Korg's new operating system, version 1.07 and associated documentation can be
downloaded from the following page on the Korg USA website :
The most significant change is to the Arpeggiator. Previously the MS2000
Arpeggiator ran very noticeably behind the beat when it was synchronized to
an external MIDI clock source; as reported by many users and acknowledged by
Korg themselves. With this new update Korg have tightened up the timing very
The previous OS version was 1.05.