The configuration. Lisa is a desk-top computer of fairly compact dimensions. The Apple Profile hard disk, here shown at the far right alongside the system, is often placed on top of the Lisa cabinet or on the floor under the desk to reduce space requirements. The dual floppy disk drives (code-named “twiggies”) are easily visible beside the display.

Less obvious, but very important, is the ease with which Lisa can be serviced. Apple has paid careful attention to the physical packaging of Lisa. You can access any component without tools in no more than one to twominutes. New modules snap easily into place.