The KC87 is the successor of the KC85/1. The main difference between the two systems is the built-in BASIC interpreter. Thus it was software and hardware compatible to its predecessor.
This model existed in two different versions: KC87.30 and KC87.31. Latter had the RGB option already included.
Text and info kindly provided by Stefan Goehler.
NAME
KC 87
MANUFACTURER
Robotron
TYPE
Home Computer
ORIGIN
Germany
YEAR
1986
END OF PRODUCTION
around 1990
BUILT IN LANGUAGE
KC 87 OS, BASIC
KEYBOARD
Built into Unit, QWERTZ-Layout, 65 keys VERY hard to write with
CPU
U880 D (Z80 clone)
SPEED
1,75 Mhz
RAM
17 KB (useable: 16), expandable to 64 KB max.
VRAM
2 KB
ROM
16 KB (4 KB OS, 10 KB BASIC, 2 KB character map)
TEXT MODES
40x24 characters (switchable to 40x20)
GRAPHIC MODES
Graphics only possible with 128 pre-defined graphic and 96 text symbols in text mode (8x8 pixels size)
COLORS
B/W, color module available as an option (then 8 foreground and 8 background colors)
SOUND
Integrated beeper. Mono sound module with 8 volumes and 6 octaves available as an option
SIZE / WEIGHT
400x300x85 mm / 4,1 Kg
I/O PORTS
B/W TV output through HF-modulator, DIN connector for cassette drive, DIN connector for special tasks (I/O), 2 connectors for 2 Joysticks, 4 x module slots (K1520-Bus) After RGB-Upgrade: 1 connector for 2 Joysticks, 1 connector for RGB color output
OS
KC 87 OS
POWER SUPPLY
ca. 25 W
PERIPHERALS
Colour addon, Sound module, Basic on ROM, 16 KB RAM modules, 10 KB module with room for self-programmed ROM’s, ADC module, DAC module
PRICE
KC 87.30: 3000 Marks (1986), 960 Marks (1989) KC 87.31: 1300 Marks (1989)
