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

Sun Sep 7 20:47:14 EDT 2014

How about I do a quick design and see what the price will be...

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
Sent: Sunday, September 07, 2014 7:38 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

These have pins, fitting into proto boards.
I need what is on the bottom part of the ribbon cable.
http://tinyurl.com/l3by7bk 

Kandur

Sunday, September 7, 2014, 2:49:55 PM, you wrote:
> 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_hea
> der=se
> arch_go

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

> http://www.digikey.com/product-search/en?KeyWords=c4pxg-4006m&WT.z_hea
> der=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-i
>> n
>> 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&Sub
>>>> m
>>>> 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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