Cyrix - definition. What is Cyrix
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PUBLIC COMPANY
Cyrix Corporation; Cyrix FasMath

Cyrix         
<company> A microprocessor manufacturer. They produce an Intel 486 equivalent - the Cy486SLC and a Pentium equivalent - the Cyrix 6x86. http://cyrix.com/. (1996-03-23)
Cyrix Cx486         
  • A Cyrix-designed SGS-Thomson processor. SGS sold Cyrix processors under their own label as per their contract.
  • Cyrix Cx486DX2 rated for 66MHz operation.
  • Die shot of Cx486DX-40.
  • Die shot of Cx486DX2-V66.
  • A Cyrix Cx486S processor. Compatible with the Intel 486SX.
  • Die shot of Cx486S-33.
  • The Cyrix Cx487S FPU coprocessor, installed between CPU and motherboard socket.
MICROPROCESSOR
Cyrix 486; Cx486; Cyrix Cx486DX2; Cyrix Cx486DX4; Cx486DX4; Cx486DX2; Cx486DX; Cyrix Cx486DX; Cyrix Cx486S; Cx486S
The Cyrix Cx486 was an x86 microprocessor designed by Cyrix. It primarily competed with the Intel 486 with which it was software compatible, would operate in the same motherboards provided proper support by the BIOS was available and generally showed comparable performance.
Cyrix III         
MICROPROCESSOR
Cyrix iii
Cyrix III is an x86-compatible Socket 370 CPU. VIA Technologies launched the processor in February 2000.

ويكيبيديا

Cyrix

Cyrix Corporation was a microprocessor developer that was founded in 1988 in Richardson, Texas, as a specialist supplier of floating point units for 286 and 386 microprocessors. The company was founded by Tom Brightman and Jerry Rogers.

In 1992, Cyrix introduced its own i386 compatible processors, the 486SLC and 486DLC. These were higher performance than the Intel parts, but lower price. They were primarily marketed to users looking to upgrade existing machines. Their release sparked a lengthy series of lawsuits with Intel while their foundry partner IBM was releasing the same designs under their own branding.

The combination of these events led Cyrix to begin losing money, and the company merged with National Semiconductor on 11 November 1997. National released Cyrix's latest designs under the MediaGX name and then an updated version as Geode in 1999. National sold the line to AMD in August 2003 where it was known as Geode. The line was discontinued in 2019.