[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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