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

[NoSp]

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:
http://img476.imageshack.us/img476/1483/ataricartridgeconnectorqo8.jpg

and here's another photo which shows how it mates with a PCB edge at
the other end:
http://img454.imageshack.us/img454/195/connectedaw0.jpg

Finally, here's a layout I've made of it using Eagle:
http://img206.imageshack.us/img206/8677/40pinatariedgelayoutvv3.png


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]

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" <no-spam2@lycos.com> wrote in message
news:1189770981.421524.34410@r29g2000hsg.googlegroups.com...

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:
http://img476.imageshack.us/img476/1483/ataricartridgeconnectorqo8.jpg

and here's another photo which shows how it mates with a PCB edge at
the other end:
http://img454.imageshack.us/img454/195/connectedaw0.jpg

Finally, here's a layout I've made of it using Eagle:
http://img206.imageshack.us/img206/8677/40pinatariedgelayoutvv3.png


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?

 

[NoSp]

On Sep 16, 7:25 am, "mark krawczuk" <krawczu...@dodo.com.au> wrote:

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 ?

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

 

[Graham W]

NoSp wrote:

On Sep 16, 7:25 am, "mark krawczuk" <krawczu...@dodo.com.au> wrote:

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 ?

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

They are 0.1" pitch anyway so no good for your application.


--
--
Graham W http://www.gcw.org.uk/ XP1800+ Page added, Graphics Tutorial
WIMBORNE http://www.wessex-astro.org.uk/ Wessex Astro Society's Website
Dorset UK Info, Meeting Dates, Sites & Maps

 

[NoSp]

On Sep 16, 12:51 pm, "Graham W" <gra...@his.com.puter.INVALID> wrote:

NoSp wrote:
On Sep 16, 7:25 am, "mark krawczuk" <krawczu...@dodo.com.au> wrote:

hi, they look like the old ISA slots

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

They are 0.1" pitch anyway so no good for your application.

That's too bad :-(
So the ISA slots have the same sort of connection at the end which
mates to a PCB-edge; 2mm spacing between each PCB "finger", but the
solder-pins at the other end are pitched at 0.1"? Strange.

Another approach to my project would be to use a connector of some
sort that matches the pin-spacing of those Atari connectors (2 rows
(20 pins) spaced 5mm apart, and 2mm apart for those 20 pins, as shown
in my illustration).
Are there connectors (preferrably for flat-cables) that fit this
pinout?

 

[Graham W]

NoSp wrote:

On Sep 16, 12:51 pm, "Graham W" <gra...@his.com.puter.INVALID> wrote:
NoSp wrote:
On Sep 16, 7:25 am, "mark krawczuk" <krawczu...@dodo.com.au> wrote:

hi, they look like the old ISA slots

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

They are 0.1" pitch anyway so no good for your application.

That's too bad :-(
So the ISA slots have the same sort of connection at the end which
mates to a PCB-edge; 2mm spacing between each PCB "finger",

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.

but the
solder-pins at the other end are pitched at 0.1"? Strange.

Read above.

Another approach to my project would be to use a connector of some
sort that matches the pin-spacing of those Atari connectors (2 rows
(20 pins) spaced 5mm apart, and 2mm apart for those 20 pins, as shown
in my illustration).
Are there connectors (preferrably for flat-cables) that fit this
pinout?

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.


--
--
Graham W http://www.gcw.org.uk/ XP1800+ Page added, Graphics Tutorial
WIMBORNE http://www.wessex-astro.org.uk/ Wessex Astro Society's Website
Dorset UK Info, Meeting Dates, Sites & Maps

 

[Hal Murray]

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

The PCI specs have good drawings. They want $ though.

--
These are my opinions, not necessarily my employer's. I hate spam.