The Macintosh II has drive bays for an internal hard disk (originally 40 MB or 80 MB) and an optional second floppy disk drive. It, along with the Macintosh SE, was the first Macintosh to use the Apple Desktop Bus (ADB) introduced with the Apple IIGS for keyboard and mouse interface.
The Macintosh II has drive bays for an internal hard disk (originally 40 MB or 80 MB) and an op,tional second floppy disk drive It along with the Macintosh SE, was the first Macintosh to use the Apple Desktop Bus (ADB) i.ntroduced with the Apple IIGS for keyboard and mouse interface.