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                         C141-E218-01EN 
MHV2120AT, MHV2100AT, MHV2080AT 
MHV2060AT, MHV2040AT 
 
DISK DRIVE 
 
PRODUCT 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 2004-11-15                *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted.  C141-E218                                                                                                                                                                                                                                                                                      
                    
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                        Preface  This manual describes MHV2120AT, MHV2100AT, MHV2080AT, MHV2060AT,  MHV2040AT model of the MHV 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  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 
                    
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                        Preface   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 moderate personal injury if the user does    not perform the procedure correctly.  This alert  signal also 
                    
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                         Preface  Attention  Please forward any comments you may have regarding this manual.  To make this manual easier for users to understand, opinions from readers are  needed.  Please write your opinions or requests on the Comment at the back of  this manual and forward it to the address described in the sheet.  Liability Exception  “Disk drive defects” refers to defects that involve adjustment, repair, or  replacement.  Fujitsu is not liable for any other disk drive defects, such as those caused b
                    
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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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                        Manual Organization    MHV2120AT, MHV2100AT,  •  Device Overview  MHV2080AT, MHV2060AT,   Device Configuration  MHV2040AT   Installation Conditions     Theory of Device Operation  DISK DRIVE   Interface  PRODUCT MANUAL   Operations  (C141-E218)          MHV2120AT, MHV2100AT,    Maintenance and Diagnosis  MHV2080AT, MHV2060AT,   Removal and Replacement Procedure  MHV2040AT    DISK DRIVE  MAINTENANCE MANUAL  (C141-F072)    C141-E218 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   CHAPTER 3 Installation Conditions ............................................................. 3-1  3.1  Dimensions ........................................................................................................ 3-2  3.2  Mounting............................................................................................................ 3-3  3.3  Cable Connections............................................................................................. 3-9  3.3.1  Device 
                    
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                         Contents  4.6.2  Write circuit.............................................................................................4-9  4.6.3  Read circuit............................................................................................4-10  4.6.4  Digital PLL circuit.................................................................................4-11  4.7  Servo Control ...................................................................................................4-12  4.7.1  Servo cont
                    
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                        Contents   (12)  STANDBY (X’96’ or X’E2’) .......................................................5-36  (13)  IDLE (X’97’ or X’E3’) .................................................................5-37  (14)  CHECK POWER MODE (X’98’ or X’E5’).................................5-39  (15)  SLEEP (X’99’ or X’E6’) ..............................................................5-40  (16)  SMART (X’B0) ............................................................................5-41  (17)  DEVICE CONFIGURA
                    
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                         Contents  (45)  WRITE MULTIPLE EXT (X’39’):  Option (customizing)........5-120  (46)  WRITE DMA FUA EXT (X’3D’):  Option (customizing) ........5-121  (47)  WRITE LOG EXT (X’3F’) [Optional command  (Customize)] ..............................................................................5-122  (48)  READ VERIFY SECTOR(S) EXT (X’42):  Option  (customizing) .............................................................................5-124  (49)  WRITE MULTIPLE FUA EXT (X’CE’):  Option  (customizi
                    
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                        Contents   5.6.3.1  Initiating an Ultra DMA data in burst ..................................... 5-151  5.6.3.2  Ultra DMA data burst timing requirements ............................ 5-152  5.6.3.3  Sustained Ultra DMA data in burst......................................... 5-155  5.6.3.4  Host pausing an Ultra DMA data in burst............................... 5-156  5.6.3.5  Device terminating an Ultra DMA data in burst..................... 5-157  5.6.3.6  Host terminating an Ultra DMA data in bur
                    
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                         Contents  6.4.3.1  Miss-hit ......................................................................................6-15  6.4.3.2  Sequential hit..............................................................................6-16  6.4.3.3  Full hit ........................................................................................6-17  6.4.3.4  Partial hit....................................................................................6-18  6.5  Write Cache..................................
                    
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                        Contents   Illustrations  Figures  Figure 1.1 Negative voltage at +5 V when power is turned off ......................... 1-6  Figure 1.2 Current fluctuation (Typ.) at +5 V when power is   turned on............................................................................................ 1-8    Figure 2.1 Disk drive outer view ........................................................................ 2-2  Figure 2.2 1 drive system configuration....................................................