Epson PX-8 Geneva
Encyclopedia
The Epson PX-8 aka Geneva was a small laptop
Laptop
A laptop, also called a notebook, is a personal computer for mobile use. A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device and speakers into a single unit...

 computer made by the Epson Corporation in the mid-1980s.

It had a Z-80 compatible microprocessor, and ran a customized version of the CP/M
CP/M
CP/M was a mass-market operating system created for Intel 8080/85 based microcomputers by Gary Kildall of Digital Research, Inc...

-80 operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

 as well as various applications from a pair of ROM cartridge slots. For file storage, it had a microcassette drive.

The PX-8 did not have any internal disk drive, and instead allowed either memory to be partitioned into application memory and a RAM disk, or an external 64 KB or 128 KB RAM disk module to be attached; the RAM disk module also had a backup battery for the RAM disk and an additional ROM (64 KB version only) cartridge slot. Data can be saved onto the built-in micro cassette tape drive.

The PX-8 had an 80 column by 8 line LCD display, which was monochromatic and non-backlit. It used an internal nickel-cadmium battery, and had a battery life in the range of 6-8 hours when using word-processing software.

There were a number of proprietary accessories available including a portable printer, bar code reader, and an early 3.5-inch diskette drive, the PF-10. The disk drives from the HX-20 could also be used. For the ROM cartridge slots a number of applications were available: Basic, CP/M utilities, Portable WordStar
WordStar
WordStar is a word processor application, published by MicroPro International, originally written for the CP/M operating system but later ported to DOS, that enjoyed a dominant market share during the early to mid-1980s. Although Seymour I...

, CalcStar, Scheduler, dBase II and Portable Cardbox-Plus.

The PX-8 was not initially a commercial success, especially compared against the TRS-80 Model 100
TRS-80 Model 100 line
The TRS-80 Model 100 was an early portable computer introduced in 1983. It was one of the first notebook-style computers, featuring a keyboard and liquid crystal display, battery powered, in a package roughly the size and shape of notepad or large book....

 portable computer but achieved some increased success after a large number were sold discounted in the United States through the DAK Catalog. The PX-8 combined some of the features from its predecessors, the HX-20 being portable, battery operated and the QX-10 being CP/M
CP/M
CP/M was a mass-market operating system created for Intel 8080/85 based microcomputers by Gary Kildall of Digital Research, Inc...

 compatible.

In 1985 Epson introduced the PX-4
Epson PX-4
The Epson PX-4 is a portable CP/M based computer introduced in 1985. The screen was 40×8 characters physical, but 80×25 or 40×50 virtual, making it almost compatible with the Epson PX-8 Geneva...

, combining features from both the PX-8 and the HX-20.

External links

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