The Bridgeboard is a full length Zorro II card that will let your Amiga 2000/3000(T)/4000(T) computer system run MS-DOS and Windows compatible software. CPU: Intel 80386SX RAM: 1MB (Expandable to 8MB) Controller: On board IDE interface. This card also allowed the use of ANY PC ISA cards plugged into your ISA slots, from the bridgeboard.