[Coco] Pinout for CoCo3 RAM expansion connector

Zippster zippster278 at gmail.com
Sat Dec 13 17:10:43 EST 2014


Yes, probably.  Thanks Camillus.

There must be a technical reference out there on the 
GIME’s MMU functionality from the hardware side of things.

Anyone seen one?

- Ed


> On Dec 13, 2014, at 12:33 PM, Camillus Blockx <camillus.b.58 at gmail.com> wrote:
> 
> Would this help?
> 
> 
> Camillus
> On 12/13/2014 7:26:29 AM, Zippster <zippster278 at gmail.com> wrote:
> Hi Kip,
> 
> Yes, I would like to collaborate. :)
> 
> What are the designs you have so far?
> 
> I’d like to make what would presumably be the simplest type of upgrade first,
> a single 512k static ram chip. I’ve just started to read up on how the GIME chip
> MMU functionality handles memory. So far I can see it’s all broken up into 8k blocks
> that are presented to the CPU based on registers in the GIME.
> 
> Do you have the details on how the address/data lines should interface to the GIME?
> 
> - Ed
> 
> 
> 
>> On Dec 13, 2014, at 12:13 AM, Kip Koon wrote:
>> 
>> Ed,
>> Would you like to collaborate on a memory upgrade for the Coco 3. I have three different designs that I have been toying around with for some time now and ideas for future ones. Let's get together.
>> 
>> Kip Koon
>> computerdoc at sc.rr.com
>> http://www.cocopedia.com/wiki/index.php/Kip_Koon
>> 
>> 
>> 
>> -----Original Message-----
>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Zippster
>> Sent: Friday, December 12, 2014 11:22 PM
>> To: CoCoList for Color Computer Enthusiasts
>> Subject: [Coco] Pinout for CoCo3 RAM expansion connector
>> 
>> Hi Guys,
>> 
>> Does anyone have, or know where to find the pinout for the RAM expansion connectors on the CoCo 3?
>> 
>> - Ed
>> 
>> 
>> 
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