Korg M1 Serial Number ^new^ -

| Serial Number Range | Estimated Production Period | | :--- | :--- | | 000001 - 100,000 | 1988 - November 1990 | | 100,001 - 250,000 | November 1990 - 1995 |

Press and hold the button and the CARD button simultaneously. Turn the power switch ON . Korg M1 Serial Number

: If you still have the original box or warranty card, the serial number was originally printed there for registration purposes. Decoding the Serial Number | Serial Number Range | Estimated Production Period