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

Chad H chadbh74 at hotmail.com
Sun Sep 28 09:57:21 EDT 2014 

Awesome!  Have you tested it yet? Visually, the fit looks great.  A bit hard to see in the pics are the silk screen covered traces that direct-connect the opposing pads.  If this design is good, I can just modify it for 34/50 pin versions of the pitch is the same.

Sent from my ASUS Infinity

On Sep 27, 2014 10:21 PM, Kandur <k at qdv.pw> wrote:
The 40-pin Card Edge Connector arrived from OSK Park.
Thanks for the design Chad, excellent quality.
The Y-cable is getting ready.
http://qdv.pw/coco/?p=310

Kandur

Sunday, September 7, 2014, 9:20:24 PM, you wrote:
> You will get status updates.  Once the boards or made OSHpark will receive
> them back and mail them USPS to you with tracking.

> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
> Sent: Sunday, September 07, 2014 10:57 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

> Excellent! :)
> "Payment for your order for 3 40-pin Card Edge copy boards has been received
> from paypal"

> Kandur

> Sunday, September 7, 2014, 7:16:14 PM, you wrote:
>> Taking Bill's advice here and trying out the TinyURL...

>> http://tinyurl.com/n4z3dcy

>> How's that for the the connectors Kandur?  Set of 3 for $9.00, free
>> shipping.  They take PayPal.

>> -----Original Message-----
>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Chad H
>> Sent: Sunday, September 07, 2014 8:17 PM
>> To: 'CoCoList for Color Computer Enthusiasts'
>> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

>> Well lets work on the 40 pin since its what we need. I can make
>> modifications for 34 & 50 pin variants so no cutting will be
>> required..if the 40 pin version is good starting point.

>> -----Original Message-----
>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Kandur
>> Sent: Sunday, September 07, 2014 7:55 PM
>> To: CoCoList for Color Computer Enthusiasts
>> Subject: Re: [Coco] 8k/16k bankable EPROM cartrdige board

>> Sure, make a 40 and 50 pin wide quick design, to see the price.

>> Kandur

>> Sunday, September 7, 2014, 5:47:14 PM, you wrote:
>>> 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_h
>>>> e
>>>> a
>>>> 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_h
>>>> e
>>>> a
>>>> 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&S
>>>>>>> u
>>>>>>> b
>>>>>>> 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-EPRO
>>>>>>>>>>> M
>>>>>>>>>>> -
>>>>>>>>>>> P
>>>>>>>>>>> ak
>>>>>>>>>>> -Cartridge
>>>>>>>>>>> -/321514156488?



>>>>>>>>>> --
>>>>>>>>>> Coco mailing list
>>>>>>>>>> Coco at maltedmedia.com
>>>>>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>>>>>>> --
>>>>>>>>> Coco mailing list
>>>>>>>>> Coco at maltedmedia.com
>>>>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>>>>>> --
>>>>>>>> Coco mailing list
>>>>>>>> Coco at maltedmedia.com
>>>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>>>>> --
>>>>>>> Coco mailing list
>>>>>>> Coco at maltedmedia.com
>>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>>>> --
>>>>>> Coco mailing list
>>>>>> Coco at maltedmedia.com
>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>>> --
>>>>> Coco mailing list
>>>>> Coco at maltedmedia.com
>>>>> https://pairlist5.pair.net/mailman/listinfo/coco


>>>>> --
>>>>> Coco mailing list
>>>>> Coco at maltedmedia.com
>>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>>> --
>>>> Coco mailing list
>>>> Coco at maltedmedia.com
>>>> https://pairlist5.pair.net/mailman/listinfo/coco

>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> https://pairlist5.pair.net/mailman/listinfo/coco

>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco


>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco

> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco

--
Coco mailing list
Coco at maltedmedia.com
https://pairlist5.pair.net/mailman/listinfo/coco

More information about the Coco mailing list