Olivetti M22 Manufacturer Olivetti Personal Computers Processor type 2 x CPU 80C88 Cycle time 2 x 4,77 MHz RAM memory 256 KB (up to 1 MB) ROM memory 96 KB Ports RS-232C, CCITT V24, parralel port Op. The Olivetti 486/33 is a 486 computer that was released in the early 90's. Absolutely nothing is known about it. Its name probably means that it's equiped with a 486 running at 33 MHz. It uses the BU 486 S-XX case design. Add a photo to this gallery.

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Olivetti also sold quasi-portable 8086/8088-based PCs with an integrated keyboard and one or two integrated 3.5' floppy disk drives, running DOS 3.27, an Olivetti OEM version of PC DOS 3.20 with minor improvements like the M21 portable (based on M24) and the M15.

'The Olivetti Personal Computer M21 is a transportable computer system, designed to provide the versatility and computing power required in the modern business environment.

The Olivetti Personal Computer M21 is a complete computer system, providing the full range of hardware and software options normally associated only with desktop personal computers. Based on the Intel 8086 microprocessor, the M21 supports the following operating systems:

• MS-DOS
• Concurrent CP/M-86
• UCSD p-System

With these operating system options, users can choose from a vast range of application software to meet their processing needs.

A comprehensive set of programming languages is also provided, for users who want to develop their own applications:

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• BASIC
• COBOL
• Pascal
• FORTRAN
• C Language
• Assembler

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The flexibility of the system's software is matched by its hardware. Memory capacity starts at 128K bytes and can be expanded to 640K bytes. In terms of external storage, the system offers a variety of options:

• 320/360K byte diskette(s)
• 640/720K byte diskette(s)
• 10 Mbyte hard disk unit

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The system supports an integrated 9' monochrome video, this video provides advanced graphics features with a maximum resolution of 640 x 400 pixels. If a larger screen is required, or colour output is wanted, either of the M24's 12' videos can be connected.

The keyboard is a compact, industry-standard 83-key input device. During transit the keyboard is attached to the front of the basic module, thus protecting the video.'

Manufacturer: Olivetti
Date: 1983

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This exhibit has a reference ID of CH43175. Please quote this reference ID in any communication with the Centre for Computing History.

This laptop is owned by Vincenzo Casiraghi (Italy)

A total of 4-5 units were made.