[vcf-midatlantic] S-100 protoboards

[Jonathan Chapman]

> It was my understanding that only the Altair backplane had a different row
> spacing for it's connectors. Everything that I have seen since (IMSAI,
> Ithaca, TEI, CompuPro, Cromemco) used the same .250 row spacing.

The Byte Shop BYT-8 and Polymorphic Poly-88 both use the narrower spacing too. I don't know if later Polymorphic systems do too. There are probably others. Haven't checked on my TDL stuff.

Thanks,
Jonathan