WD Hard Disk Firmware Advance

Course Details

6.1- WD HDD Basics, Booting, Model
1. identify hard disk model no, families, pcb no, parts, DCM no
2. Chart of Wd hard disk families with micro code, and models
3. Hard disk board types, Pcb no, chip detail, MCU buffer, ROM, VCM
4. USB hard disk to sata conversion detail, jumper
5. Booting process, Bios ROM, RAM, SA, MBR, MFT, boot sector, NTFS
6. Common problem due to firmware corruption
7. Basic idea of tools used for repair WD hard disk firmware
8. Wd marvel and MRT tools basic used, read ROM and module

6.2- WD HDD ROM And SA Module Detail
1. Basic idea of WD hard disk ROM firmware files, different extension
2. Types of module, unique main micro modules, defect list
3. ROM Modules files (ROM FILES 0A, 0B/20B, 30, 47, 0D, 4F)
4. Head map 0A, detail, view, no of head, no of head depot, no in used
5. Rom directory 0B/20B, SA location reading from platter
6. Micro code version of ROM from module 5F
7. Micro jog parameters location
8. View hexa code of all rom modules
9. Backup ROM in SA detail
10. Load ROM in RAM
11. Read and write ROM modules

6.3 WD Service Area Modules Detail
1.SA Module Structure and Analysis Types of module
– main
– data
– management
– defect list
– backup modules
2. Dir Module 01 Configuration Module 02 Zone Map 03, 04 analysis.
3. Overlays module 11 , 5c, 13, 10
4. ATA Modules.
5. Load Overly to RAM
6. Choose correct overlay with compare ROM files.
7. Defect list modules plist, glist, tlist
8. Defect module P-list 33. P-list Translator 31.
9. G-list 34. G-list translator 32. SA Defect list 35.
10. SA Translator (in Rom) 30. Track Defect List (T-list) 36.
11. Adaptive module analysis.
12. Modules 40, 41. Module 49,4a.
13. SF Logs modules Exx in details.
14. Arco Log modules 20XX in details.
15. Key modules for data recovery
16. Common fault due to ROM & SA modules
17. Key module for data backup old I series and new royal series
18. Read, write, repair, editing modules of wd hard disks
19. Micro code firmware versions

6.4- WD Firm. Repair Tools MRT, WD Marvel
1. WD marvel
– used
– connection
– module read
– write
– rom etc…
2. MRTLAB WD
– modules
– rom
– backup
– repair option etc
3. MRT extractor
– data extractor
– copy data
– clone hard disk

6.5 WD CASE Study Reparing Concept
1. undetected hard disk repair
2. WD slow responding hard disk repair
3. continuous busy error solution
4. SED error solve
5. recover head damage hard disk
6. repair bad sector
7. head depop cut head
8. fix clicking wd hdd (firmware)
9. to see whether its head of firmware problems
10. head map editing
11. small scratched area remove concept
12. translate, self scan and servo calibration
13. low level formate
14. fix adaptivw problems
15. regenerate p-list
16. wd self calibration
17. wd hot swapping concept
18. 0 capacity show 02 module defective
19. mr jog parameter copy area
20. whole wd hard disk shown bad sector
21. wd hard disk password removing
22. factory firmware flashing steps

6.6- WD HDD Repair Concept
1. SF self test scan
2. start stop SF scan, SF logs
3. arco code
– (D1, D5, D4, D2, D3, C4, C5, C8, B2, B1, DC, BA)
4. victoria used and scan hard disk
5. SELF TEST