Where to buy 40pin edge-connector (2mm spacing)?

Question

I need some 40 pin card-edge connectors. It's the kind which has been for the Atari ST cartridge port. Unfortunately I can't find them for sale anywhere (Probably because of the rather unusual 2mm pin-spacing instead of the more common 0.1" - this makes me wonder if they were made by Atari's own specifications, or if they're a commonly available, but hard to find part).

Here's a photo of it:

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and here's another photo which shows how it mates with a PCB edge at the other end:

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Finally, here's a layout I've made of it using Eagle:

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So, does anyone know where I can buy them from or have any information about manufacturer etc. which would help me trace down its origins?

mark krawczuk · Accepted Answer

hi, they look like the old  ISA  slots on older type  computer mother boards, a bit longer they are , but cut to fit , maybe, desolder them of the m/b with a lpg torch ?mark k

NoSp · Answer

Where can I get a datasheet which shows the dimensions, spacings etcfor ISA connectors?I can't seem to find anything.

Graham W · Answer

They are 0.1" pitch anyway so no good for your application.-- -- Graham W    XP1800+ Page added, Graphics TutorialWIMBORNE    Wessex Astro Society's WebsiteDorset UK  Info, Meeting Dates, Sites & Maps

NoSp · Answer

That's too bad :-(So the ISA slots have the same sort of connection at the end whichmates to a PCB-edge; 2mm spacing between each PCB "finger", but thesolder-pins at the other end are pitched at 0.1"? Strange.Another approach to my project would be to use a connector of somesort that matches the pin-spacing of those Atari connectors (2 rows(20 pins) spaced 5mm apart, and 2mm apart for those 20 pins, as shownin my illustration).Are there connectors (preferrably for flat-cables) that fit thispinout?

Graham W · Answer

No! The interval between each edge connection is 0.1". The Motherboard end is still 0.1".. The system is called a 0.1" double-sided interface.

Read above.

There are loads of different connectors out there - you just have to do the groundwork. BTW, describing such as 'Atari' connectors doesn't help as many peeps never owned an Atari.

Hal Murray · Answer

The PCI specs have good drawings.  They want $ though.-- These are my opinions, not necessarily my employer's.  I hate spam.

Where to buy 40pin edge-connector (2mm spacing)?

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