Category: CMB 3040
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Commodore CMD 2040/3040 Drive Spin-up on Power Down
Background I recently finished restoring two non-working Commodore CMB 3040 Machines. After a while, I finally got them both in working state and able to read disks, but one of the drives still had one small oddity. When I turned the main power switch off, the disk drive would slightly spin up for a couple…