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Epson PX 8 Geneva

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Also known as  Geneva
Type  laptop
CPU  Z-80 compatible
Manufacturer  Epson
Operating system  CP/M-80
Epson PX-8 Geneva
Release date  Mid 1980; 37 years ago (1980)

The Epson PX-8 a.k.a. Geneva was a small laptop 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-80 operating system as well as various applications from a pair of ROM cartridge slots which were treated as drives. For file storage it had a built-in 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 60 KB or 120 KB intelligent RAM disk module to be attached (64K and 128K internally but some used for the processor). The intelligent RAM disk module had its own Z80 processor with a backup battery.

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. An additional battery provided backup for the internal RAM.

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, 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 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 compatible.

In 1985 Epson introduced the PX-4, combining features from both the PX-8 and the HX-20.


Epson PX-8 Geneva Wikipedia

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