Psion Siena

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Psion Siena was a personal digital assistant (PDA) developed by Psion PLC, a pioneering company in the field of mobile computing. Released in 1996, the Psion Siena was designed to be a compact and portable device, offering a range of functionalities for personal and professional use.

Overview

The Psion Siena was part of the Psion Series 3 family, which included other models such as the Psion Series 3a and Psion Series 3c. It was smaller and more affordable than its predecessors, making it an attractive option for users seeking a lightweight and versatile PDA.

Hardware

The Psion Siena featured a monochrome LCD screen with a resolution of 240x160 pixels. It was powered by a single AA battery, which provided several weeks of usage due to the device's efficient power management. The device also included a PCMCIA slot for memory expansion and connectivity options.

Software

The Psion Siena ran on the SIBO (SIxteen Bit Organiser) operating system, which was also used in other Psion devices. It came pre-installed with a suite of applications, including a word processor, spreadsheet, database, and calendar. The device also supported programming in the OPL language, allowing users to create custom applications.

Connectivity

The Psion Siena offered several connectivity options, including an RS-232 serial port for connecting to other devices such as modems and printers. It also supported infrared communication, enabling wireless data transfer between compatible devices.

Legacy

Although the Psion Siena was eventually overshadowed by more advanced PDAs and smartphones, it remains a notable example of early mobile computing technology. The device's compact design and versatile functionality influenced the development of future handheld devices.

See also

• Psion Series 3
• Psion Series 5
• Personal digital assistant
• Mobile computing