the 8085/32K thing could be a memory issue (mine...). I have three different cpu cards and will take a "better" look at them tonight. I probably got my processors crossed... -----Original Message----- From: Dave Mabry <dmabry(a)mich.com> Steve, I never heard of an 8085-based cpu card for the Series II with only 32K of ram. Are you sure about that version? I'd bet that was not an option. I have several of both 8080- and 8085-based cpu cards.