Hi there,

Have an oldie but goodie, HP 4050 printer that only has a Parallel Printer cable input. That is not a problem, but most new computers do not seem to have Parallel Printer ports as everything these days is USB. For my wife and my computers, I fitted a Parallel Printer card with socket attached.

I know that I can buy USB to Parallel Printer Cable but my question is: if a Parallel Printer plug has 36 pins, and a USB only has about 3/4 contacts, how do the two work?

Same with VGA to DVI; one has more pins that the other so what are all the pins for?

Just a passing interest.

Rex