[Coco] 8k/16k bankable EPROM cartrdige board

Sun Sep 7 17:52:45 EDT 2014

Oops...both of those were the same link.

Here's the one for each pack to connect into...

http://www.digikey.com/product-search/en?vendor=0&keywords=CCE40G-ND

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Chad H
Sent: Sunday, September 07, 2014 4:50 PM
To: 'CoCoList for Color Computer Enthusiasts'
Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

Haha.  I saw a part number in his parts manifest that should be exactly what
your looking for... The card edge to insert in the end if your cable..

He uses this for the cable ...
http://www.digikey.com/product-search/en?KeyWords=c4pxg-4006m&WT.z_header=se
arch_go

And this for the slots each pack go into ...

http://www.digikey.com/product-search/en?KeyWords=c4pxg-4006m&WT.z_header=se
arch_go

The other double-edged blade connector should be the final piece, or I could
make one the same way I do the other boards..it would be very small and
cheap to duplicate.

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
Sent: Sunday, September 07, 2014 4:38 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

I saw this Cadillac before, all I need is a VW. :)

Kandur

Sunday, September 7, 2014, 2:37:38 PM, you wrote:
> In lieu of obtaining a actual MPI, building one of these would be best 
> I think, IMO..
> https://sites.google.com/site/tgmaxx/tandy-color-computer/expansion-in
> terfac
> e

> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Chad H
> Sent: Sunday, September 07, 2014 4:23 PM
> To: 'CoCoList for Color Computer Enthusiasts'
> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

> I think that is just for visual keying.  I could always move it flush 
> so it's the same as the others on the edge.  Bill raises a good point
though.
> I don't have any Y-Cables to test the thing.  I've heard others have 
> made Y-Cables before with mixed results.  Not sure if something 
> specific has to be done with the board or not.

> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
> Sent: Sunday, September 07, 2014 4:02 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

> Being such a short board,  it could be used without a cartridge.
> To show how serious I am about this mod, opened my beloved Coco-3 and 
> snapped a few photos, with Kip's EPROM board in the expansion slot.
> to check how would it fit.
> http://qdv.pw/coco/?p=299

> Kandur

> Sunday, September 7, 2014, 10:50:20 AM, you wrote:
>> So far, I've been ordering them in sets of 3 from OSHPark.  That's 
>> the minimum order.  I am charged per square inch.  If the PCB doesn't 
>> need to
> be
>> lengthened, the price won't change.  I could theoretically delete the 
>> open notch at the top of the PCB and replace with the card connector.
>> This should work well if the PCB won't be in a cartridge housing.  
>> Not sure how it would effect things if it's mounted in a cartridge.

>> I usually order another set once my last one has been sold.  Turn 
>> around time is 2-3 weeks.  I can design and order a sample set and 
>> see how it
> turns
>> out.

>> -----Original Message-----
>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
>> Sent: Sunday, September 07, 2014 12:29 PM
>> To: CoCoList for Color Computer Enthusiasts
>> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

>> Sounds perfect. 
>> How would that effect the price and
>> when will you order the next run?

>> Kandur

>> Sunday, September 7, 2014, 6:45:28 AM, you wrote:
>>> Or I could do a special version of the EPROM board with the 
>>> straight-thru male header.  Its really very simple change in the 
>>> board
>> layout editor then the PCB house does it.

>>> Sent from my ASUS Infinity

>>> On Sep 6, 2014 10:28 PM, Kandur <k at qdv.pw> wrote:
>>> Something like this for $6.95 + shipping 
>>> http://www.electronicplus.com/prodSearch.asp?prod_search=PC-501&Subm
>>> i
>>> t
>>> =Search
>>> 5 pins have to be cut off from this.
>>> http://www.electronicplus.com/images/products/PC-501.jpg

>>> Kandur

>>> Saturday, September 6, 2014, 8:00:56 PM, you wrote:
>>>> Your Y cable to card edge instead of 40 pin socket header

>>>> On Sep 6, 2014 9:17 PM, Kandur <k at qdv.pw> wrote:
>>>> This one seem to be simpler,
>>>> all connections straight thorough on both side of the board.
>>>> http://qdv.pw//eng/_photos/Computers/adapter.jpg

>>>> Kandur

>>>> Saturday, September 6, 2014, 6:24:40 PM, you wrote:
>>>>> I'm sure I could...just would have to make sure of the pinouts 
>>>>> first

>>>>> On Sep 6, 2014 7:38 PM, Kandur <k at qdv.pw> wrote:
>>>>> After 3 tries and url edits, success. Very nice board.
>>>>> If you had a 40 pin male IDC header on this board for an easy 
>>>>> Y-cable connection, I would order one for sure.
>>>>> Could you make an adapter board with one end having a Coco 
>>>>> cartridge slot edge connector, the other end having a 40 pin male 
>>>>> IDC header for a Y-cable?

>>>>> Kandur

>>>>> Saturday, September 6, 2014, 4:57:33 PM, you wrote:
>>>>>> Make sure you copy the whole link with numbers.  Emails to this 
>>>>>> forum often chop the links for some reason

>>>>>> On Sep 6, 2014 6:30 PM, Kandur <k at qdv.pw> wrote:
>>>>>> "This listing
>>>>>> (Tandy-TRS-80-CoCo-Color-Computer-EPROM-Pak-Cartridge) has been
>> removed, or this item is not available.

>>>>>> Please check that you've entered the correct item number Listings 
>>>>>> that have ended 90 or more days ago will not be available for
viewing.
>> "

>>>>>> Kandur

>>>>>> Saturday, September 6, 2014, 2:09:37 PM, you wrote:
>>>>>>> I have another batch of these in if anyone is interested.

>>>>>>> http://www.ebay.com/itm/Tandy-TRS-80-CoCo-Color-Computer-EPROM-P
>>>>>>> ak
>>>>>>> -Cartridge
>>>>>>> -/321514156488?

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