[Coco] CoCoEPROMPak

Chad H chadbh74 at hotmail.com
Fri Nov 29 01:11:41 EST 2013


Yea...I"m slowly getting the hang of Eagle.  I love how it translates your
schematic work directly into a PCB layout for you (more or less).  The
process is reminisce of Robot Odyssey I :)   LOL    Do you recommend any
good parts libraries beyond those included in the install package?

-----Original Message-----
From: coco-bounces at maltedmedia.com [mailto:coco-bounces at maltedmedia.com] On
Behalf Of Mark J. Blair
Sent: Thursday, November 28, 2013 6:44 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] CoCoEPROMPak


On Nov 28, 2013, at 11:52 , Chad H <chadbh74 at hotmail.com> wrote:
> I have already made a mod to your schematic and board files to allow 
> for a extra '3-way' header (actually 2x3).  I decided on this approach 
> for safety as it seems to me that accidentally connecting 5V or Ground 
> back to the Host
> A13 line might not be so good
> 
> Essentially it will provide this...
> 
> 1  4     Pins 4,5,6 match with your JP2/JP3 wiring (if I want to select 8K
> banks)
> 2  5     Pin 2 runs back to the Host A13 line, so jumpering 2-5 instead of
> above results in 'original' A13 flow.
> 3  6     Pins 1 & 3 not in use.

Cool!


--
Mark J. Blair, NF6X <nf6x at nf6x.net>
http://www.nf6x.net/


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