Specifications
- Processor: 8-bit Intel 80C85, CMOS, 2.4 MHz
- Memory: 32 kB ROM, 8, 16, 24, or 32kB static RAM. Machines with less than 32 kB could be expanded in 8 kB increments of plug-in static RAM modules.
- Display: 8 lines, 40 characters LCD with 240 by 64 pixel addressable graphics. The screen was not backlit.
- Keyboard: 56 keys, 8 programmable function keys, and 4 dedicated command keys.
- Peripherals: The basic package included: Built-in 300 baud modem (North American versions), parallel printer port, serial communication port (shared by internal modem), bar-code reader input, cassette audio tape, real-time clock.
- Dimensions: 300 by 215 x 50 mm, weight about 1.4 kilograms (3.1 lb) with batteries
Power supply: Four penlight (AA) cells, or external power adapter 6V (>180 mA, tip negative configuration)
The 8K and 24K versions sold for US$1099 and US$1399 respectively.
The Model 100 was promoted as being able to run up to 20 hours and maintain memory up to 30 days on a set of four alkaline AA batteries.
The Tandy Portable Disk Drive (TPDD), a serial device capable of storing 100 KB of data on a 3.5 inch diskette was also available. A second version, the TPDD2, could store up to 200 KB, as it used double sided disks.
A disk-video interface expansion box was released in 1984, with 5-1/4 inch disk drives and a CRT video adapter. This allowed the Model 100 to display 40 or 80 column video on an external television set or video monitor.
A bar code reader wand was also offered.
Read more about this topic: TRS-80 Model 100