Roland MT-32 DIY memory backup upgrade

[Jeroen Proveniers]

>----Original Message-----
>From: Greg Montalbano [mailto:Greg.Montalbano at ucop.edu]
>Sent: Tuesday, August 08, 2000 5:51 PM
>To: synth-diy at node12b53.a2000.nl
>Subject: Roland MT-32 DIY memory backup upgrade
>
>
>The one I have on my MT32 is from Blue Ridge Music -- it involves
installing a battery, >cutting & rewiring some cirucit board traces, and
replacing the ROMS (since part of the >original ROM initialization routine
is CLEARING & RESETTING THE MEMORY -- something I found >out the hard way
when I tried to design & implement my own battery backup scheme). 

I tried to make it myself too, but the memory is indeed cleared on powerup
(which is logical). I'm not really in the mood to solder out the ROMs and to
hack it,although I could do it.

JJ
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20000809/cdc542a5/attachment.htm>