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'''Scan-Line Interleave''' ('''SLI''') is a multi-GPU method developed by [[3DFX]] for linking two (or more) [[video card]]s or chips together to produce a single output. It is an application of [[parallel computing|parallel processing]] for [[computer graphics]], meant to increase the processing power available for graphics.<ref name=NGen37>{{cite magazine |title=3DFX Voodoo2 |magazine=[[Next Generation (magazine)|Next Generation]]|issue=37|publisher=[[Imagine Media]] |date=January 1998 |pages=88–92}}</ref><ref name=boot17>{{cite magazine|title=Previews – 3DFX Voodoo2|last=Sanchez|first=Andrew|magazine=[[Boot (magazine)|boot]]|date=January 1998|issue=17|pages=86–87}}</ref> | '''Scan-Line Interleave''' ('''SLI''') is a multi-GPU method developed by [[3DFX]] for linking two (or more) [[video card]]s or chips together to produce a single output. It is an application of [[parallel computing|parallel processing]] for [[computer graphics]], meant to increase the processing power available for graphics.<ref name=NGen37>{{cite magazine |title=3DFX Voodoo2 |magazine=[[Next Generation (magazine)|Next Generation]]|issue=37|publisher=[[Imagine Media]] |date=January 1998 |pages=88–92}}</ref><ref name=boot17>{{cite magazine|title=Previews – 3DFX Voodoo2|last=Sanchez|first=Andrew|magazine=[[Boot (magazine)|boot]]|date=January 1998|issue=17|pages=86–87}}</ref> | ||
3DFX's SLI technology was first introduced in 1998 with the [[Voodoo2]] line of graphics accelerators. The original Voodoo Graphics card and the [[Voodoo5|VSA-100]]<ref name=AnandVoodoo5Review>Lal Shimpi, Anand. [http://www.anandtech.com/showdoc.html?i=1276 3DFX Voodoo5 5500], Anandtech, July 11, 2000.</ref><ref name=wicher>[http://hothardware.com/Articles/3DFX-Interview-with-Peter-Wicher/ 3DFX Interview with Peter Wicher], Hot Hardware, December 15, 2001.</ref> were also SLI-capable. However, in the case of the former, it was only used in arcades,<ref>{{Cite web |last=Bennett |first=Phil |title=Magic the Gathering: Armageddon - MAME preliminary driver |url=https://github.com/mamedev/mame/blob/d2c4286eca573ed6143b50cb4acd0c8ab72db9f1/src/mame/misc/magictg.cpp#L146 |url-status=live |archive-url=https://web.archive.org/web/20231205200512/https://github.com/mamedev/mame/blob/d2c4286eca573ed6143b50cb4acd0c8ab72db9f1/src/mame/misc/magictg.cpp#L146 |archive-date=December 5, 2023 |access-date=December 5, 2023 |website=[[MAME]] [[GitHub]] repository}}</ref><ref>{{Cite web |last=Ondrejka |first=Cory |date=April 5, 2019 |title=CoryOndrejka on: The 3DFX Voodoo1 |url=https://news.ycombinator.com/item?id=19583111 |url-status=live |archive-url=https://web.archive.org/web/20231205195946/https://news.ycombinator.com/item?id=19583111 |archive-date=December 5, 2023 |access-date=December 5, 2023 |website=[[Hacker News]]}}</ref> as well as professional applications via Primary Image's Piranha<ref name=":0">{{Cite web |date=1999-11-14 |title=Primary Image Graphics Ltd - Piranha pc graphics image generator |url=http://www.primary-image.com/piranha.htm |access-date=2025-02-11 |archive-url=https://web.archive.org/web/19991114014123/http://www.primary-image.com/piranha.htm |archive-date=14 November 1999 }}</ref><ref>{{Cite web |title=Primary Image Ltd 3dfx products |url=http://www.thedodgegarage.com/3dfx/primary_image.htm |access-date=2025-02-11 |website=www.thedodgegarage.com}}</ref><ref>{{Cite web |title=3dfx.eu - Primary Image Ltd. |url=http://3dfx.eu/en/primary-image |access-date=2025-02-11 |website=3dfx.eu}}</ref> card, intended for use with simulations using various<ref name=":1">{{Cite web |date=1999-08-21 |title=Primary Image Graphics Ltd - Tempest |url=http://www.primary-image.com/tempest.htm |access-date=2025-02-11 |archive-url=https://web.archive.org/web/19990821040731/http://www.primary-image.com/tempest.htm |archive-date=21 August 1999 }}</ref><ref name=":2">{{Cite web |date=1998 |title=Barracuda Product Data Sheet |url=http://www.thedodgegarage.com/3dfx/primary_image/barracuda.pdf}}</ref> graphics APIs such as OpenGL, Glide, or Primary Image's own Tempest API. Support for the [[OpenFlight|MultiGen OpenFlight Format]] in particular was specifically advertised.<ref name=":0" /><ref name=":1" /><ref name=":2" /> | 3DFX's SLI technology was first introduced in 1998 with the [[Voodoo2]] line of graphics accelerators. The original Voodoo Graphics card and the [[Voodoo5|VSA-100]]<ref name=AnandVoodoo5Review>Lal Shimpi, Anand. [https://web.archive.org/web/20001026034001/http://www.anandtech.com/showdoc.html?i=1276 3DFX Voodoo5 5500], Anandtech, July 11, 2000.</ref><ref name=wicher>[http://hothardware.com/Articles/3DFX-Interview-with-Peter-Wicher/ 3DFX Interview with Peter Wicher], Hot Hardware, December 15, 2001.</ref> were also SLI-capable. However, in the case of the former, it was only used in arcades,<ref>{{Cite web |last=Bennett |first=Phil |title=Magic the Gathering: Armageddon - MAME preliminary driver |url=https://github.com/mamedev/mame/blob/d2c4286eca573ed6143b50cb4acd0c8ab72db9f1/src/mame/misc/magictg.cpp#L146 |url-status=live |archive-url=https://web.archive.org/web/20231205200512/https://github.com/mamedev/mame/blob/d2c4286eca573ed6143b50cb4acd0c8ab72db9f1/src/mame/misc/magictg.cpp#L146 |archive-date=December 5, 2023 |access-date=December 5, 2023 |website=[[MAME]] [[GitHub]] repository}}</ref><ref>{{Cite web |last=Ondrejka |first=Cory |date=April 5, 2019 |title=CoryOndrejka on: The 3DFX Voodoo1 |url=https://news.ycombinator.com/item?id=19583111 |url-status=live |archive-url=https://web.archive.org/web/20231205195946/https://news.ycombinator.com/item?id=19583111 |archive-date=December 5, 2023 |access-date=December 5, 2023 |website=[[Hacker News]]}}</ref> as well as professional applications via Primary Image's Piranha<ref name=":0">{{Cite web |date=1999-11-14 |title=Primary Image Graphics Ltd - Piranha pc graphics image generator |url=http://www.primary-image.com/piranha.htm |access-date=2025-02-11 |archive-url=https://web.archive.org/web/19991114014123/http://www.primary-image.com/piranha.htm |archive-date=14 November 1999 }}</ref><ref>{{Cite web |title=Primary Image Ltd 3dfx products |url=http://www.thedodgegarage.com/3dfx/primary_image.htm |access-date=2025-02-11 |website=www.thedodgegarage.com}}</ref><ref>{{Cite web |title=3dfx.eu - Primary Image Ltd. |url=http://3dfx.eu/en/primary-image |access-date=2025-02-11 |website=3dfx.eu}}</ref> card, intended for use with simulations using various<ref name=":1">{{Cite web |date=1999-08-21 |title=Primary Image Graphics Ltd - Tempest |url=http://www.primary-image.com/tempest.htm |access-date=2025-02-11 |archive-url=https://web.archive.org/web/19990821040731/http://www.primary-image.com/tempest.htm |archive-date=21 August 1999 }}</ref><ref name=":2">{{Cite web |date=1998 |title=Barracuda Product Data Sheet |url=http://www.thedodgegarage.com/3dfx/primary_image/barracuda.pdf}}</ref> graphics APIs such as OpenGL, Glide, or Primary Image's own Tempest API. Support for the [[OpenFlight|MultiGen OpenFlight Format]] in particular was specifically advertised.<ref name=":0" /><ref name=":1" /><ref name=":2" /> | ||
[[Nvidia Corporation|NVIDIA]] reintroduced the SLI acronym in 2004 as [[Scalable Link Interface]]. NVIDIA's SLI, compared to 3DFX's SLI, is modernized to use graphics cards interfaced over the [[PCI Express]] bus.<ref name="NVIDIA SLI">{{cite web|title=What is SLI?|url=http://www.geforce.com/whats-new/guides/introduction-to-sli-technology-guide#2|website=www.geforce.com|access-date=16 August 2024}}</ref> | [[Nvidia Corporation|NVIDIA]] reintroduced the SLI acronym in 2004 as [[Scalable Link Interface]]. NVIDIA's SLI, compared to 3DFX's SLI, is modernized to use graphics cards interfaced over the [[PCI Express]] bus.<ref name="NVIDIA SLI">{{cite web|title=What is SLI?|url=http://www.geforce.com/whats-new/guides/introduction-to-sli-technology-guide#2|website=www.geforce.com|access-date=16 August 2024}}</ref> | ||
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{{3dfx Graphics Processors}} | {{3dfx Graphics Processors}} | ||
[[Category:3dfx | [[Category:3dfx]] | ||
[[Category:Graphics cards]] | [[Category:Graphics cards]] | ||
Latest revision as of 21:47, 24 December 2025
Template:Short description Script error: No such module "Distinguish". Template:Refimprove Template:Infobox Information appliance Scan-Line Interleave (SLI) is a multi-GPU method developed by 3DFX for linking two (or more) video cards or chips together to produce a single output. It is an application of parallel processing for computer graphics, meant to increase the processing power available for graphics.[1][2]
3DFX's SLI technology was first introduced in 1998 with the Voodoo2 line of graphics accelerators. The original Voodoo Graphics card and the VSA-100[3][4] were also SLI-capable. However, in the case of the former, it was only used in arcades,[5][6] as well as professional applications via Primary Image's Piranha[7][8][9] card, intended for use with simulations using various[10][11] graphics APIs such as OpenGL, Glide, or Primary Image's own Tempest API. Support for the MultiGen OpenFlight Format in particular was specifically advertised.[7][10][11]
NVIDIA reintroduced the SLI acronym in 2004 as Scalable Link Interface. NVIDIA's SLI, compared to 3DFX's SLI, is modernized to use graphics cards interfaced over the PCI Express bus.[12]
Function
3DFX's SLI design was the first attempt, in the consumer PC market, at combining the rendering power of two video cards. The two 3DFX cards were connected by a small ribbon cable inside the PC. This cable shared graphics and synchronization information between the cards. Each 3DFX card rendered alternating horizontal lines of pixels composing a frame.[1][2]
See also
- Scalable Link Interface - Nvidia
- AMD CrossFireX - AMD
References
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- ↑ a b Script error: No such module "Citation/CS1".
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- ↑ Lal Shimpi, Anand. 3DFX Voodoo5 5500, Anandtech, July 11, 2000.
- ↑ 3DFX Interview with Peter Wicher, Hot Hardware, December 15, 2001.
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External links
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