For iPod classic, convert the SATA protocol hard drive with M.2 interface to ce/zif interface. The official manual of the drawing jm20330 and my own surveying from the modules sold online.
After putting in the ipc, the left and right positions are suitable. It's more centered than buying directly online. Smaller size
The size comparison of the board after centering is as follows:
Comparison of the boards after they are laid out, as follows:
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