On Tuesday (01/18/2022 at 02:09PM -0500), Bill Degnan wrote: > Not exactly a match but I do have this, if it helps: > https://www.vintagecomputer.net/motorola/mek6800d2/MEK6800D2.pdf
Thanks Bill. I have that too and in fact a couple D2 boards so I am set there. This is a specific detail so that I can make mods to the board without having to reverse engineer it first. But I suspect it will come to that. Thanks anyway! Chris > On Tue, Jan 18, 2022 at 1:54 PM Chris Elmquist via cctalk < > cctalk@classiccmp.org> wrote: > > > > > I have quite a few Motorola Microsystems Exorciser boards including this > > 6800 single board computer for which I am lacking any documentation. > > > > I've seen a brochure in Al's collection on Bitsavers but haven't found > > any details that might discuss jumper settings or even better, > > a schematic. > > > > Wondering if anyone would have a user manual or other detailed docs for > > this board? > > > > M68MM01A2 -- has 6800 CPU, 6875 1.0 MHz clock generator, 6850 ACIA and > > MC14411 baud rate clock, (4) EPROM/ROM sockets and (2) 6821 PIA sockets > > with the 86-pin Exorciser edge connector. > > > > I'm interested in seeing if I can minimally modify it to have a similar > > memory map to the Altair 680 so that the Altair's PROM monitor could > > run on it. > > > > Thanks! > > > > Chris > > -- > > Chris Elmquist > > > > -- Chris Elmquist
