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Topic: Cyrix Cx5x86

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	Cyrix - Open Encyclopedia (Site not responding. Last check: 2007-10-22)
		Cyrix would later release the Cyrix 486SRX2 and 486DRX2, which were essentially clock-doubled versions of the SLC and DLC, marketed to exclusively to consumers as 386-to-486 upgrades.
		Later in 1995 Cyrix released its best-known chip, the 6x86, which was the first Cyrix CPU to exceed the performance of the Intel chip it was intended to compete against.
		Cyrix, whose product had been considered a performance product in 1996, had fallen to the mid-range, then the entry level, and to the fringe of the entry level and was in danger of completely losing its market.
	open-encyclopedia.com /Cyrix (1747 words)

	Cyrix - Wikipedia, the free encyclopedia
		Cyrix founder Jerry Rogers aggressively recruited engineers and pushed them, eventually assembling a small but efficient design team of 30 people.
		Cyrix had always been a fabless company: Cyrix designed and sold their own chips, but contracted the actual semiconductor-manufacturing to an outside foundry.
		By the time National Semiconductor sold Cyrix to VIA Technologies, the design team was no more and the market for the MII had disappeared.
	en.wikipedia.org /wiki/Cyrix (1863 words)

	Cyrix -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		Later in 1995 Cyrix released its best-known chip, the (Click link for more info and facts about 6x86) 6x86, which was the first Cyrix CPU to exceed the performance of the Intel chip it was intended to compete against.
		Initially Cyrix tried to charge a premium for its extra performance, but the 6x86's math coprocessor was not as fast as that in the Intel (Click link for more info and facts about Pentium) Pentium.
		Cyrix had always been a (Click link for more info and facts about fabless) fabless manufacturer: in other words, they designed and sold their own chips, but farmed the actual manufacture out to outside contractors.
	www.absoluteastronomy.com /encyclopedia/C/Cy/Cyrix.htm (1901 words)

	Cyrix Cx5x86: Definition and Links by Encyclopedian.com - All about Cyrix Cx5x86
		With better performance in most applications than an Intel Pentium processor at 75 MHz, the Cyrix Cx5x86 filled a gap by providing a medium-performance processor option for aging 486 Socket 3 motherboards (which are incapable of handling Intel's Pentium CPUs, apart from the Pentium Overdrive).
		The processor was based on a scaled-down version of the "M1" core used in the Cyrix 6x86, which provided 80% of the performance for a 50% decrease in transistors over the 6x86 design.
		The similarly-named IBM 5x86 was a licenced rebranding of the Cyrix design (IBM physically produced Cyrix's CPUs for them), marketed separately but identical for practical purposes, apart from the availability of a 75mhz edition which Cyrix did not bring to market, and slight differences in voltage requirements.
	www.encyclopedian.com /cy/Cyrix-Cx5x86.html (380 words)

	Cyrix (Site not responding. Last check: 2007-10-22)
		Cyrix bas made its long-rumored entry into the 386/486 microprocessor...
		Cyrix is preparing to announce this fall its first 486DX-compatible...
		Cyrix, Intel wage war over chips It may not be the Hatfields and the McCoys, but Cyrix and Intel are engaged in a feud -- over math co-processors.
	hallencyclopedia.com /Cyrix (2056 words)

	cyrix
		Cyrix founder Jerry Rogers was a hard-driving leader who head-hunted the best engineers in the USA and pushed them mercilessly.
		Cyrix parts gradually fell further and further away from the performance mark, and their natural application shrank: to the mid-range, to the entry-level, and eventually to nothing at all.
		Cyrix was left to stagger along for several months longer: bereft of direction, with morale at an all-time low, and losing their best engineers one by one.
	www.fact-library.com /cyrix.html (1208 words)

	Cyrix 6x86 - Encyclopedia Glossary Meaning Explanation Cyrix 6x86 (Site not responding. Last check: 2007-10-22)
		thumb The Cyrix 6x86 is a sixth-generation, 32-bit 80x86-compatible microprocessor designed by Cyrix and manufactured by IBM and SGS-Thomson.
		The 6x86L was later released by Cyrix to address heat issues; the L standing for low-power.
		A later release of the 6x86, the 6x86MX, added MMX compatibility and quadrupled the primary cache size to 64 kilobytes.
	www.encyclopedia-glossary.com /en/Cyrix-6x86.html (339 words)

	Cyrix Cx5x86 (Site not responding. Last check: 2007-10-22)
		With better performance in mostapplications than an Intel Pentium processorat 75 MHz, the Cyrix Cx5x86 filled a gap by providing a medium-performanceprocessor option for aging 486 Socket 3 motherboards (which are incapable of handling Intel's Pentium CPUs,apart from the Pentium Overdrive).
		The similarly-named SGS-Thomson ST5x86 and IBM IBM5x86C were licenced rebrandings of the Cyrix design (IBM and ST physically produced Cyrix's CPUs for them),marketed separately but identical for practical purposes, apart from the availability of a 75mhz edition which Cyrix did notbring to market, and slight differences in voltage requirements.
		The Cyrix 5x86 design, however, should not be confused with thesimilarly-named AMD Am5x86 which was essentially a fast 486 (not an all-new designlike the Cyrix part) but which had broadly similar performance, used the same Socket 3, and was introduced at the end of the sameyear.
	www.therfcc.org /cyrix-cx5x86-363035.html (354 words)

	Cyrix Cx486DLC Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-22)
		The Cyrix Cx486DLC was an early 486 CPU from Cyrix, intended to compete with the Intel 486SX and DX.
		Introduced in June 1992, like the later and more famous Cyrix Cx5x86 it was a hybrid CPU, incorporating features of a new CPU (in this case the Intel 80486) while plugging into its predecessor's socket.
		As prices on Intel's 486 line fell, Cyrix found it more and more difficult for its 486SLC and DLC CPUs to compete and had to release a fully pin-compatible version of the 486SX and DX in 1993.
	www.karr.net /search/encyclopedia/Cyrix_Cx486DLC (570 words)

	php-deluxe.net - description: Cyrix
		In 1995, with its Pentium clone not yet ready to ship, Cyrix repeated its own history and released the Cyrix+Cx5x86, which plugged into a 486 socket, ran at 100, 120 or 133 MHz, and yielded performance comparable to that of a Pentium running at 75 MHz.
		Cyrix had always been a Fabless+semiconductor+company manufacturer: in other words, they designed and sold their own chips, but farmed the actual manufacture out to outside contractors.
		Both firms gained out of this: Cyrix could carry on having their CPUs made by Texas Instruments, STMicroelectronics, or IBM (as it happened, all holders of Intel cross-licenses); Intel avoided a potentially embarrassing loss.
	www.php-deluxe.net /wiwimod,index.page,Cyrix.htm (1789 words)

	amd am5x86 (Site not responding. Last check: 2007-10-22)
		The combination of best-in-class clock speed and the write-back cache allowed the 5x86 to equal or slightly surpass an Intel Pentium 75 MHz processor in business application performance.
		Also, because it was based on a pure 486 design, it was compatible with older systems, something its slightly faster rival, the Cyrix Cx5x86, had trouble with.
		The CPU was commonly overclocked to 160 MHz, thereby giving performance similar to that of a Pentium 100 system.
	www.yourencyclopedia.net /AMD_Am5x86.html (553 words)

	CHIPLIST 9.9.5 by Aad Offerman, 1998/07/26 (Site not responding. Last check: 2007-10-22)
		In fact a Cyrix Cx486DLC CPU with some additional hardware on a little PCB that fits in a PGA (Pin Grid Array).
		Cyrix FasCache Cx486DX/Cx486DX2 CPU FP bug: when a register load instruction is followed by an instruction that clears the FP status register (FCLEX), and the memory location being referenced is not in the CPU's internal cache, the external memory bus cycle is aborted by the FCLEX instruction and the register is not loaded properly.
		Cyrix FasCache Cx486DX4 CPU with Texas Instruments TI486DX2 CPU pin layout.
	www.pfmb.uni-mb.si /marjan/burks1/pcinfo/hardware/chiplist.htm (5245 words)

	Science Fair Projects - 486SLC
		The Cyrix Cx486SLC was Cyrix's first CPU offering, released after years of selling coprocessors that competed with Intel's units and offered better performance at a comparable or lower price.
		The similarly named IBM 486SLC chips were not related to the Cyrix design, however.
		Introduced in May 1992, like the later and more famous Cyrix Cx5x86 it was a hybrid CPU, incorporating features of a new CPU (in this case the Intel 80486) while plugging into its predecessor's socket.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/486SLC (418 words)

	Current x86 Processors
		The fastest processors that we can put into a 486 motherboard is the Cyrix 5x86/120MHz and the AMD 5x86/160MHz processors.
		This time Cyrix focused all its effort to develop the 5x86 (M1sc) and 6x86 (M1) processors.
		This processor was designed by Cyrix to provide a cheap alternative instead of Intel's i486DX processor.
	alag3.mfa.kfki.hu /dcsabas/hardware/x86.htm (3073 words)

	Business Software Review : Article 'Cyrix 6x86' (Site not responding. Last check: 2007-10-22)
		Cyrix_6x86L-PR200plusGP_top.jpg A Cyrix 6x86 Processor The Cyrix 6x86 is a sixth-generation, 32-bit 80x86-compatible microprocessor designed by Cyrix and manufactured by IBM and SGS-Thomson.
		They all ran on the 66 MHz FSB, which was not a particular issue with the 300, but became a major limitation with the faster-clocked parts, and Mendocino Celerons from about 433MHz upwards were adequate rather than good.
		Merger with National Semiconductor In August 1997, while the litigation was still in progress, Cyrix merged with National Semiconductor (who also already held an Intel cross-license).
	www.business-software-review.org /DisplayArticle37077.html (1208 words)

	Cyrix Cx5x86 Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-22)
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	www.karr.net /encyclopedia/Cyrix_Cx5x86 (552 words)

	x86 CPU Reference (part 1)
		In early 1990s Cyrix Corp. (from Richardson, TX) entered the microprocessor market with both proprietarly-designed 386-class CPU core and microcode.
		Cyrix's 386 CPUs were marketed as "486", but in fact they were just enhanced with the 486 command set and the little built-in cache.
		Since Cyrix had no manufacturing facilities of its own, so all processors were produced on semiconductor factories of Texas Instruments and SGS-Thomson.
	www.alasir.com /x86ref (2067 words)

	CHIPLIST 9.9.5 by Aad Offerman, 1998/07/26:
		The Cyrix FasMath Cx387+ NPX (European name for Cyrix FasMath Cx83D87 NPX from November 1991) causes no trouble when co-operating with a bad Cyrix Cx486DLC CPU.
		The original CPU is disabled by using the FLOAT pin.
		Older 16 MHz 80386SX CPUs can not be upgraded (Cyrix can supply a compatibility test program).
	www.pact.sscc.ru /hardware/microprocessor/chiplist/chiplist.long.html (5245 words)

	Personal Computer CHIPLIST 9.9.4 part 4 of 5 - faqs.org.ru
		Due to the first chips' sensitivity for reflections on the busses, Microsoft decided to turn off the primary cache for Window NT 4.0 for pre revision 2.7 chips.
		Cyrix 6x86 CPU: 3.3 V (C016) or 3.52 V (C028) core, or voltage switching supporting both, 5 V tolerant I/O, from revision 2.7 less power consumption.
		2.8 V, 3.3 V I/O. Both Intel MMX processors and the Cyrix 6x86MX CPU use the FPU for the MMX implementation, resulting in tens of stall cycles while switching between integer, FPU, and MMX code.
	faqs.org.ru /en/hardware/pc-hardware-faq/chiplist/part4.htm (3185 words)

	IBM5x86C . Cyrix . Cyrix Cx5x86 . Central processing unit (Site not responding. Last check: 2007-10-22)
		International Business Machines IBM-branded and produced version of the Cyrix-designed Cyrix Cx5x86 Central processing unit CPU.
		Because the 6x86 was more efficient on an instruction-per-instruction basis than Intel s Pentium, and because Cyrix sometimes used a faster bus speed than either Intel or AMD, Cyrix and competitor AMD...
		Released in August 1995, four months before the more famous Cyrix 6x86, the Cyrix Cx5x86 was the fastest Central processing unit CPU ever produced for Socket 3 computer systems.
	www.uk.fraquisanto.net /IBM5x86C (242 words)

	operatingsystem.ca - Cyrix (Site not responding. Last check: 2007-10-22)
		Here are some other items you may be interested in.
		Let NexTag.com help you cool your PC with great prices on Cyrix fans.
		Electronic Components Company is an independent stocking distributor/B2B wholesaler of circuit board level components by Cyrix.
	www.operatingsystem.ca /Cyrix/reference/search (171 words)

	Personal Computer CHIPLIST 9.9.5 part 4 of 5
		2.45.1 Cyrix Cx5x86 CPU Primary cache: 16 kbyte unified, write-back, 4-way set-associative.
		Cyrix 6x86L CPU (low power): 2.8 V core, 3.3 V I/O. (Cyrix 6x86L-PR120+ CPU).
		Dual voltage: 2.8 V core, 3.3 V I/O. (Cyrix 6x86MX-PR266 CPU): March 1998, 2.9 V core, 3.3 V I/O. (Cyrix 6x86MX-PR300 CPU): April 1998, 0.25 micron IBM CMOS.
	www.cs.uu.nl /wais/html/na-dir/pc-hardware-faq/chiplist/part4.html (5085 words)

	Cyrix Cx5x86 (Site not responding. Last check: 2007-10-22)
		Lanzado en agosto de 1995, cuatro meses antes del Cyrix más famoso 6x86, el Cyrix Cx5x86 era la CPU más rápida producida siempre para los sistemas informáticos del conector hembra 3.
		Interesante, algunas características funcionamiento-que realzaban de la CPU eran intencionalmente inhabilitado debido a los insectos potentionally estabilidad-amenazadores que no eran fijos antes de tiempo del lanzamiento (estas características se pueden permitir con utilidades de software libre-freely-downloadable; ver abajo).
		El diseño de Cyrix 5x86, sin embargo, no se debe confundir con el AMD similar-nombrado Am5x86 que era esencialmente 486 rápidos (no un diseño completamente nuevo como la pieza de Cyrix) pero que tenían ampliamente funcionamiento similar, utilizado el mismo conector hembra 3, y fue introducido en el final del mismo año.
	www.yotor.net /wiki/es/cy/Cyrix%20Cx5x86.htm (338 words)

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