sir where was the BIOS/Main Controller IC of this toshiba model # Toshiba PCB G0064A
Please refer the attached photo.
You can move the BIOS from your original PCB by using hot-air gun, then soldered it on the replacement board. Please refer: https://www.hddzone.com/hard_drive_pcb_firmware_transfer.html. Or you can find an electronics repair shop help you.
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Note: Send clear photos of your PCB (both sides) by attachments will make everything easier!