Day: January 30, 2009

Not wanting to sit in traffic I decided to stay at work late and poke around with the Atari SIO connectors from an Okidata printer which sent last week. These parts were desoldered earlier in the week and I think I’ve captured their footprint properly. I just hope that the other SIO connectors out there also fit.

Because this footprint was done in CadSoft EAGLE I can’t easily dimension it, so that might make it a little difficult for other people to reuse. Maybe I’ll try and do a DXF of it or something. While measuring it I came across a couple unexpected (for me) things which lead me to believe that it was hand-designed way back when. For example, the overall footprint seems to be 2:1 width:height ratio (1.86″ x .93″), and the pins have a .14″ spacing between each other, with the pins forming equilateral triangles.

(And yes, I will be CC licensing this footprint once I’ve tuned it to fit all the SIO connector variants that I can find.)