V rise slope .....................................................1-6  Figure 1.2  The example of negative voltage waveform at +5 V    when power is turned off......................................................................1-7  Figure 1.3  Current fluctuation (Typ.) at +5 V when power is turned on ...............1-9    Figure 2.1  Disk drive outerview ......................................................................