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Encyclopedia > MediaGX
Cyrix Media GX Microprocessor
Cyrix Media GX Microprocessor

Introduced in 1997, the MediaGX CPU was an x86 processor manufactured by designed by Cyrix and manufactured by National Semiconductor. The core is based on the integration of the Cyrix Cx5x86 CPU core with hardware to process video and audio output (XpressRAM, XpressGRAPHICS, XpressAUDIO). Following the buyout of Cyrix by National Semiconductor and the sale of the Cyrix name and trademarks to VIA Technologies, the core was developed by National Semiconductor into the Geode line of processors, which was subsequently sold to Advanced Micro Devices. Image File history File linksMetadata Media_GX.jpg Summary Media GX Processor Licensing I, the creator of this work, hereby release it into the public domain. ... Image File history File linksMetadata Media_GX.jpg Summary Media GX Processor Licensing I, the creator of this work, hereby release it into the public domain. ... 1997 (MCMXCVII) was a common year starting on Wednesday of the Gregorian calendar. ... CPU can stand for: in computing: Central processing unit in journalism: Commonwealth Press Union in law enforcement: Crime prevention unit in software: Critical patch update, a type of software patch distributed by Oracle Corporation in Macleans College is often known as Ash Lim. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ... Cyrix corporate logo Cyrix was a CPU manufacturer that began in 1988 as a specialist supplier of high-performance math co-processors for 286 and 386 systems. ... Categories: Electronics companies of the United States | Companies based in California | Corporation stubs ... Released in August 1995, four months before the more famous Cyrix 6x86, the Cyrix Cx5x86 was the fastest CPU ever produced for Socket 3 computer systems. ... VIA Technologies logo VIA Technologies is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory, and is part of the Formosa Plastics Group. ... The Geode is the brand given to series of x86-compatible microprocessors produced by AMD which it targets at the embedded computing market. ... For other possible meanings of AMD see AMD (disambiguation) Advanced Micro Devices, Inc. ...


Whether this processor belongs in the fourth or fifth generation of x86 processors can be considered a matter of debate as the processor was based on the 5x86. While the 5x86 was based around Cyrix's competitor to Intel's Pentium line, the 5th generation 6x86, it was designed to interface with a 486 era motherboard and was clearly inferior to the 6x86 at equal clock frequencies. Pentium logo, with MMX enhancement The Pentium is a fifth-generation x86 architecture microprocessor by Intel. ... The Cyrix 6x86 is a sixth-generation, 32-bit 80x86_compatible microprocessor designed by Cyrix and manufactured by IBM and SGS_Thomson. ...


MediaGX CPU was used in the: CTX EzBook and Compaq Presario 1230, 2100 and 2200 desktops, Casio Cassiopeia Fiva tablet PC, and many others. To meet Wikipedias quality standards, this article or section may require cleanup. ...

Contents


Virtual Subsystem Architecture

Virtual Subsystem Architecture (VSA) emulates a presense of the real hardware VGA (XpressGRAPHICS) and Sound Blaster (XpressAUDIO). The access to the hardware resources traps via BIOS and emulates in the System Management Mode (SMM), enabling it to execute transparently to the operating system, drivers and applications. Video Graphics Array (VGA) is a computer display standard first marketed in 1987 by IBM. VGA belongs to a family of earlier IBM video standards and largely remains backward compatible with them. ... The Sound Blaster family of sound cards was for many years the de facto standard for audio on the IBM PC compatible system platform, before PC audio became commoditized, and backward-compatibility became less of a feature. ... Phoenix AwardBIOS on a standard PC BIOS, in computing, stands for Basic Input/Output System or Basic Integrated Operating System. ... System Management Mode (SMM) is a mode of Intel x86 microprocessor in which all normal execution (including the operating system) is suspended, and special separate software (usually firmware or a hardware-assisted debugger) is executed in high-privilege mode. ...


Media GXm

There was a Media GXm processor with MMX enhances instruction set. MMX is a SIMD instruction set designed by Intel, introduced in 1997 in their Pentium MMX microprocessors. ...

  • Manufacturing process: 0.35 micrometre 4-layer metal CMOS process
  • Core speed: 180..300 MHz
  • Bus speed: 33 MHz
  • Cache: L1 cache size 16 KB write-back 4-way set associative unified I/D cache
  • Integrated peripherals:
    • PCI controller
    • Display controller and 2D Graphics accelerator
    • 16-bit audio subsystem
    • 64-bit synchronous DRAM controller
  • V core: 2.9V
  • V I/O: 3.3V
  • Package: 320-pin Ceramic PGA; 352-ball BGA

National Semicoductor offered this processor under the name Geode GXM. The Geode is the brand given to series of x86-compatible microprocessors produced by AMD which it targets at the embedded computing market. ...


See also

Cyrix corporate logo Cyrix was a CPU manufacturer that began in 1988 as a specialist supplier of high-performance math co-processors for 286 and 386 systems. ... Released in August 1995, four months before the more famous Cyrix 6x86, the Cyrix Cx5x86 was the fastest CPU ever produced for Socket 3 computer systems. ... Categories: Electronics companies of the United States | Companies based in California | Corporation stubs ... The Geode is the brand given to series of x86-compatible microprocessors produced by AMD which it targets at the embedded computing market. ... Advanced Micro Devices, Inc. ...

External links

  • GXM Product Folder at National Semiconductor
  • AMD Geode Solutions
  • Cyrix MediaGX and National Semiconductor Geode Information
  • Cyrix MediaGX
  • Cyrix

  Results from FactBites:
 
Cyrix - Wikipedia, the free encyclopedia (1868 words)
In 1996 Cyrix released the MediaGX CPU, which integrated all of the major discrete components of a PC, including sound and video, onto one chip.
This led to further MediaGX sales to Packard Bell and also seemed to give Cyrix legitimacy, as 6x86 sales to Packard Bell and eMachines quickly followed.
The merger also resulted in a change of emphasis: National Semiconductor's priority was single-chip budget devices like the MediaGX, rather than higher performance chips like the 6x86 and MII, a revised 6x86 intended to compete more directly with Intel's Pentium II.
The PC Technology Guide (448 words)
The MediaGX architecture integrates the graphics and audio functions, the PCI interface and the memory controller into the processor unit, thereby eliminating potential system conflicts and end-user configuration problems.
The MediaGX processor is a x86-compatible processor which directly interfaces to a PCI bus and EDO DRAM memory over a dedicated 64-bit data bus.
It bridges the MediaGX processor over the PCI bus to the ISA bus and interfaces to the IDE and I/O ports and also performs traditional chipset functions.
  More results at FactBites »

 
 

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