Internals of Matteo's M20 Color

Matteo's Olivetti M20 DES

The "rev. D" mainboard.

Another sight of the "rev. D" mainboard. Note the Z8001 at the right end, made by SGS-ATES microelettronica (now ST Microelectronics).

An original Olivetti 32KiB color memory expansion.

The (clean!) switch matrix under the keys of the keyboard.

Inside the (rare) color monitor.

Another sight of the inside of the color monitor. The CRT tube was provided by NEC.

Inside the color monitor.

The color monitor.

The system while copying files.

The printer cable.

Z8001, made by SGS-ATES microelettronica (now ST Microelectronics). This detail is interesting because this processor was made in Italy by SGS by license from Zilog.

Z8001, made by SGS-ATES microelettronica (now ST Microelectronics).

Olivetti is a registered trademark of Telecom Italia. This site is not related to Olivetti nor to Telecom Italia. The material presented is meant for personal use only and is shared in a "fair use" spirit. If you own the copyright of some of the stuff presented here and you think it should be removed, please contact the webmaster.

Updates