HP 85

 
 
HP 85 from 1980

CPU: Custom HP 8-bit @ 0.625MHz
RAM: 32KB
ROM: 32KB BASIC 
Display: 5" CRT (white), 16 rows x 32 chars text, 256x192 dots graphics 
Ports: 4 cartridge slots
Serial No.: 2031A12572
Catalog Price: $3,250
Notes: The HP85 all-in-one computer was announced in December 1979 and released in January 1980. It has a 5" monochrome (white) monitor, thermal printer and cartridge tape drive. This unit also came with a 16KB RAM cartridge and a ROM drawer with the following ROMS:

00085-15001MASS STORAGE
00085-15002PLOTTER/PRINTER
00085-15003INPUT/OUTPUT
00085-15004MATRIX
00085-15005ADVANCED PRGM.

The power supply PCB in this unit was bad, and I replaced it (the old one to be repaired later). The cartridge tape drive works, but finding good tapes is problematic.


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Last updated on Sunday, December 10, 2017