The KC 85/3 was the successor of the KC 85/2. Improvements over the old system were more free RAM for programs (30 Kb instead of 18 Kb), a larger ROM (16 Kb over 4 Kb), which included the Basic interpreter (with the KC85/2, you had to load it from tape).
Both CAOS and Basic interpreter also had some new commands, especially for graphics management but the Basic remains fully compatible with the 85/2 version.
Info provided by Stefan Goehler.
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Chicklet keyboard, QWERTZ-Layout, 64 keys. 6 function keys (F1-F6), cursor keys. Keyboard connected to the UC through a mono audio-jack.
U880 D (Z80 clone)
32 KB (30 kb left for user), expandable up to 4 MB
40 columns x 32 lines
320 x 256 dots
16 foreground, 8 background colours
2 tone generators, 2 x 5 octaves.; Stereo when connected to an hi-fi system (constant volume), mono with TV, if connected through FBAS/RGB (32 volume levels)
SIZE / WEIGHT
Base Unit : 380 x 250 x 70 mm. Keyboard : 296 x 152 x 29 mm / 4,8 Kg (including keyboard)
Color TV output through PAL HF-modulator, TV output via FBAS/RGB, cassette interface DIN connector (including TTL motor switch voltage) or sound output to a stereo, 2 expansion slots, expansion interface for set-top expansion
CAOS 3.1 (for cassette operation), MicroDOS (if working with diskdrive expansion, CP/M compatible)
Built-in 25 W PSU
V24 interface, memory cards (16 / 64 kb), EPROM-module, several user ports, 5 ¼'' diskdrive set-top (included own U880 system with 64K RAM !!)