[Coco] MM/1 info wanted
Joel Ewy
jcewy at swbell.net
Thu Sep 4 16:13:35 EDT 2008
Let me try to round up all this info. The schematics will have to be
scanned. I think long ago I promised somebody (was it Willard Goosey)
that I would scan the docs for a Motorola 6809 EXORciser CPU board.
Have neither forgotten nor gotten around to it yet. Maybe this weekend
I'll find time to do a scanning marathon.
Also a correction: the info I have is for Ver. 3 of the I/O boards, and
for the 8M memory/backplane boards. Looking through my notes, I also
have the BOMs for the above mentioned boards, and some correspondence
between myself and Ray Patterson about getting the SCSI interface on the
V3 I/O boards to work.
JCE
Dean Leiber wrote:
>
> On Sep 4, 2008, at 10:59 AM, Joel Ewy wrote:
>
>> I have schematics for version 2 memory and I/O boards, but not for the
>> older I/O board or for the CPU board. I think I made ROM images, but if
>> I didn't I do have the ROMs and an EPROM programmer.
>>
>> JCE
>
> I would love to get a copy of what you have to put it into the
> CoCo/OS-9 Documentation archive. Also, for anyone interested, the MM/1
> Technical Manual, etc. should be up on maltedmedia. Unfortunately it
> has no schematics, just a chip placement drawing in the TM.
>
> Dean
>
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