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December 01, 2006

OBX EPROM hack

I've devised an EPROM hack for OBXes with failing 2708 EPROMs. It replaces three 2708s with a single 2732. It requires two trace cuts and three jumpers. EPROM image and instructions available at the link below:

http://www.retrosynth.com/docs/obx/rom_hack/

Posted by cary at December 1, 2006 01:00 AM