Tandy Z-PDA

Processor Architecture

Custom chip designed by Casio Computer Co., Ltd., using an Intel-compatible CPU with integral clock generator, memory, bus, interrupt, timer, key, serial and infrared control units, power management unit, LCD controller.

Operating System

The GEOS system software from Geoworks is object-oriented, multithreaded and multitasking, with an easy-to-use graphical user interface. The software provides:

File manager

Printer drivers
Communication drivers
System-level password security
Launcher menu for application setup
Pop-up, on-screen keyboards: QWERTY, A-Z, international characters, symbols, math, handwriting recognition box

Memory

System RAM - 1MB
Operating system configured to use 640KB for system heap and 384KB for RAM disk space

System ROM

4MB containing the operating system, applications, and content

Applications

Palm Computing

PalmPrint - handwriting recognition
Palm Organizer with PowerInk, BackspaceInk, and expanded fields includes:
- PalmSchedule date book with alarms and to-do list manager
- PalmAddress address book with attached sketch pages
- PalmNotes notebook with table of contents
- 50,000-definition dictionary, 100,000-word spell checker, and 660,000-synonym thesaurus
- Calculator
- Home and world time clock
- Forms calculator
- Translation dictionary for 26 languages (up to 1,000 words per language)
- On-line help
- U.S. holidays, U.S. state/city information, international country/city info, area codes
- Travel data, birthstones and flowers, signs of the Zodiac, U.S. founding documents

Geoworks

Games: Solitaire, Pyramid Solitaire, UKI

Intuit

Pocket Quicken personal finance application with checkbook register, credit card, cash, and expense account tracking capabilities

America Online

America Online E-mail and gateway to Internet with offline composition; ASCII text FAX and U.S. Mail gateway; wire services with news search; EAASY SABRE Travel Service; stock quotes; program downloading

Hardware

I/O Ports

Built-in infrared transceiver for wireless data transfer operating at up to 9600 bps
One RS-232 compatible serial port with subminiature 10-pin "D" connector
One 2.5mm subminiature headphone jack
One PCMCIA Type 2 slot, limited to 50mA maximum current

LCD Display

80mm wide x 100mm high monochrome LCD (0.3mm dot pitch)
320 x 256 screen resolution

Sound capability

Built-in speaker
Three square wave ton generators
White or metal noise generator
Programmable level control for each channel
Digital to analog converter (DAC)

Controls, Switches, Indicators/Locks

Power on/off
Volume
Contrast
Cross-shaped cursor control and two control buttons
PCMCIA card lock

Mass Storage (Optional)

PCMCIA SRAM Card
PCMCIA SunDisk Flash ROM

Power Supply

Three "AA" alkaline batteries (included)
RAM memory backup supplied by two CR2032 lithium batteries (included)
AC adapter (optional)

Dimensions

Size: 1" x 4.2" x 6.8" (H x W x D)
Weight: 15.3 ounces (with batteries)

Accesories/Options

Cat. No. 25-3101: Serial cable for modem or data transfer
Cat. No. 25-3102: I/R interface for Z-PDA/PC communication
Cat. No. 25-3103: Replacement stylus
Cat. No. 25-3104: Deluxe stylus
Cat. No. 16-2018: AC adapter
Cat. No. 25-3107: PCMCIA memory card
Cat. No. 25-3108: Leather carry case