Looking for IMSAI 8080 CP-A Schematic

Allison ajp166 at bellatlantic.net
Sat Jan 5 16:53:16 CST 2008

>Subject: Re: Looking for IMSAI 8080 CP-A Schematic
>   From: "Marden P. Marshall" <mardy at voysys.com>
>   Date: Sat, 05 Jan 2008 17:02:40 -0500
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>On Jan 5, 2008, at 12:39 PM, Roy J. Tellason wrote:
>> On Saturday 05 January 2008 03:50, David Griffith wrote:
>>> On Fri, 4 Jan 2008, Marden P. Marshall wrote:
>>>> Does anyone know where I can find the schematic for the IMSAI CP-A
>>>> (operators panel)?  Every source I have looked at just has the
>>>> assembly and operations manual for the CP-A, but not the actual
>>>> schematic.  I'm trying to bring back an old one from the grave, and
>>>> having an actual schematic would help a lot!
>>> I have an original documentation binder that I'll check out and  
>>> photocopy
>>> if it has the schematics.
>> I do too,  someplace.  It's hiding though.  I don't recall if it  
>> includes that
>> information or not.  If you end up making that info available in  
>> electronic
>> form,  I'd be interested in having a copy as well.
>> And while we're on the subject of Imsai,  does anybody have part  
>> numbers handy
>> for those switches?  I have several that are broken to replace.
>They are made by C & K.  The 2-position ones are P/N 7101 and the  
>momentary are P/N 7105.  You can order them from www.IMSAI.net for  
>between $11.00 and 12.00 a piece.

That's anywhere from $3-5 more than Digikey and they are an expensive
source!  I usually get them for under $7 in unit lots.

NOTE: the suffix for those switches is important as they come in 
differnt mountings and with differing solder posts.


>> -- 
>> Member of the toughest, meanest, deadliest, most unrelenting -- and
>> ablest -- form of life in this section of space,  a critter that can
>> be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet  
>> Masters"
>> -
>> Information is more dangerous than cannon to a society ruled by  
>> lies. --James
>> M Dakin

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