Didn’t you replace the bios controller in the past? We need this controller.
We just sell PCB.
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.
HDDZone.com provides all kinds of hard drive PCB boards. Free shipping worldwide!
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Useful Guide: Hard Drive PCB Replacement
Contact US: Please feel free to contact us by email sales@hddzone.com.
Note: Send clear photos of your PCB (both sides) by attachments will make everything easier!