Fujitsu MHU2100AT Maintenance Manual
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Fujitsu MHU2100AT Maintenance Manual

Fujitsu MHU2100AT Maintenance Manual

2.5-inch hard disk drive with a built-in controller
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C141-F067-01EN
MHU2100AT
DISK DRIVE
MAINTENANCE MANUAL

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Summary of Contents for Fujitsu MHU2100AT

  • Page 1 C141-F067-01EN MHU2100AT DISK DRIVE MAINTENANCE MANUAL...
  • Page 2 “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.

  • Page 3: Revision History

    Revision History (1/1) Edition Date Revised section (*1) Details (Added/Deleted/Altered) 2003-12-01 — — *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted. C141-F067-01EN...
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  • Page 5 Preface This manual describes the MHU2100AT 2.5-inch hard disk drive with a built-in controller that is compatible with the ATA interface. This manual explains, in detail, how to maintain the disk drives. This manual assumes that users have a basic knowledge of hard disk drives and their application in computer systems.

  • Page 6: Operating Environment

    “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 by user misoperation or mishandling, inappropriate operating environments, defects in the power supply or cable, problems of the host system, or other causes outside the disk drive.

  • Page 7: Important Alert Items

    Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: This manual uses the key alert messages given below. The following manual also contains notes on safety precautions: A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly.
  • Page 8 Data corruption When asking for repair, save all data stored in the disk drive beforehand. Fujitsu Limited is not responsible for any loss of data during service and repair. Device damage The disk enclosure (DE) must never to be opened in the field.
  • Page 9 Important Alert Items Task Alert message Page Maintenance Damage or Device damage 1. Perform any removal after the system power is completely disconnected. The cable must not be disconnected and the screws that attach the drive must not be removed with the power ON. 2.
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  • Page 11: Manual Organization

    Manual Organization MHU2100AT 1. Device Overview 2. Device Configuration DISK DRIVE 3. Installation Conditions PRODUCT MANUAL 4. Theory of Device Operation (C141-E202) 5. Interface 6. Operations MHU2100AT 1. Maintenance and Diagnosis 2. Removal and Replacement Procedure DISK DRIVE MAINTENANCE MANUAL <This manual>...
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  • Page 13: Table Of Contents

    Contents CHAPTER 1 Maintenance and Diagnosis............. 1-1 Maintenance...................1-2 1.1.1 Rules for maintenance .................1-2 1.1.2 Maintenance requirements..............1-3 1.1.3 Maintenance levels ................1-5 1.1.4 Disk drive revision number..............1-6 1.1.5 Tools and test equipment ..............1-8 1.1.6 Self-diagnostics..................1-8 1.1.7 Test ......................1-8 Operation Confirmation...............1-10 1.2.1 Operation test..................1-10 1.2.2 Diagnostic test ...................1-11 Troubleshooting Procedure..............1-11...
  • Page 14 Contents Illustrations Figures Figure 1.1 Disk drive revision number label..........1-6 Figure 1.2 Display of disk drive revision number........1-7 Figure 1.3 Test flowchart ................1-9 Tables Table 1.1 Status register contents ............. 1-10 Table 1.2 Disposition for error register contents ........1-10 Table 1.3 System level and field troubleshooting........

  • Page 15: Chapter 1 Maintenance And Diagnosis

    CHAPTER 1 Maintenance and Diagnosis Maintenance Operation Confirmation Troubleshooting Procedure This chapter describes the maintenance, diagnosis, operation check, and troubleshooting of the disk drive. The following are explained: Rules for regular maintenance and troubleshooting Display of maintenance level (field and factory) Display of machine revision number and number change in the field Tools and test devices needed for each maintenance level Standard testing for each maintenance level...

  • Page 16: Maintenance

    Maintenance and Diagnosis Maintenance 1.1.1 Rules for maintenance The following cautions must be observed to prevent injury during troubleshooting or maintenance. Static, Damage Don’t install or remove a PCA or connect or disconnect a cable or connector plug when the drive is powered. This may give you an electric shock.

  • Page 17: Maintenance Requirements

    The PCA and the DE cannot be replaced separately in the field. Replace the whole disk drive. (4) Service system and repair Fujitsu Limited has a disk drive service system and repair facility. When making a request for repair or parts replacement, you should provide related information usually including:...
  • Page 18 Maintenance and Diagnosis Data corruption When asking for repair, save all data stored in the disk drive beforehand. Fujitsu Limited is not responsible for any loss of data during service and repair. (5) Notes on handling General notes a) Vibrations and shocks more severe than allowed will cause fatal damage to the device so be very careful.

  • Page 19: Maintenance Levels

    1.1 Maintenance b) It is recommended that you use the shock absorption cushion material and packaging that contained the device when it was delivered by Fujitsu. If the same packaging material cannot be used, use a shock absorbent box that will transmit shocks directly to the device.

  • Page 20: Disk Drive Revision Number

    First 2-digit indicates a firmware code and rest 2-digit indicates its revision. Note: For a change of revision number after delivery, Fujitsu issues a “Change Request/Notice” and the disk drive revision number after the change. When a change is made at the user site, the revision number level should be changed as described above.

  • Page 21: Figure 1.2 Display Of Disk Drive Revision Number

    1.1 Maintenance Revision number mark when delivered A2 Revision Revision number change in the field A3 Revision Figure 1.2 Display of disk drive revision number C141-F067-01EN...

  • Page 22: Tools And Test Equipment

    Maintenance and Diagnosis 1.1.5 Tools and test equipment At the field maintenance level, only ordinary hand tools are required for troubleshooting and repairing the disk drive. Special tools and test equipment is not required. Factory level tools and test equipment are beyond the scope of this manual. 1.1.6 Self-diagnostics The disk drive has the following self-diagnostics.

  • Page 23: Figure 1.3 Test Flowchart

    1.1 Maintenance Start Check the host system (Table 1.1) Operation test with the Analyze the system System normal? host computer or test related failure equipment Disk drive replacement or repair Test acceptable? Disk drive normal? Continue with the operation Diagnostic test with the host computer or test equipment Test acceptable?

  • Page 24: Operation Confirmation

    Maintenance and Diagnosis Table 1.1 Status register contents Contents BIT0=1 Shown in Table 1.2 BIT1, 2 It is not necessary to take any measure when other bits are normal, in spite of these bits. (Normal) BIT3=1 (1) Check whether vibration is transmitted because of the way the disk drive is mounted.

  • Page 25: Diagnostic Test

    1.3 Troubleshooting Procedure In normal operation, the disk drive itself or the host determines the processing (return or halt) following the detected failure state. To troubleshoot the failure reported in the test at this level, accurately reproduce the condition that caused the failure. Then, by replacing the disk drive, try to separate the fault from the other sections of the disk drive host system.

  • Page 26: Table 1.3 System Level And Field Troubleshooting

    Switch setting Confirm that the switch on the interface connector at the disk drive control PCA is set for normal operation with the host computer. Refer to Section 3.4 of the MHU2100AT Disk Drives Product Manual for switch setting. System cable Confirm that all cable connections throughout the system correctly connected.

  • Page 27: Troubleshooting At Factory

    1.3 Troubleshooting Procedure 1.3.3 Troubleshooting at factory When the trouble is recovered by replacing the drive at field (Subsection 1.3.2), troubleshoot the replaced drive to isolate the trouble to the subassembly parts. To shorten the troubleshooting time and repairing time, gather the data, such as environmental data and other information, from the user and then return the failed drive to the factory to repair.
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  • Page 29: Chapter 2 Removal And Replacement Procedure

    CHAPTER 2 Removal and Replacement Procedure Spare Parts Disk Drive Removal This chapter explains the procedure for removing and replacing the disk drive. It is assumed that the reader has a thorough knowledge of replacing the complete disk drive and replacing the power-interface cable. When carrying out these procedures, note the following items.

  • Page 30: Spare Parts

    Table 2.1 Model and parts numbers Capacity Model Name Mounting screw Order No. (user area) MHU2100AT 100 GB M3 Depth 3 CA06499-B040 Disk Drive Removal The method and procedures to demount the disk drive to check the jumper terminal, change the jumper position, or replace the device differ depend on the system cabinet structure.

  • Page 31: Acronyms And Abbreviations

    Acronyms and Abbreviations ABRT Aborted command Host adapter Alternating current Hard disk drive Automatic idle control AMNF Address mark not found AT attachment IDNF ID not found American Wire Gauge IRQ14 Interrupt request 14 Bad block detected Light emitting diode BIOS Basic input-output system Mega-byte...
  • Page 32 Acronyms and Abbreviations Uncorrectable ECC error Voice coil motor AB-2 C141-F067-01EN...
  • Page 33 Index Dampproof packaging 1-5 Notes Delivery 1-5 general 1-4 on handling 1-4 revision number marking 1-6 Diagnostic test 1-11 Disk drive replaced, troubleshooting 1-11 Offline self-diagnostics 1-8 replacement 1-5 Operation revision number 1-6 configuration 1-10 revision number label 1-6 test 1-10 Disposition for error register contents 1-10 Packaging 1-4 Exchangable parts in field 1-3...
  • Page 34 Index Troubleshooting at factory 1-13 disk drive replaced in field 1-11 procedure 1-11 system level and field 1-12 Unpacking 1-4 IN-2 C141-F067-01EN...
  • Page 35 Technical level: Too high Appropriate Too low Overall rating of this publication: Good Fair Poor FOR FUJITSU USE Overseas office: Person in charge: Note) Local representative should pass this form to the section in charge of distribution in FUJITSU. Reply...
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  • Page 37 MHU2100AT DISK DRIVE MAINTENANCE MANUAL C141-F067-01EN MHU2100AT DISK DRIVE MAINTENANCE MANUAL C141-F067-01EN...
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