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Hewlett Packard

The HP-86 series was the same machines as the HP-87 but used a 9" or 13" external monochrome monitor.

The built-in BASIC language derived from the HP-85's but featured about 20 additional graphics commands. It also allowed to directly address the ports of external modules.

Two vdersions were successively released:
The 86-A had 64 KB of RAM and was fully compatible with the 87-A. It had built-in interfaces for a printer and dual floppy drives. Internally, these interfaces were seen as HP-IB devices.

The 86-B had 128 KB of RAM and an HP-IB port instead of the printer/fDD interfaces. It was the same machine as the HP-87XM, but with an external monitor.

There was no special operating system. The Basic interpreter provided all the necessary commands for I/O and peripherals management.

Notice that the HP-IB interface found on almost all HP computers - from micro to mini - is a special version of the well-known IEEE 488 interface.

MANUFACTURER  Hewlett Packard
TYPE  Professional Computer
YEAR  July 1982
BUILT IN LANGUAGE  HP-Basic interpreter
KEYBOARD  Full-stroke 91 keys with 7 function keys and arrow keys
CPU  Hewlett-Packard 8 bit (Unknown)
SPEED  0.625 MHz
RAM  64 KB (86A), 128 KB (86B), up to 640 KB
ROM  48 KB
TEXT MODES  80 x 24
GRAPHIC MODES  544 x 240
COLORS  Monochrome
SOUND  Built-in speaker
SIZE / WEIGHT  42 (W) x 45.5 (D) x 13 (H) cm
I/O PORTS  Centronics, 2 x FDD (86A), HP- IB (86B)
OS  HP-Basic
POWER SUPPLY  Built power supply unit
PERIPHERALS  External FDD, printers, HP expansion cards, all HP-IB compatible peripherals
PRICE  Unknown

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