Re: [AH] Anyone have Oberheim Matrix-12 ROM files?

From codemechanic
Sent Wed, Nov 7th 2018, 01:03

I would add that Xpansions issue 8 from 1991 confirms the latest
software versions found on sequencer.de:

Xpander
Main Processor: 1.2
Voice: 1.4
Cassette: 1.0

Matrix 12
Main Processor: 1.1
Voice: 1.6
Cassette: 1.0

-Ben
On Wed, Nov 7, 2018 at 8:35 AM codemechanic <xxxxxxxxxxxx@xxxxx.xxx> wrote:
>
> Hi Brian,
>
> I own an Xpander which I believe has v1.2 Main board ROMs and v1.4
> Voice board ROMs, but unfortunately I can't confirm that as I'm out of
> the country at the moment.
>
> In searching around it seems like there's more information out there
> on the Xpander than there is on the Matrix 12. I couldn't track down
> Matrix 12 main board ROMs anywhere. The only way I can come close to
> confirming the latest revision numbers for the Matrix 12 ROMs was via
> a page on sequencer.de:
> https://www.sequencer.de/blog/oberheim-xpander-oberheim-matrix-12/2547
>
> "Softwareversionen/most recent software version:
> Processor: 1.2 (Matrix12: 1.1)
> Voice version: 1.4 (Matrix12: 1.6)"
>
> From the information found there it sounds like the latest revs are
> 1.2/1.4 for the Xpander, and 1.1/1.6 for the Matrix 12. Further
> information on the Xpander revisions comes via the software update
> operational instructions released 4/5/85
> (http://www.synthzone.com/midi/oberheim/obxp/xpandros.zip):
>
> "If the main processor version reads 1.2, the Xpander already contains
> the most recent main processor version. The voice processor version
> will be displayed as 1.0, 1.1, 1.2, or 1.4. Again, if the version
> displayed is below 1.4, the software should be updated."
>
> I was also able to find documentation regarding the Midi
> specification, software updates etc. for the Xpander that I can send
> your way if you're interested. There sure is some interesting
> information found in the Xpansions newsletter archives:
> http://www.synthzone.com/midi/oberheim/obxp/xpansion.zip
>
> -Ben
> On Wed, Nov 7, 2018 at 4:13 AM Brian Willoughby <xxxxxx@xxxxxxxxxxxx.xxx>=
 wrote:
> >
> > Here are some more details:
> >
> > The Matrix-12 Processor Board has five 8KB ROMs
> > The Xpander Processor Board has four 8KB ROMs
> > Voice Boards have two 8KB ROMs, and appear to be universal for Xpander =
& Matrix-12 (not confirmed).
> >
> > I have an incomplete set of Matrix-12 Processor Board v1.2 ROMs, (0, 1,=
 4), and I need the two missing ROMs (2, 3).
> > I am still looking for a complete set of M12 PB v1.1 ROMs, but I might =
just buy a ROM reader and pull the chips from my Matrix-12.
> >
> > My Matrix-12 has v1.6 on the Voice Boards.
> >
> >
> > Meanwhile, I recall a resource that listed the latest ROM versions for =
both Xpander and Matrix-12, for both Main and Voice firmware. Can anyone po=
int me to that? I have a friend who is interested in upgrading his Xpander =
to the latest, if we can find out what the latest is. I=E2=80=99ll probably=
 update my Matrix-12, too, since Main PB v1.1 seems to be old.
> >
> > I have a complete set of Xpander Processor Board v1.2 ROMs
> > I have a complete set of Voice Board v1.4 ROMs
> > I have a complete set of Voice Board v1.6 ROMs
> >
> > Brian Willoughby
> >
> >
> > On Nov 4, 2018, at 5:56 PM, Brian Willoughby <xxxxxx@xxxxxxxxxxxx.xxx> =
wrote:
> > > I have several copies of the Xpander ROM files, and at least one of t=
hem is valid.
> > >
> > > I=E2=80=99m looking for Matrix-12 ROM files. At the very least, I wou=
ld like the Processor Board ROM data. It would be nice to have the Voice Bo=
ard ROM data as well.
> > >
> > > I=E2=80=99m working on a patch librarian for macOS, and need the ROM =
data to scan for undocumented MIDI System Exclusive details.
> >
> > Brian Willoughby
> > Sound Consulting
> >
>
>
> --
> benjamin allen
> xxxxxxxxxxxx@xxxxx.xxx
> 415.624.9111
> http://www.codemechanic.com



--=20
benjamin allen
xxxxxxxxxxxx@xxxxx.xxx
415.624.9111
http://www.codemechanic.com