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Topic: AMD 5x86


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In the News (Thu 10 Dec 09)

  
  Cyrix 5x86 family
Cyrix 5x86 (M1sc) is a 32-bit microprocessor compatible with Intel 80486.
Produced in the same package as the 80486, the 5x86 included many features from M1 (Cyrix 6x86) architecture - 64-bit internal architecture, branch prediction, data forwarding and 16 KB write-back cache.
Unlike the 5th generation x86 processors, the Cyrix 5x86 was not a superscalar processor, but it could execute integer and floating point instructions in parallel.
www.cpu-world.com /CPUs/5x86   (133 words)

  
  AMD 5x86 - Wikipedia, the free encyclopedia
The AMD 5x86 processor is an x86-compatible CPU introduced in 1995 by AMD for use in 486-class computer systems.
Introduced in November 1995, the AMD 5x86 (also known as 5x86-133, Am5x86, X5-133, and sold under various 3rd-party labels such as "Turbochip") is a standard 486 processor with an internally-set multiplier of 4, allowing it to run at 133 MHz on systems without official support for clock-multiplied DX2 or DX4 486 processors.
The 5x86 is also notable for the first-ever use of the controversial PR rating.
en.wikipedia.org /wiki/AMD_5x86   (551 words)

  
 AMD 5x86 : AMD Am5x86   (Site not responding. Last check: )
The AMD 5x86 processor is an x86-compatible processor produced in the 1990s by AMD for use in 486-class computer systems.
Introduced in November 1995, the AMD 5x86 (also known as 5x86-133, Am5x86, X5-133, and sold under various 3rd-party labels such as "Turbochip") is a standard 486 processor with an internal multiplier of 4, allowing it to run at 133 MHz on systems without official support for clock-multiplied DX2 or DX4 486 processors.
Because the 5x86 was the equal of a Pentium 75 MHz processor in benchmarks, AMD later marketed the chip as "AMD X5-PR75".
www.termsdefined.net /am/amd-am5x86.html   (525 words)

  
 Encyclopedia: AMD 5x86   (Site not responding. Last check: )
The PR rating system was developed by AMD in the mid-1990s as a method of comparing their x86 processors to those of rival Intel.
AMD K5 (5k86 / SSA/5) Microprocessor The K5 was developed by AMD to compete with Intels Pentium microprocessor range.
Turion 64 is AMDs 64-bit mobile processor, intended to compete with Intels Pentium M. It is compatible with AMDs Socket 754 and is equipped with 512 or 1024 KB of L2 cache, a 64-bit single channel on-die memory controller, and an 800MHz HyperTransport bus.
www.nationmaster.com /encyclopedia/AMD-5x86   (1571 words)

  
 Talk:AMD 5x86 - Wikipedia, the free encyclopedia
The common Cyrix 486DX chips were all write-back (only the older DLC was write-through), one of the two AMD DX/4s was write-back, and the later Intel DX/4 had 16k write-back.
I had a few systems running these as recently as the turn of the century, they were as good as AMD said they were.
VIA's C3 has had a reasonable slice of the CPU market share in Asia, but is largely unheard of and unavailable elsewhere.
en.wikipedia.org /wiki/Talk:AMD_5x86   (244 words)

  
 5x86 and the Media GX   (Site not responding. Last check: )
The AMD5x86 is the chip that put AMD onto the map as official Intel competition.
AMD saw an opening here, and the AM5x86 was designed to offer Pentium-class performance while operating on a standard 486 motherboard..
The 5x86 is unique as the fastest 486 made, but it is relevant only in the pages of the history book now.
www.pcmech.com /show/amd/4   (527 words)

  
 AMD 5x86 (80486DX5)   (Site not responding. Last check: )
AMD took clock multiplying one increment further with what it calls the "5x86" chip.
Despite the implication that it is a fifth-generation chip, it is not--it is a high speed, clock-quadrupled 486 processor, that runs in 486 motherboards.
The AMD 5x86 was made available in one speed only, 133 MHz, for use in 33 MHz motherboards.
www.coutoscorp.com.br /x86/desc/5x86.php   (447 words)

  
 sandpile.org -- IA-32 architecture -- CPUID
The AMD K6 processor, model 6, uses bit 10 to indicate SEP. Beginning with model 7, bit 11 is used instead.
AMD K7 processors prior to CPUID=0662h may report 0 even if they are MP-capable.
AMD K7 processors with CPUID=0630h (Duron) inadvertently report 1 KB instead of 64 KB.
www.sandpile.org /ia32/cpuid.htm   (2314 words)

  
 CPU Guide: modern classics
This was just as well for AMD, because their fifth-generation K5 chip was still a long, long way from ready, while Cyrix and Intel were well out in front, and getting further ahead all the time.
Their 486-based parts were still selling well, particularly the 5x86 (which was really a 486DX-133, of course) but they were selling into the value end of the market where margins are always thin, and thinner than ever now that there was IBM and Cyrix to compete with too.
AMD stopped design work on their own K5 successor, which was behind schedule, and switched to a revised version of NexGen's follow-on Nx686 design.
www.redhill.net.au /c/c-6.html   (3124 words)

  
 Am5x86®
AMD's state-of-the-art 0.35-micron process technology enables AMD to deliver superior value with the Am5x86 processor.
AMD has a long history of supplying x86-compatible processors, having supplied over 75 million PC processors to date.
AMD's increased manufacturing capability gives PC makers high volumes and excellent availability of the Am5x86 CPU starting in the first quarter of 1996.
www.amd.com /us-en/Processors/ProductInformation/0,,30_118_1260_1268,00.html   (475 words)

  
 Station Information - AMD 5x86
Like most of the later 486 parts, the 5x86 featured write-back L1 cache, and unlike all but a few, a generous 16kilobytes rather than the more common 8k.
A rare 150 MHz-rated part may've also been released by AMD.
It was popular for entry-level desktop systems, apeared in many different notebook models, and also sold separately as an upgrade processor for older 486 systems.
www.stationinformation.com /encyclopedia/a/am/amd_5x86.html   (511 words)

  
 AMD 5x86 - Definition up Erdmond.Com
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.
Although it has been reported that individuals have successfully run the chip at 200 MHz, this would seldom have been achievable due to the rarity of video_cards that could cope with a 50 MHz system bus on a VESA system.
Sales of the Am5x86 were an important source of revenue for AMD at a time when lengthy delays in bringing the AMD_K5 to production were threatening the company's profitability.
www.erdmond.com /AMD_5x86.html   (525 words)

  
 Processor Upgrading FAQ: Socket Upgrades
Cyrix's DX2, DX4, and 5x86 are 3.3v or 3.45v.
AMD K5 One of the best upgrades for a Socket 4 systems is to change both the motherboard and processor.
AMD K5 The AMD K5 chip may function in socket 5 motherboards without the use of an adapter, but the K5 processor gives off a great deal of heat which the socket may not be able to deal with effectively.
users.rcn.com /chare/cpu_sock.htm   (5647 words)

  
 Processor Upgrading FAQ: Processor Upgrades
Upgrading with the AMD Athlon 64 and Athlon 64 FX (Clawhammer/Sledgehammer/Newcastle/Winchester/Venice/Manchester/Toledo/San Diego) and Sempron (Paris/Palermo).
Firstly, AMD does not consider the 5x86-133 P-75 to be an 'upgrade' processor unless it is sold as an upgrade using the 208-pin SQFP version of the chip and is bundled with a voltage adapter, heatsink, and fan by a third party adapter vendor.
AMD provides a list of motherboards that are known to be compatible with the 5x86-133, although some may require a BIOS upgrade.
users.rcn.com /chare/cpu_proc.htm   (18111 words)

  
 AMD 5x86 (80486DX5)
AMD took clock multiplying one increment further with what it calls the "5x86" chip.
The AMD 5x86 was made available in one speed only, 133 MHz, for use in 33 MHz motherboards.
Note that this is not the case with Cyrix's 5x86 chip, which is quite different.
www.pcguide.com /ref/cpu/fam/g4A5x86-c.html   (568 words)

  
 AMD 5xx86   (Site not responding. Last check: )
This office will contact the embassy or consulate in the AMD 5xx86 where you are traveling and pass a message from your family to you.
To be certain your line lengths are correct, count characters and use a AMD 5xx86- width typeface, such as Courier.
Misspellings, typos, and versions include: md 5x86, ad 5x86, am 5x86, amd5x86, amd x86, amd 586, amd 5x6, amd 5x8, mad 5x86, adm 5x86, am d5x86, amd5 x86, amd x586, amd 58x6, amd 5x68, amd 5x8, aamd 5x86, ammd 5x86, amdd 5x86, amd 5x86, amd 55x86, amd 5xx86, amd 5x886, amd 5x866,
amd-5x86.ask.dyndns.dk /AMD-5xx86   (747 words)

  
 SGI TPL View (BogoMips)
This affects the BogoMips rating for all Intel and AMD Pentium variations, resulting in approximately 2*clock, where these were not 2*clock.
AMD 5x86, also denoted as AMD 486DX5, are quadrupled 486/33 machines.
The AMD K5 and the K6 are Pentium-like CPUs, with their own BogoMips multipliers.
techpubs.sgi.com /tpl.cgi/view/linux/HOWTO/BogoMips   (1746 words)

  
 Mac DOS card 586 Upgrade Q&A   (Site not responding. Last check: )
The Cyrix 5x86 and the AMD 5x86 are generally considered the fastest upgrades for the older 168/169 CPU LIF socket, the type in the DOS card, since that socket cannot take the standard Pentium chips.
The Cyrix 5x86 supports both write-back (WB) and write-through (WT) caching for its L1 cache (not to be confused with the L2 cache which the DOS card does not have).
Remember, it's the 5x86 from AMD that is a totally different chip.
www.ph.utexas.edu /~tai/586upgradefaq.html   (1335 words)

  
 Re: [ale] AMD 5X86 chips...   (Site not responding. Last check: )
Now, AMD is also making a AMD-K5 chip - aka AMD5k86 (note the k versus the x).
ANOTHER CPU to take a look at is the Cyrix 5x86 which IS a 5th generation chip.
I know that the 5x86 100mhz chip (in my laptop) about the speed of a intel p-75.
www.ale.org /archive/ale/ale-1996-05/msg00034.html   (237 words)

  
 AMD 486, AMD 5x86 cpu. Price and availability
All AMD CPUs are OEM versions except when it says Retail.
The OEM version is the same CPU as the Retail version but it does not come in the manufacturer's box and has only a twenty day warranty unless it says otherwise.
If we don't have the AMD 486 / 586 processor that you need, e-mail us and we will try to get it for you.
www.baber.com /cpu/amd_486_cpu.htm   (127 words)

  
 cpu-collection.de >> AMD >> 5x86
Introduced in November 1995, the AMD 5x86 is a standard 486 processor with an internally-set multiplier of 4, allowing it to run at 133 MHz on systems without official support for clock-multiplied DX2 or DX4 486 processors.
Since having a clock multiplier of four was not part of the original Socket 3 design, AMD made the 5x86 look for a two times setting from the motherboard and interpret that as four times instead.
Also, because it was based on a pure 486 design, it was compatible with older systems, something its slightly faster rival, the Cyrix 5x86, had trouble with.
www.cpu-collection.de /?l0=co&l1=AMD&l2=5x86   (433 words)

  
 The frequently asked questions about BogoMips
This affects the BogoMips rating for all Intel and AMD Pentium variations, resulting in approximately 2*clock, if they were not 2*clock already.
AMD 5x86, also denoted as AMD 486DX5, are quadrupled 486/33 machines.
The AMD K5 and the K6 are Pentium-like CPUs, with their own BogoMips multipliers.
osdir.com /LDP/HOWTO/BogoMips/bogo-faq.html   (1478 words)

  
 AMD K6 - Enpsychlopedia   (Site not responding. Last check: )
The AMD K6 is a Pentium-class microprocessor, manufactured by AMD, which superseded the K5.
The AMD K6 is based on the Nx686 microprocessor that NexGen was designing when it was acquired by AMD.
With the buyout of NexGen, AMD was able to come back into the game with a processor that could perform one on one with the Pentium II line from Intel.
psychcentral.com /wiki/AMD_K6   (487 words)

  
 Linux Kernel Mailing List -- Re: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
I have an AMD 5x86, not > a K5.
The *correct* name for your processor is 'Am5x86', though, which is a trademark of AMD, by the way.
Previous by thread: Re: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
www.spinics.net /lists/kernel/old/2000-q4/msg10038.html   (228 words)

  
 AMD 5x86 - 133 CPU Upgrade Info
AMD has put a lot of information about the Am5x86 on their web-site which I will not repeat here.
If this pin is left floating (or connected to +3.3V), both the DX4 and the 5x86 will operate in the clock-tripled mode.
As the Intel 486 Pentium Overdrive (P24T), the Intel WB Enhanced 486DX2 (P24D), the AMD Enhanced Am486 Microprocessor Family, and the Cyrix Cx486DX(2) (M6/M7) are the only other 486 CPUs with WB support, you need a chipset with support for one of these CPUs to have any chance on WB support.
web.inter.nl.net /hcc/J.Steunebrink/amd5x86.htm   (2717 words)

  
 Linux Kernel Mailing List -- Re: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
If they're like Pentiums, perhaps > "486/AMD 5x86" and "586/non-AMD 5x86/6x86/6x86MX"...?) If I recall correctly: Am5x86 == AMD X5 == a very fast 486 processor with a big WB cache Cx5x86 == IBM 5x86 == a slow Pentium-like processor in a 486 socket So yes, for the AMD 5x86 you have to select '486'.
Previous by thread: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
Next by thread: Re: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
www.spinics.net /lists/kernel/old/2000-q4/msg07819.html   (378 words)

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