|link| — Korg M1 Serial Number

Older units with lower serial numbers may require specific EPROM chips if you are looking to upgrade to later OS versions, such as those found in the . Why the Serial Number Matters

The welcome screen will display a version number (e.g., #19 indicates firmware version 1.19). Korg M1 Serial Number

While the serial number itself does not explicitly contain a date code (unlike some other Korg products where the first digits represent the year and month), you can estimate the date based on known milestones: Manufactured between 1988 and late 1990 . 100,001 – 250,000: Manufactured between 1991 and 1995 . Firmware Versions and the Serial Link Older units with lower serial numbers may require

The serial number is often relevant when performing maintenance or upgrading firmware. To check your M1's internal software version: Turn the power . Press and hold the [INT] button. Turn the power ON . 100,001 – 250,000: Manufactured between 1991 and 1995

Serial number 100,000 reportedly rolled off the production line.