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Mac IIsi network card screws size?

I just installed a network card in my IIsi. Does anyone know the size and thread count of the screws that lock in place?

Macintosh_IIsi_Ports.jpg.e7122e1b3266471c8e982917aba8a060.jpg


 
4-40 works for mine. It's very similar to 3mm, but not the same. Haven't tried 3mm, but I don't think Apple went metric until much. much later.

 
Pick up some washers to keep the machine screw heads from diving into the slots too. IIRC the real deal has an integrated washer between the threaded end and the plastic turny-thingie. [:)] ]'>

 
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