You do not have permission to edit this page, for the following reasons:

This IP address has been blocked from editing Wikipedia.
This does not affect your ability to read Wikipedia pages.
Most people who see this message have done nothing wrong. Some kinds of blocks restrict editing from specific service providers or telecom companies in response to recent abuse or vandalism, and can sometimes affect other users who are unrelated to that abuse. Review the information below for assistance if you do not believe that you have done anything wrong.

The IP address or range 52.91.0.0/16 has been blocked (disabled) by ‪JJMC89‬ for the following reason(s):

The IP address that you are currently using has been blocked because it is believed to be a web host provider or colocation provider. To prevent abuse, web hosts and colocation providers may be blocked from editing Wikipedia.
You will not be able to edit Wikipedia using a web host or colocation provider because it hides your IP address, much like a proxy or VPN.
We recommend that you attempt to use another connection to edit. For example, if you use a proxy or VPN to connect to the internet, turn it off when editing Wikipedia. If you edit using a mobile connection, try using a Wi-Fi connection, and vice versa. If you are using a corporate internet connection, switch to a different Wi-Fi network. If you have a Wikipedia account, please log in.
If you do not have any other way to edit Wikipedia, you will need to request an IP block exemption.

How to appeal if you are confident that your connection does not use a colocation provider's IP address:
If you are confident that you are not using a web host, you may appeal this block by adding the following text on your talk page: ((unblock|reason=Caught by a colocation web host block but this host or IP is not a web host. My IP address is _______. Place any further information here. ~~~~)). You must fill in the blank with your IP address for this block to be investigated. Your IP address can be determined here. Alternatively, if you wish to keep your IP address private you can use the unblock ticket request system. There are several reasons you might be editing using the IP address of a web host or colocation provider (such as if you are using VPN software or a business network); please use this method of appeal only if you think your IP address is in fact not a web host or colocation provider.

Administrators: The IP block exemption user right should only be applied to allow users to edit using web host in exceptional circumstances, and requests should usually be directed to the functionaries team via email. If you intend to give the IPBE user right, a CheckUser needs to take a look at the account. This can be requested most easily at SPI Quick Checkuser Requests. Unblocking an IP or IP range with this template is highly discouraged without at least contacting the blocking administrator.

This block will expire on 05:26, 2 September 2024.

Even when blocked, you will usually still be able to edit your user talk page, as well as email administrators and other editors.

For information on how to proceed, please read the FAQ for blocked users and the guideline on block appeals. The guide to appealing blocks may also be helpful.

Other useful links: Blocking policy · Help:I have been blocked
Your IP address is in a range that has been blocked on all Wikimedia Foundation wikis. The block was made by ‪Jon Kolbert‬. The reason given is Open proxy/Webhost: See the help page if you are affected .
- Start of block: 04:57, 27 November 2021
- Expiry of block: 04:57, 27 November 2024
Your current IP address is 52.91.194.66. The blocked range is 52.91.0.0/16. Please include all above details in any queries you make. If you believe you were blocked by mistake, you can find additional information and instructions in the No open proxies global policy. Otherwise, to discuss the block please post a request for review on Meta-Wiki. You could also send an email to the stewards VRT queue at stewards@wikimedia.org including all above details.

You can view and copy the source of this page:

((refimprove|date=December 2010))
((short description|CPU by AMD))
((Infobox CPU
| name        = K6-2
| image       = AMD K6-II Processor Logo.svg
| produced-start = May 28, 1998
| produced-end = End of 2003<ref>[https://www.theregister.co.uk/2001/08/15/amd_to_kill_k6_k6ii/ AMD to kill K6, K6-II, K6-III]</ref>
| slowest     = 200  | slow-unit     = MHz
| fastest     = 570  | fast-unit     = MHz
| fsb-slowest = 66   | fsb-slow-unit = MHz
| fsb-fastest = 100  | fsb-fast-unit = MHz
| manuf1      = [[Advanced Micro Devices|AMD]]
| core1       = Chomper
| core2       = Chomper Extended
| size-from   = 250 nm
| arch        = 
| microarch   = K6
| predecessor = [[AMD K6|K6]]
| successor   = [[AMD K6-III|K6-III]], [[Duron]]
| sock1       = [[Socket 7]] 
| sock2       = [[Super Socket 7]] 
| numcores    = 1
| extensions  =[[MMX (instruction set)|MMX]]|extensions2=[[3DNow!]]|instructions=[[x86]]))

[[File:AMD K6-2 266 MHz (16498137495).jpg|thumbnail|AMD K6-2 266 MHz]]
The '''K6-2''' is an [[x86]] [[microprocessor]] introduced by [[Advanced Micro Devices|AMD]] on May 28, 1998,<ref>((Cite web|title=AMD Introduces AMD-K6-2 Processor with New 3DNow! Technology |publisher=Advanced Micro Devices |date=1998-05-28 |url=https://www.amd.com/us/press-releases/Pages/Press_Release_894.aspx |archiveurl=https://web.archive.org/web/20140202135928/http://www.amd.com/us/press-releases/Pages/Press_Release_894.aspx |archivedate=2014-02-02 |url-status=live ))</ref> and available in speeds ranging from 266 to 550 [[Megahertz|MHz]]. An enhancement of the original K6, the K6-2 introduced AMD's [[3DNow!]] SIMD instruction set and an upgraded system-bus interface called [[Super Socket 7]], which was backward compatible with older [[Socket 7]] [[motherboard]]s. It was manufactured using a 250 nanometer process, ran at 2.2 [[volt]]s, and had 9.3 million [[transistor]]s.

==History==
[[Image:Amdk62 arch.svg|300px|thumb|The AMD K6-2 architecture.]]
[[File:AMD@250nm@K6@Model8(chomper xt) - (cpuid58C)@AMD-K6-2 500AFX@2.2V CORE A 0023BPDW 1998 AMD DSCx8 polysilicon@5x.jpg|thumb|Die shot of an AMD K6-2 500AFX processor]]
The K6-2 was designed as a competitor to [[Intel|Intel's]] flagship processor, the significantly more expensive [[Pentium II]]. Performance of the two chips was similar: the previous K6 tended to be faster for general-purpose computing, while the Intel part was faster in x87 floating-point applications. To battle the Pentium II's dominance on floating point calculations the K6-2 was the first CPU to introduce a floating point [[SIMD]] instruction set (dubbed [[3DNow!]] by AMD), which significantly boosted performance. However programs needed to be specifically tailored for the new instructions and despite beating Intel's [[Streaming SIMD Extensions|SSE]] instruction set to market, 3DNow achieved only limited popularity.

Super Socket 7, which increased the processor bus from 66&nbsp;MHz to 100&nbsp;MHz, allowed the K6-2 to withstand the effects of ever-increasing CPU multipliers fairly gracefully and in later life it remained surprisingly competitive. Nearly all K6-2s were designed to use 100&nbsp;MHz [[Super Socket 7]] mainboards, allowing the system-bus to keep pace with the K6-2's clock-frequency.

The K6-2 was a very financially successful chip and enabled AMD to earn the revenue it would need to introduce the forthcoming [[Athlon]].  The introductory K6-2 300 was by far the best-selling variant. It rapidly established an excellent reputation in the marketplace and offered a favorable price/performance ratio versus Intel's [[Celeron]] 300A. While the K6-2 had mediocre floating-point performance compared to the Celeron, it offered faster system RAM access (courtesy of the Super 7 mainboard), as well as 3DNow graphics extensions.

As the market moved on, AMD released a long series of faster K6-2 parts, the best-selling ones being the 350, 400, 450, and 500. By the time the 450 and the 500 were mainstream parts, the K6-2 family had already moved to the budget PC segment, where it still competed successfully against Intel's Celeron.

==K6-2+==
Despite the name, the little-known K6-2+ was based on the AMD K6-III+ design (model 13) with 128&nbsp;KiB of integrated [[L2 cache]] and built on a 0.18 [[micrometre]] process (essentially a [[AMD K6|K6-III+]] with half the L2 cache). The K6-2+ was specifically designed as a low-power mobile CPU. Some motherboard companies such as Gigabyte and FIC provided BIOS updates for their desktop motherboards to allow for usage of these processors; for other officially not supported mainboards, the community created [[Unofficial patch|unofficial BIOS updates]] on their own.<ref>((cite web |url=http://www.ryston.cz/petr/bios/ |title=Award BIOS Modifications |last1=Soucek |first1=Petr |date=2002-07-07 |access-date=2017-07-19 |archive-date=2020-07-16 |archive-url=https://web.archive.org/web/20200716224049/http://www.ryston.cz/petr/bios/ |url-status=dead ))</ref><ref>((cite web |url=http://web.inter.nl.net/hcc/J.Steunebrink/k6plus.htm |title=The Unofficial AMD K6-2+ / K6-III+ Page |last1=Steunebrink |first1=Jan |date=2008-07-02 |access-date=2017-07-19 |archive-date=2021-02-11 |archive-url=https://web.archive.org/web/20210211064357/http://web.inter.nl.net/hcc/J.Steunebrink/k6plus.htm |url-status=dead ))</ref>

Most K6-2+ motherboards did not support a clock multiplier setting greater than 5.5 since 550&nbsp;MHz was the highest official speed of the K6-2+ (100*5.5 = 550) but a little known feature of both the K6-2 and K6-2+ was that it interpreted the motherboard clock multiplier setting 2 as 6. This allowed many users to run their K6-2+ 550&nbsp;MHz and often even a K6-2+ 500&nbsp;MHz at a speed of 600&nbsp;MHz simply by setting the motherboard clock multiplier to 2.<ref>((cite web |url=http://www.tomshardware.co.uk/600-mhz-with-socket-7,review-205-4.html |title=600 MHz with Socket 7: The AMD K6-2+ |last1=Völkel |first1=Frank |website=[[Tom's Hardware]] |date=2000-07-13 |access-date=2017-07-19 |archive-date=2018-06-17 |archive-url=https://web.archive.org/web/20180617043321/https://www.tomshardware.co.uk/600-mhz-with-socket-7,review-205-4.html |url-status=dead ))</ref>

== Features  ==
((empty section|date=March 2023))

==Models==

===K6-2 (Chomper, 250 nm)===
[[Image:AMD-K6-2 350AMZ.jpg|thumb|AMD K6-2 Microprocessor]]
[[Image:KL AMD K6-2 Chomper-XT.jpg|right|thumb|180px|AMD K6-2, ''Chomper-XT''.]]
[[Image:K6-2Bare.jpg|right|thumb|AMD-K6-2 with integrated heat spreader removed]]
* Package number: 26050
* [[CPUID]]: Family 5, Model 8, Stepping 0
* L1-Cache: 32 + 32 KiB (Data + Instructions)
* [[MMX (instruction set)|MMX]], [[3DNow!]]
* 9.3 million transistors
* [[Super Socket 7]]
* [[Front-side bus]]: 66, 100&nbsp;MHz
* VCore: 2.2V
* First release: May 28, 1998
* Manufacturing process: 250&nbsp;nm
* Clockrate: 233, 266, 300, 333, 350 & 366&nbsp;MHz

===K6-2 (Chomper Extended (CXT), 250 nm)===
* Package number: 26351
* CPUID: Family 5, Model 8, Stepping 12
* L1-Cache: 32 + 32 KiB (Data + Instructions)
* [[MMX (instruction set)|MMX]], [[3DNow!]]
* [[Super Socket 7]]
* [[Front-side bus]]: 66, 95, 97, 100&nbsp;MHz
* VCore: 2.0(mobile)/2.2/2.3/2.4V
* First release: November 16, 1998
* Manufacturing process: 250&nbsp;nm
* Clockrate: 200, 233, 266, 300, 333, 350, 366, 380, 400, 427.5, 450, 475, 500, 533 & 550&nbsp;MHz

==References==
((reflist|30em))

==Further reading==
* Khanna, R. et al. (1998). "A 0.25μm x86 microprocessor with a 100MHz Socket 7 interface". ''ISSCC Digest of Technical Papers'', pp.&nbsp;242&ndash;243.

==External links==
((Commons category|AMD K6-2))
((more footnotes|date=January 2012))
* [https://web.archive.org/web/20080224173116/http://www.amd.com/us-en/Processors/ProductInformation/0%2C%2C30_118_1260_1262%2C00.html AMD-K6-2 Processor] AMD (archived version)
* [http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=1406 Anandtech: Super7 Upgrade Guide]
* [https://web.archive.org/web/20031009032008/http://www.geek.com/procspec/amd/k63dmmx.htm Geek.com: AMD-K6-2 (K6 3D MMX)]
*  at Geek.com
* [http://www.pcguide.com/ref/cpu/fam/g6.htm Technical overview of the AMD-K6 series]
* [http://www.cpushack.com/gallery/index.php?folder=/chippics/AMD/K6-2/ Pictures of AMD-K6-2 chips at CPUShack.com] ((Webarchive|url=https://web.archive.org/web/20191208213115/http://www.cpushack.com/gallery/index.php?folder=%2Fchippics%2FAMD%2FK6-2%2F |date=2019-12-08 ))

((AMD processors))

[[Category:Computer-related introductions in 1998]]
[[Category:AMD x86 microprocessors|K06-2]]
[[Category:Superscalar microprocessors]]

Pages transcluded onto the current version of this page (help):

AMD K6-2 (edit)
Template:AMD processors (edit)
Template:Ambox (view source) (template editor protected)
Template:Cite web (view source) (protected)
Template:Commons category (view source) (template editor protected)
Template:Empty section (view source) (template editor protected)
Template:Find sources mainspace (view source) (template editor protected)
Template:Hlist (view source) (protected)
Template:Hlist/styles.css (view source) (protected)
Template:Infobox (view source) (template editor protected)
Template:Infobox CPU (view source) (semi-protected)
Template:Main other (view source) (protected)
Template:More citations needed (view source) (template editor protected)
Template:More footnotes (view source) (template editor protected)
Template:More footnotes needed (view source) (template editor protected)
Template:Navbox (view source) (template editor protected)
Template:Pagetype (view source) (protected)
Template:Plainlist/styles.css (view source) (protected)
Template:Refimprove (view source) (template editor protected)
Template:Reflist (view source) (protected)
Template:Reflist/styles.css (view source) (protected)
Template:Replace (view source) (protected)
Template:SDcat (view source) (protected)
Template:Short description (view source) (protected)
Template:Short description/lowercasecheck (view source) (protected)
Template:Side box (view source) (template editor protected)
Template:Sister project (view source) (template editor protected)
Template:Template other (view source) (protected)
Template:Unbulleted list (view source) (template editor protected)
Template:Webarchive (view source) (template editor protected)
Template:Yesno (view source) (protected)
Template:Yesno-no (view source) (template editor protected)
Module:Arguments (view source) (protected)
Module:Category handler (view source) (protected)
Module:Category handler/blacklist (view source) (protected)
Module:Category handler/config (view source) (protected)
Module:Category handler/data (view source) (protected)
Module:Category handler/shared (view source) (protected)
Module:Check for unknown parameters (view source) (protected)
Module:Citation/CS1 (view source) (protected)
Module:Citation/CS1/COinS (view source) (protected)
Module:Citation/CS1/Configuration (view source) (protected)
Module:Citation/CS1/Date validation (view source) (protected)
Module:Citation/CS1/Identifiers (view source) (protected)
Module:Citation/CS1/Utilities (view source) (protected)
Module:Citation/CS1/Whitelist (view source) (protected)
Module:Citation/CS1/styles.css (view source) (protected)
Module:Disambiguation/templates (view source) (protected)
Module:Find sources (view source) (template editor protected)
Module:Find sources/config (view source) (template editor protected)
Module:Find sources/links (view source) (template editor protected)
Module:Find sources/templates/Find sources mainspace (view source) (template editor protected)
Module:Infobox (view source) (template editor protected)
Module:Infobox/styles.css (view source) (template editor protected)
Module:InfoboxImage (view source) (template editor protected)
Module:List (view source) (protected)
Module:Message box (view source) (protected)
Module:Message box/ambox.css (view source) (protected)
Module:Message box/configuration (view source) (protected)
Module:Namespace detect/config (view source) (protected)
Module:Namespace detect/data (view source) (protected)
Module:Navbar (view source) (protected)
Module:Navbar/configuration (view source) (protected)
Module:Navbar/styles.css (view source) (protected)
Module:Navbox (view source) (template editor protected)
Module:Navbox/configuration (view source) (template editor protected)
Module:Navbox/styles.css (view source) (template editor protected)
Module:Pagetype (view source) (protected)
Module:Pagetype/config (view source) (protected)
Module:Pagetype/disambiguation (view source) (protected)
Module:Pagetype/setindex (view source) (protected)
Module:Pagetype/softredirect (view source) (protected)
Module:SDcat (view source) (protected)
Module:Side box (view source) (template editor protected)
Module:Side box/styles.css (view source) (template editor protected)
Module:String (view source) (protected)
Module:TableTools (view source) (protected)
Module:Unsubst (view source) (protected)
Module:Webarchive (view source) (template editor protected)
Module:Webarchive/data (view source) (template editor protected)
Module:WikidataIB (view source) (template editor protected)
Module:WikidataIB/nolinks (view source) (template editor protected)
Module:WikidataIB/titleformats (view source) (template editor protected)
Module:Wikitext Parsing (view source) (protected)
Module:Yesno (view source) (protected)

Return to AMD K6-2.

Retrieved from "https://en.wikipedia.org/wiki/AMD_K6-2"