[sdiy] Another new hard to find part....

[elmacaco]

Robin Whittle Hacked his DX7 in some way, I think it was new software or
something.  Back then the details were a bit lost on me, and I was
distracted by the devilfish ;)
----- Original Message ----- 
From: "Ingo Debus" <debus at cityweb.de>
To: "synth-diy" <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, July 06, 2004 10:27 AM
Subject: Re: [sdiy] Another new hard to find part....


>
> Am Dienstag, 06.07.04 um 02:34 Uhr schrieb harrybissell:
>
> > (imho .... hacking a DX-7 is not a lot of fun. If you can't break into
> > the box
> > there is not much you
> > can do with it...)
> >
>
> I built a memory extention into my DX7. This is quite easy because it
> has a RAM chip solely dedicated to patch storing. You probably won't
> find this on newer synths :-)
> This IC is even in a socket.
>
> I also replaced the ROM in one cartridge with a self-programmed
> (bigger) EPROM and squeezed some switches (for bank select) into that
> cartridge. But this did involve "breaking into the box", since the
> cartridge was glued together ;-)
>
> Ingo
>


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