We faced a similar problem trying to locate someone that could manufacture otherwise non-existent parts: a 28-pin card edge Super Nintendo expansion port connector.
The only company we could find that would even consider it wanted $5000-8000 for the initial setup fee, and an MOQ in the thousands. It would have set us back around $15000, but our potential market is maybe 50-100 sales.
In our case, we ended up finding a wider card-edge connector from Samtec for an entirely different application, and we dremeled the connector in half, and then filled the side in with epoxy to create this: http://www.qwertymodo.com/hardware-projects/snes/snes-expans...
The down-side is, they're not very stable. Sawing them in half and then filling one end with epoxy results in connectors that have mating cycles rated in the hundreds at best before the pins stop making clean connections. It also adds substantially to the workload to hand-dremel the parts. And they're surface-mount, with the tiniest headers you've ever seen, requiring an expert to assemble these boards.
Unfortunately, a group-buy isn't really viable for us. But I'm still hopeful that at some point, we can achieve success with something like the author's attempts at hand-making things with 3D printing and such.
What's its pitch? What's the PCB thickness? Would something like this work?
Hit me up if you guys are interested in getting a small batch of this made. My email is in my profile.
The part we are using now is the Samtec MEC2-(30,40,50)-01-L-DV card edge connector.
Here is the high level overview version: http://suddendocs.samtec.com/catalog_english/mec2.pdf
Here is the extreme detail version: http://suddendocs.samtec.com/prints/mec2-xx-xx-x-xxx-xx-xx-m...
If I'm reading things right, the pin pitch is 2mm, and the PCB (card) thickness is 1.6mm. But unfortunately I don't have calipers to tell you for certain. I could however get you an SNES deck for analysis ... they're very cheap.
I'll send you an e-mail as well, thanks again! I hope we can work something out!
Or maybe someone upstream of me in the supply chain was smart enough to do a huge buy?
This gentleman probably has the vast majority available for members of the public to buy, but I think the US military is probably still paying to have someone out there make them.
As for where they come from, I don't know, but I could find out if I asked our parts guy this week.
When dealing with a parts manufacturer in China, it's not uncommon to make a deal where you pay a premium for a few prototypes, and after those work, you pay for a volume shipment. Paying for the whole job up front is a big leap of faith.
Just to add a small data point: in my (limited) experience with Chinese manufacturers, MOQ rarely survive the first couple of emails.
They like to throw at you impressive MOQ just to see if you're serious, or maybe as a first try, or maybe because those MOQ are attached to the really low prices they have quoted elsewhere. But when you inquire further you often discover that MOQs aren't really binding.
For instance, I was recently told I would have to commit to 50000 pcs (50k!) of some fabric design... and in fact I'll be able to make less than 500 at a still very competitive price.
Also, and this may be true everywhere, once you engage with someone they become invested in your project and will work with you, even against the rules of their own organization, to make it happen. They won't sell their kids for you, but they will most certainly chat with the in-house accountant about MOQs.
I want to know more about the fabrication process that turned a Photoshopped DB-25 image into a manufacturable product.
I had an Amiga for a while, and after discovering they used unique connectors in order to force you to buy monitors and keyboards from Amiga, I figured it had no future and sold it.
The alternative to a monitor was an adapter to ordinary televisions. As for keyboards, Amigas from the Commodore era all included one in the box. It wasn't an aftermarket item.
If I recall correctly it couldn't read standard floppy disks either, but I might recall that wrong.
Microsoft did Apple a huge favor by making the Z80 Softcard for the Apple II.
I do not believe the concept of "commodity hardware" was well established when the Amiga was introduced in 1985, so faulting them for not using what eventually became commodity hardware is a little disingenuous.
I was using clones at the time I bought an Amiga, using commodity hardware, and nothing would interoperate with the Amiga.
I bought the Amiga intending to invest a lot of time and effort developing compilers for it. After I discovered its compatibility problems, I knew it would never succeed and was not going to invest in it. If DEC couldn't succeed with its pointlessly incompatible Rainbow, how could Amiga?
DEC did eventually fix the Rainbow, but by then its bad reputation was irretrievably lost. The DEC aficionados who had been holding out for a DEC PC had thrown in the towel and given up on DEC.
Like someone else said, the Macintosh was released at about the same time, was both IBM-incompatible and Apple II-incompatible, and it managed to succeed. The Amiga wasn't doomed because it did not use IBM-style keyboards or IBM-formatted disks or whatever.
To me, that seems like more hardware compatibility than a Mac or II.
Which reminds me that nobody knew that microchannel was not the way forward. Or at least nobody in the press. IBM had had already had hit and was still the dominate player. And there were M68000 based Mac's and Atari's along with legacy 8bit systems.
You are right on the other points though. Although proprietary hardware want the primary reason, it was one of the reasons of amiga eventual death.
I have one on my A1200, and it gives me a cool 1280x1024 via DVI on a standard LCD monitor.
DB-25 is what Rotel used for multi channel connectivity 20 years ago, which I guess made sense at the time but you'd never see it today. I had a Rotel RSP 980 pre-amplifier, Rotel RB-985 amplifier, and Rotel's Dolby Digital decoder - connected with 2x DB-25 cables. It was fine for my LD, but when moving forward to using a HTPC around 2005, this required real time DD encoding on the PC end, something that was not always that easy to get going. Also the Dolby Digital path didn't exactly give me stellar audio quality. High compressed, and there was something about the quality of the signal that left me wanting. Even listening to stereo music meant an enforced, compressed DD path.
In particular I wanted to access DTS HD Master + TrueHD audio, so with no other multi channel inputs, the alternative would have been to buy a completely new AV setup to support DTS etc. However the thought occurred to me that the DB-25 was just an analogue connection, and what if a converter cable existed? True enough, after much searching I managed to source a DB-25 to 6 RCA connector cable, which then let me hook up an Asus Xonar HDAV1.3 Deluxe sound card.
This switch resulted in a massive improvement of sound quality, much thanks to the excellent Asus product as well, and made using a now 20 year old hifi system completely viable.
I tried again in 2008 and scored with a (hopefully) proper 6 channel one from TheCableCo. It cost me a staggering US$168 shipped to Australia, so my joy was near endless when it just plugged straight in and worked. After that I upgraded to the Xonar sound card which took straight RCA inputs.
I'm almost willing to bet that there are many more still attached to equipment buried in rubbish dumps...
a) somebody in the group buy has the technical skills to do a proper drawing, or
b) you can spend a tiny amount of money to get proper drawings made.
I mean, it worked out in the end. But it seems like a giant case of Dunning-Kruger to think "Well I don't know how to make technical drawings, therefore photoshopping an existing drawing shouldn't present any problems".
Whatever tool you are competent with, is probably the correct one to use in these types of situations.
Fair guess - they took a DB9 drawing and inserted additional pins using whatever CAD system they were using, then entered production.
I haven't soldered anything but DB9s in later years, but I am pretty confident both pitch and edge shape is identical on DB9, DB15 and DB19. (I have a vague recollection DB25 is slightly closer pitched, but may well be mistaken.)
That being said, one can never supply too much information to a supplier - if nothing else to be able to shrug and say 'not to spec' when some seemingly irrelevant (to them) shortcut bungles your project...
The so-called "DB-19", on the other hand, had a nonstandard shell size, so it doesn't really have a proper name under the original system. Maybe "Dx-19".
The factory is probably going to recreate the drawing in their own tools anyway, even if you send them a STEP file. They can use a sketch on a napkin for that purpose, as long as the critical dimensions and tolerances are stated.
Old manufacturer probably trashed the tooling already (maybe it's even out of business by now)
Maybe not. It has been acquired in 1999 http://www.nytimes.com/1999/04/06/business/tyco-completes-ac... https://en.wikipedia.org/wiki/TE_Connectivity is still there. http://www.te.com/usa-en/products/families/amp.html they have 35 135 products under the AMP brand.
My only source for it being AMP: https://groups.google.com/forum/#!topic/vintage-macs/iWdF6fB...
Even if the author got it wrong and it was Amphenol and not AMP that's still fine, Amphenol exists too :)