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Recommend data recovery company?
Paul wrote:
VanguardLH wrote: https://www.hddzone.com/fix_hard_drive_pcb_board.html https://www.youtube.com/watch?v=Yn2eL4o-6Eo Timemark 5:40 - Swap doesn't work. Timemark 7:12 - Gotta swap the ROM chip. You'll end up having to move the ROM chip, if still usabled, from the failed drive's PCB to the identical replacement PCB. ... According to this, the main chip has firmware. Yes, some microcontrollers chips have a ROM section. The Youtube guy mentioned that. Instead of transplanting a ROM chip, you have to transplant the microcontroller chip assuming the PCBs are clones so the surrounding logic is the same. Knowing all the architectures used in different brands, models, and submodels, especially since some same-brand drives come from different factories can make you go crazy. Some have separate ROM chips. Some have ROM inside the microcontroller chip. The point was that the drive data on one PCB may not be usable or be incorrect for another drive. |
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