[sdiy] Korg Mono/Poly

[Magnus Danielson]

From: The Old Crow <oldcrow at oldcrows.net>
Subject: RE: [sdiy] Korg Mono/Poly
Date: Fri, 17 May 2002 20:34:05 -0400 (EDT)

> 
>   The key assigner is an Intel 8049 microcontroller running a program 
> fixed in mask-ROM.  Korg has long since (in the USA and Japan) run out of 
> spares, but one can still be created: Use an Intel 8749 (EPROM version of
> the 8049) and program it with the binary file that represents the original 
> mask ROM.  I've done this to replace a couple dead MCUs.

Only flaw with this scheme (which is sound otherwise) is the
availability of the binary file. This is a generic problem and does
not only apply to the Mono/Poly or even Korg equipment.

Time to archive these ROM images? Put some effort in advocating for
their release?

Cheers.
Magnus