Guys, If you can burn your own EPROMs you can upgrade to the latest OS by using these files: http://www.strellis.com/Download/dpx1/dpx1v22.zip I copied them from my own DPX-1 ROM set. You need to use 27512 64k EPROMS for both the Lower and Upper binaries. Cheers Chris
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Get your Oberheim DPX-1 Latest OS ROMs V2.2
2007-11-05 by Chris Strellis