The circuit board for Hitachi hard drives includes several model numbers such as 220 0A90381 01 Und 110 0A90381 01, along with parts like 0J21896, 0J21827, and 0J21855. Some compatible hard drive models for these circuit boards are HDS721050DLE630 and HDS721050CLA662. These circuit boards play a crucial role in the functionality of Hitachi hard drives, connecting various components and allowing for data storage and retrieval. It is important to match the correct circuit board with the corresponding hard drive model for optimal performance.
HDD PCB/Logic Board.Board Number: 220 0A90381 01, The Hard Disk Drive is not include.
Number of board space location
Bitte beachten Sie:
1.These boards are used, the circuit board components not falling, the interface did not break.
2. All PCB have been tested before shipping. If the PCB is faulty during shipping, please inform us immediately after your received it.
3. If you are not sure the PCB is compatible with your HDD or not. Bitte kontaktieren Sie uns
Replacement the PCB only can solve the problem that is caused by the PCB faulty and HDD failures are not always caused by the PCB faulty. This PCB is not guaranteed to fix your HDD.
Main Controller IC: LSI-6045 (Main control IC needs to be consistent with the bad boards)
HDD Motor Combo IC:SMOOTH L7228(Both IC is compatible with each other)
Board Number:220 0A90381 01(Please make sure your original PCB board number is same as our PCB)
Anmerkungen: If your HDD firmware, date code and site code is different. You can swap the BIOS chip from original PCB to the replacement PCB, to make the replacement PCB compatible with your HDD.
the BIOS chip position
Aufmerksamkeit: Replacement the PCB only can solve the problem that is caused by the PCB faulty. If your HDD having the following problem.
Symptoms of failure:
The drive will power up normally (no ticking noises, errors etc) but will not be recognized by the computer
The drive will power up normally and be recognized correctly but will report a size of 0 bytes
The drive will power up but report SMART errors on boot Replacement the PCB may not solve the above problem. These problem is caused by the HDD firmware corrupted.
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