The Gemini Challenger was a

Motorola 68000 The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") is a 16/32-bit complex instruction set computer (CISC) microprocessor, introduced in 1979 by Motorola Semiconductor Products Sector ...

based computer, released in 1985 and designed by Gemini Microcomputers based in

Chesham Chesham ( , ) is a market town and civil parish in Buckinghamshire, England, United Kingdom, south-east of the county town of Aylesbury, about north-west of Charing Cross, central London, and part of the London metropolitan area, London ...

. This was Gemini's first non

Z80 The Zilog Z80 is an 8-bit microprocessor designed by Zilog that played an important role in the evolution of early personal computing. Launched in 1976, it was designed to be software-compatible with the Intel 8080, offering a compelling altern ...

computer and their last. It was designed to look like an ordinary

PC-compatible An IBM PC compatible is any personal computer that is hardware- and software-compatible with the IBM Personal Computer (IBM PC) and its subsequent models. Like the original IBM PC, an IBM PC–compatible computer uses an x86-based central pro ...

computer, with a

Wyse Wyse Technology, Inc., or simply Wyse, was an independent American manufacturer of cloud computing systems. Wyse are best remembered for their video terminal line introduced in the 1980s, which competed with the market-leading Digital. They a ...

WY-50 remote terminal for monitor. Four operating systems were available (MBOS, aimed for business and supporting multiuser; Mirage, another multiuser OS; TDI p-System, a version of UCSD p-System including Pascal; CP/M 68k), along with an advanced optional graphic card (based on the

Hitachi () is a Japanese Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable ener ...

HD63484) with a maximum resolution of 1024 x 1024 pixels and 16 million available colours.

References

Computers designed in the United Kingdom 68k-based computers Computer-related introductions in 1985 {{Comp-hardware-stub