KC 85/3
Il KC 85/3 è stato il successore del KC 85/2. I miglioramenti rispetto al vecchio sistema erano più RAM libera per i programmi (30 Kb invece di 18 Kb), una ROM più grande (16 Kb su 4 Kb), che includeva l’interprete Basic (con il KC85/2 dovevi caricarlo da nastro ).
Sia l’interprete CAOS che quello Basic avevano anche alcuni nuovi comandi, soprattutto per la gestione grafica, ma l’interprete Basic rimane pienamente compatibile con la versione 85/2.
| NAME | KC 85/3 |
| MANUFACTURER | R.F.T. |
| TYPE | Home Computer |
| ORIGIN | Germany |
| YEAR | July 1986 |
| END OF PRODUCTION | Somewhere around 1990 |
| BUILT IN LANGUAGE | Basic & CAOS 3.1 (Cassette Aided Operating System) |
| KEYBOARD | Chicklet keyboard, QWERTZ-Layout, 64 keys. 6 function keys (F1-F6), cursor keys. Keyboard connected to the UC through a mono audio-jack. |
| CPU | U880 D (Z80 clone) |
| SPEED | 1,75 Mhz |
| RAM | 32 KB (30 kb left for user), expandable up to 4 MB |
| ROM | 16 KB |
| TEXT MODES | 40 columns x 32 lines |
| GRAPHIC MODES | 320 x 256 dots |
| COLORS | 16 foreground, 8 background colours |
| SOUND | 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) |
| I/O PORTS | 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 |
| OS | CAOS 3.1 (for cassette operation), MicroDOS (if working with diskdrive expansion, CP/M compatible) |
| POWER SUPPLY | Built-in 25 W PSU |
| PERIPHERALS | V24 interface, memory cards (16 / 64 kb), EPROM-module, several user ports, 5 ¼” diskdrive set-top (included own U880 system with 64K RAM !!) |
| PRICE | 1900 East-German Marks (Germany) |
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