Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
November 7th, 2015, 8:07
Hey guys!
I have a disk with burn motor controller IC (hole in the chip). I can find absolutely nothing about that chip so my best bet is to get the new board for the drive. Should I swap only the motor controller IC or complete board?
If I go with the second option and since there's obvisouly no memory/bios chip on the board, my question is this: which chip I need to swap to get the board from another disk? I'm guessing the main controller chip (the low-pitch) ?
I'm attaching picture of the board.
Thanks for all your help.
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November 7th, 2015, 13:43
can you post model and date
November 7th, 2015, 18:15
Can you identify the firmware version? Has the drive ever received a firmware update?
November 8th, 2015, 14:46
Hey guys. Where can i find firmware version? On the backside there is m17-160-mj and s.0711b 36-14. I dont know which is firmware version. Disk model is hd501lj. Do you think that just replacing the motordriver will not work? I ordered used disk with the same model number, hopefully i can work something out with it. Thanks for all the replies.
November 8th, 2015, 14:46
Oh, forgot the date. It's 2007.12.
November 8th, 2015, 15:17
Here is an example:
http://i.ebayimg.com/images/g/RsQAAOSwP ... -l1600.jpgF/W : CR100-10In your case ...
PCB ---
BF41-00133A Trident 11-RE Rev. 06ICs and YWW/YYWW date codes ...
88i6725S-TFJ1 0747
SDRAM 743
transistor Y749
ISTM that the manufacture date would be
early December 2007.
If you choose to swap the motor controller, I would first test the components around it for shorts. Also test the motor windings.
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November 15th, 2015, 6:00
Hey. I got a donor drive, removed the pcb and installed it on my disk and everything worked perfectly. I'm surprised that I could actually replace this so easy, was expecting more troubles

Thanks for all the help.
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