Dunno about the build a mainframe from things you have at home song, but Frank Hayes' S100 Bus is a hoot. I find myself singing it every time I get into the guts of a PC, especially the verse: There's a board for the modem line and one for every port and a printer board and a keyboard board and as a last resort for every problem we will add a board that is the cure it's not too damned efficient but it's a mother, that's for sure. Well it's Cheer up me Lads, let your hearts never fuss When you're implementing systems on the S100 bus. -- Jim Strickland jim(a)DIESPAMMERSCUMcalico.litterbox.com ----------------------------------------------------------------------- Vote Meadocrat! Bill and Opus in 2000 - Who ELSE is there? -----------------------------------------------------------------------