This integrated circuit fits on a board that plugged into an Apple II computer. The board provided the logic and circuitry to connect the computer to a separate printer. The packaging on this equipment is dated 1979.
The Apple Color LaserWriter 12/660 PS is a high-performance, multi-platform Adobe PostScript color laser printer that provides outstanding results for both color and gray-scale printing. A pack contains 50 letter-size sheets.
The Color…
Expansion card with an MC6850 AICA ("Asynchronous Communications Interface Adapter") serial interface chip, typically used with a modem. Predecessor to the Super Serial Card.
References:…
Serial interface (RS232) expansion card for the Apple II, DB25 female.
Serial no. 670-X005-___ Marked as copyrighted 1978, Apple Computer, Inc.
Miscellaneous Nos.: 650-X104-___, 820-0006-02
Marked as copyrighted 1978, Apple Computer,…
Parallel interface card (synchronous communication?), evidently for printers, DE9 female.
Miscellaneous Nos. on board: 670-___-____, 820-0027-01
Marked as copyrighted 1979, Apple Computer, Inc.
References:…