Re: 8088 card for CBM-II

From: Steve Gray <sjgray_at_rogers.com>
Date: Mon, 19 Apr 2010 07:47:42 -0700 (PDT)
Message-ID: <796200.43700.qm@web88206.mail.re2.yahoo.com>
Jim,

Here are links to the 8088 board schematics and functional description:
http://www.zimmers.net/anonftp/pub/cbm/schematics/computers/b/8088.gif
http://www.zimmers.net/anonftp/pub/cbm/schematics/computers/b/8088.txt

When I bough mine the seller indicated there was a resistor or diode of some sort missing from mine, when compared to a known working model...

You might also want to reference Ed Shockley's page for more info re PLA requirements..
http://www.insectria.org/b128/hard.html

Steve



----- Original Message ----
> From: Jim Brain <brain@jbrain.com>
> To: cbm-hackers@musoftware.de
> Sent: Mon, April 19, 2010 9:46:52 AM
> Subject: Re: 8088 card for CBM-II
> 
> On 4/19/2010 8:33 AM, Steve Gray wrote:
> I was told that only 40 of the 
> 8088 cards were ever made. I mention it on my web page: > href="http://www.6502.org/users/sjgray/computer/cbm2/index.html" target=_blank 
> >http://www.6502.org/users/sjgray/computer/cbm2/index.html
> I have 
> one but it is not working. I'd love to pick up another if those two members can 
> spare one....
>    

If you do get a working one (or if 
> someone does), this sounds like something that could stand a re-creation.  
> I'm happy to do it, but I'd need a schematic and possibly a working unit to 
> verify operation in my B.


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Received on 2010-04-19 15:00:13

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