--- In oberheim@yahoogroups.com , "synthparts" <synthparts@...> wrote:

>
> I have some I could send you. Do you have a Rev E or Rev G CPU board Doug, synthparts.com

Where exactly is the revision info located I had a quick look but couldn't find it. I can say that the machine looks like it originally was designed for 32 patches, but has been subsequently upgraded to 120, with the CPU and additional RAM mounted on a separate upside-down board which plugs into the CPU socket on the upper control board.

/Ricard

> --- In oberheim@yahoogroups.com , "Ricard" <ricard2010@> wrote:
> >
> > Hi,
> >
> > I'm in the process of repairing an OB-Xa, and one of the potential issues could be a faulty OS EPROM causing the synth to malfunction from time to time. I'm wondering if any nice soul here would happen to have EPROM images from some reasonably late (i.e. 120 program) version of the OB-Xa
> >
> > A google search turned up a page with some rather old images, but that was all.
> >
> > /Ricard
> >
>