hard driver pcb board for samsung /Logic Board /Board Number:BF41-00300A M7U2_339_REV.01 ROO, BF41-00291A   STAT,MERCURY REV.05 R00 / Used for BF41-00300A （ IC:88i8922E-TFJ2）The Hard Disk Drive is not include.

Number of board space location

Please Note:

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. Please contact us
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:88I9422-JFJ2 OR 88I9025-TFJ2           

(Please choose the same main control chip)

HDD Motor Combo IC:TLS2602

Board Number: BF41-00300A M7U2_339_REV.01 ROO /  BF41-00291A   STAT,MERCURY REV.05 R00 

Remarks: 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

Attention: 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.