Microsci was a well-known vendor of third-party floppy disk drives for Apple II and III computers. The HAVAC (Home/Academic Very Affordable Computer) was an attempt to expand its market into full systems. It was a petite unit with an unusual oblong form factor. HAVAC DOS was an AppleDOS workalike.
Microsci HAVAC (1983, Apple II-class transportable)
Original Retail Price: $850
Base Configuration: 1MHz 6502 CPU; HAVAC DOS; external expansion port; 64K RAM; 8K ROM; 5.25-inch floppy disk drive; keyboard; RS-232C, parallel, and game ports; HAVAC BASIC; application suite; tutorial software
Video: 40-column text, 280 x 192 graphics
Size/Weight: 5.5 x 10.75 x 13.75 inches, 12 lbs.
Important Options: external 5.25-inch floppy disk drive