18 Jan
2022
18 Jan
'22
11:12 a.m.
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 at 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