
http://i.korg.com/support
the list of legacy products still offering access to documents of all kinds - manuals, FAQs, tutorials; program and combi banks; OS upgrades, and on and on - is truly impressive.
There are not that many companies who offer this level of support - even Yamaha who are impressive, are less comprehensive; while Roland recently pulled all support for their classic / vintage synthesziers after decades of excellent support.
So I tip my hat to Korg. Someone has to do that work, and they don't earn any revenue from it so there is no obligation upon them to support such legacy devices - but they do - and I'm just acknowledging publicly how excellent a service it is; and to appeal to Korg to continue to maintain it - it really is a worthwhile service to those of us with legacy Korg instruments; but it's also an intriguing library of resources to past instruments you might not own but may wish to find out more about.
Very best,
Kevin.