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  Sharp Zaurus

    

  The Sharp Zaurus is the name of a series of Personal Digital Assistant (PDA) made by Sharp Electronics. The Zaurus was the most popular PDA during the 1990s in Japan and was based on a proprietary operating system. The first Sharp PDA to use a variant of the Linux operating system was the SL-5000D.

 

Zaurus History

 

  In September of 1993, Sharp introduced the PI-3000, the first in the Zaurus line of PDAs. Featuring a black and white LCD screen, handwriting recognition, and optical communication capabilities among its features, the Zaurus soon became one of Sharp's flagship products.

 

  The PI-4000, released in 1994, expanded the Zaurus' features with a built-in modem and facsimile functions. This was succeeded in 1995 by the PI-5000, which had e-mail and mobile phone interfaces, as well as PC linking capability. The Zaurus K-PDA was the first Zaurus to have a built-in keyboard in addition to handwriting recognition; the PI-6000 and PI-7000 in brought additional improvements.

 

  During this time, Sharp was making significant advances in color LCD technology. In May of 1996, the first color Zaurus was released; the MI-10 and MI-10DC were equipped with a five-inch color thin-film transistor (TFT) LCD screen. This model had the ability to connect to the internet, and had a built-in camera and audio recorder. Later that year, Sharp developed a forty-inch TFT LCD screen, the world's largest at the time. In December, the MI-10/10DC Zaurus was chosen as the year's best product by Information Display Magazine in the United States.

 

  Sharp continued to make advancements in display technology; the Zaurus gained additional multimedia capabilities, such as video playback, with the introduction of the MI-E1 in Japan in November of 2000. The MI-E1 was also the first Zaurus to support both Secure Digital and CompactFlash memory cards, a feature which would become standard on future models as well. The MI series' popularity propelled it into the U.S. market, renamed the SL series, the first of which was the SL-5000D "developer edition." This was shortly followed by the SL-5500; both used an embedded version of the Linux operating system.

 

Zaurus models

 

  As of July 2003, the series includes the following models orderd by series and date of release:

 

  • Personal Information (PI) series

    • PiČ T, proof of concept model presented in April 1992

    • PI-3000, the first model, introduced to the Japanese market on October 1, 1993

    • PI-4000/FX, second generation with ink and fax capabilities, on sale in Japan June 1994

    • PI-5000/FX/DA, first model capable of syncing data to a personal computer, going on sale in November 1994.

    • PI-4500, is introduced in January 1995

    • PI-6000/FX, featuring a new handwriting recognition software, on sale in Japan August 1995.

    • PI-6000DA, adding a digital adapter for cellular phones, introduced on December 12, 1995

    • PI-7000, dubbed AccessZaurus (アクセスザウルス) sports a built in modem, is introduces in February 1996.

    • PI-6500, was introduced to the Japanese market with a list price of 55'000 Yen on November 22, 1996. Measuring 147x87x17mm and weighting 195g including the batteries, it sports a 239x168 dot matrix display and 715KB of user addressable memory.

    • PI-8000, went on sale on January 24, 1997 with a list price of 80,000 Yen. It featured a 319x168 dot matrix display, 711KB user addressable memory, messuring 157x90x17mm, and weighting 215g including batteries.

    • PI-6600, the last AccessZaurus with a 239x168 dot matrix display, measuring 147x87x17mm and a weight of 195g including batteries. It went on sale in Japan on September 25, 1997.

  • K-PDA (ZR) series

    • ZR-3000

    • ZR-3500

    • ZR-5000/FX, a clam-shell model only sold outside of Japan, going on sale in January 1995.

    • ZR-5700

    • ZR-5800

  • MI series

    • MI-10DC/10, nicknamed ColorZaurus, was the first model to have a color display. The DC model featured a digital camera and was initially priced 155,000 Yen. The MI-10 was listed as 120,000 Yen. Both models went on sale on June 25, 1996.

    • MI-506DC/506/504, PowerZaurus

    • MI-110M/106M/106, ZaurusPocket

    • MI-610/610DC, PowerZaurus

    • MI-310, ZaurusColorPocket

    • MI-EX1, Zaurus ICRUISE

    • MI-P2-B, Zaurus igeti

    • MI-C1-A/S, PowerZaurus

    • MI-P1-W/A/LA, Zaurus igeti

    • MI-P10-S

    • MI-J1

    • MI-E1

    • MI-L1

    • MI-E21

    • MI-E25DC

  • Linux based SL series

    • SL-5000D, a developer edition of the SL-5500

    • SL-5500, the first Zaurus to be sold outside Japan, is based on the Intel StrongARM processor, has 64 MB of RAM and a built-in keyboard

    • SL-A300, an ultra-light PDA with no keyboard, sold only in Japan

    • SL-B500, name of the SL-5600 in Japan

    • SL-5600, the successor to the SL-5500, with greater processing capability and increased RAM

    • SL-C700, a clam-shell model and the first PDA to have a full-color 640x480-resolution display

    • SL-C750, an improved version of the SL-C700; longer battery life, better processor and updated software

    • SL-C760, an improved version of the SL-C700 with more RAM than the SL-C750

 

Zaurus software

 

  With the switch to the Linux operating system the Zaurus became capable of running variations of a wide variety of proprietary and open source software, including web and FTP servers, databases, and compilers. Some developers have created an open source environment for the Zaurus called OpenZaurus, which uses the Opie graphical user interface and is designed for the power user, but it does not include the proprietary software which is distributed with the Zaurus.

 

 

This content from Wikipedia is licensed under the GNU Free Documentation License.