About This Video
Check out the ultra-rare MicroSCI HAVAC (Home Academic Very Affordable Computer), a compact Apple II-compatible computer originally developed during the early 1980s as a dedicated game system before evolving into a full Apple-compatible computer.
Created by Southern California-based MicroSCI during the golden age of home computing and entertainment software, the HAVAC represents an unusual and little-known chapter in Apple II clone computer history.
Hardware Specifications:
- 6502 processor
- 64K of RAM
- 8K of ROM
- Built-in single-sided floppy disk drive
- Joystick support
- Serial and parallel connectivity
- Detachable 63-key keyboard
Compatibility Notes:
- Generally compatible with Apple II software
- Keyboard layout closely resembles the Apple IIe
- Limited compatibility with some Apple IIe-specific applications
- Compatibility issues with some CP/M software
- Compatibility limitations with certain ProDOS configurations
- Limited internal expandability
Video Highlights:
- Exterior hardware and case design
- Rear ports and connectivity
- Built-in floppy disk drive
- Detachable keyboard
- Apple II software compatibility
- History of MicroSCI and the HAVAC
The HAVAC was intended to provide an affordable alternative to Apple hardware at a retail price of $799 USD. Despite its limitations and lack of expandability, the MicroSCI HAVAC remains a fascinating example of early 1980s computer design and the rapidly evolving home computer market of the Apple II era.
You can find more Apple IIe information and projects in my Apple IIe System Guide.