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Posted By

unclouded
on 2020-07-25
08:43:29

Re: Expansion connector pin pitch

Do they mean PCIe rather than PCI? I had a look at some datasheets just now and PCI seems to be 1.27mm between centres and PCIe 1.00mm between centres, which would be close to half of 1.98mm.

Posted By

MMS
on 2020-04-25
16:29:22

Re: Expansion connector pin pitch

AFAIK 1.98mm is the pitch (=0.08inch) and the thickness is the same as on C64, 1,57mm.

The ATARI ST ROM module connector has a same pitch, but with much less pins, and noone used it.

Someone mentioned that the PC's PCI connector is exactly the double pitch, so if every second pin is covered/removed, than it will do the job. Maybe it could be utilized to make port expander too.

Posted By

gerliczer
on 2020-04-25
16:26:22

Re: Expansion connector pin pitch

According to a scanned page of a Hungarian magazine: width 52 mm, pitch ~1.98 mm (78 mil?), thickness 1.4 mm. It can be found here: ftp://ftp.zimmers.net/pub/cbm/plus4/schematics/connectors-1.jpg

Posted By

unclouded
on 2020-04-25
04:05:21

Expansion connector pin pitch

What are the specifications for the expansion connector in the 264-series? I.e. what's the pin pitch and card thickness?