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Hitachi hard drive repair and recovery is a little bit different due to its firmware structure: The firmware codes stored in the Service area of  the drive; The firmware codes stored in the ROM chip and configuration data in the NV-RAM. There’re still  many Hitachi/IBM hard drives in the market and if you are going to enter data recovery field, you will undoubtedly meet a lot of Hitachi data recovery cases.

The following is to introduce you one advanced Hitachi data recovery book by Ann Leflore and from the following contents, you can understand what’s included in this book:

Appendix 1: Introduction to the Hitachi/IBM HDD: 1
Appendix 1.1: SA Module Recording Native Hitachi: 2
Appendix 1.2: Terminal Mode: 3
Appendix 1.3: Hitachi/IBM Architecture Review HGST: 3
Appendix 1.4: Compatibility of PCB: 4
Appendix 1.5: Diagnostics Procedures: 4
Appendix 1.5.1: Determining Electronic Failure: 5
Appendix 1.5.2: Mechanical Failure: 5
Appendix 1.5.3: DeskStar HDD: 6
Appendix 1.5.4: PCB Failure: 6
Appendix 1.5.5: HDD Clicking or Knocking: 6
Appendix 1.5.6: Platter Damage or Heads Sticktion: 7
Appendix 2: Service Area Modules: 9
Appendix 2.1: Module listing (Closed) in Hitachi/IBM 3.5” HDD: 10
Appendix 2.2: Module listing (Open) in Hitachi/IBM 3.5” HDD 10
Appendix 2.3: Module listing (Closed) in Hitachi/IBM 2.5” HDD: 11
Appendix 2.4: Hitachi/IBM Modules listing and UBA ID: 12
Appendix 2.5: Identification of Modules in SA: 13
Appendix 3: NVRAM 15
Appendix 3.1: NVRAM Configuration: 16
Appendix 3.2: Identifying Compatible NVRAM Donor File: 16
Appendix 3.3: Dynamic Repair: 17
Appends 3.4: NVRAM Structure: 18
Appendix 4: SA-C: 19
Appendix 4.1: HDD Working in SA-C: 20
Appendix 4.2: Set Hitachi HDD to Factory Safe Mode: 21
Appendix 4.2.1: Jumper Setting for Hitachi HDD Safe Mode: 22
Appendix 4.3: Set Hitachi HDD from Factory Safe Mode to Normal Mode: 23
Appendix 5: Identify HDD Model Number: 25
Appendix 6: Password Removal 27
Appendix 6.1: Unlocking the PW on Hitachi 2.5” HDD Model 7220: 28
Appendix 6.2: Unlocking the PW on Hitachi 2.5” HDD Model 5416 PATA/SATA: 29
Appendix 6.3: Unlocking PW on Hitachi 5410 2.5 HDD: 30
Appendix 6.4: Unlocking PW on Hitachi 5425 2.5 HDD: 31
Appendix 7: Hitachi/IBM Status 5a: 32
Appendix 8: Hitachi/IBM Depop Heads Operations: 35
Appendix 8.1: Depop All Heads: 37
Appendix 9: Determining Bad Sectors in the Service Area: 39
Appendix 10: FDE/BDE Technology: 43
Appendix 11: PCB Configuration 45
Appendix 11.1: 40GB, DTLA HDD PCB 45
Appendix 11.2: AVER HDD PCB: 46
Appendix 11.3: AVVR HDD PCB: 46
Appendix 11.4: AVVN HDD PCB: 47
Appendix 11.5: AVV2 HDD PCB: 47
Appendix 11.6: VLAT HDD PCB: 48
Appendix 11.7: PLAT HDD PCB: 48
Appendix 11.7.1: PLAT HDD PCB Unlock: 49
Appendix 11.8: ATDA HDD PCB: 49
Appendix 11.9: ATCS HDD PCB: 50
Appendix 11.9.1: ATCS HDD PCB Unlock: 50
Appendix 11.10: ATMR HDD PCB: 51
Appendix 11.11: 5480 HDD PCB: 51
Appendix 11.11.1: 5480 HDD PCB Unlock: 52
Appendix 11.12: 7260 HDD PCB: 52
Index: 53

Besides above knowledge and data recovery tips offered in the book, Ann shared also her data recovery experience using the Hitachi doctor and teach us how to use each part of the hdd repair tool so that we can achieve the best in Hitachi/IBM hdd repair and data recovery cases.