Once upon a time when I was in High School, I used to visit Santa Clara University. I would get there 0-dark:30. I was able to use card punches to create my program decks, There were some sort of pre-punched JCL cards. Cards in Hopper - I think I pushed something - cards read 2100 rumbles Line printer starts printing. So It was some sort of batch system. I think it had Algol and Fortran and Assembly Language as it's languages. Hp 2100 (square white lights) Card Reader Line Printer 1 Cartridge disk drive with a flat disk that slid in horizontally 1 9 track tape drive Highspeed paper tape reader Highspeed punch Boot tape was a bout 2 ft long something special about the octal number 102077 BTW will simh compile on Mac OS X?