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.
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This computer is an East-German product (GDR)
Friday 13rd June 2008
Werner-Thomas Niemann (Germany)
END OF PRODUCTION
BUILT IN LANGUAGE
KC 87 OS, BASIC
Built into Unit, QWERTZ-Layout, 65 keys VERY hard to write with
U880 D (Z80 clone)
17 KB (useable: 16), expandable to 64 KB max.
16 KB (4 KB OS, 10 KB BASIC, 2 KB character map)
40x24 characters (switchable to 40x20)
Graphics only possible with 128 pre-defined graphic and 96 text symbols in text mode (8x8 pixels size)
B/W, color module available as an option (then 8 foreground and 8 background colors)
Integrated beeper. Mono sound module with 8 volumes and 6 octaves available as an option
SIZE / WEIGHT
400x300x85 mm / 4,1 Kg
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
KC 87 OS
ca. 25 W
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
KC 87.30: 3000 Marks (1986), 960 Marks (1989) KC 87.31: 1300 Marks (1989)