VESA Local Bus

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Developed by VESA group that standarised the local bus on 486 PCs (though the bus can be found on some 386 and Pentium motherboards as well) in late 1992. Prior to VLB, many motherboard manufacturers had their own proprietary local buses. Vesa local bus was designed primarily for graphics adapters, but hard disk controllers were also popular. A few network interface cards also exist. The VLB 1.0 specification supports 3 cards at 25MHz, 2 cards at 33MHz and 1 card at 40MHz. 50MHz was only supported if the VGA was integrated into the motherboard. However, if both motherboard and component quality are exceptionally high, it is possible to run outside of these specs. VL-bus competed primarily with PCI, which was released around the same time. VLB was initially more popular due to lower cost, but PCI displaced it completely when Pentiums became mainstream. Later into VLBs life a V2.0 specification was released that addressed some of the limitations of V1.0, but it is unknown if any motherboards or expansion cards used it (highly unlikely). OPTi was one of the last holdovers for VLB, as you can find Pentium Socket5 motherboards equipped with the slots. VLB was very popular in 1993 and 1994, but by 1995 it began to disappear, and was all but dead by 1996.

Below is an almost complete list of SVGA adapters for VLB:

  • Acronics ASI2000 Orion 32 CL-GD5430
  • Acronics ASI2000 Orion 64 CL-GD5434
  • Actix GraphicsEngine 32 Plus S3-801
  • Actix GraphicsEngine 32 LB S3-805i
  • Actix GraphicsEngine VL+ S3-805i
  • Actix GraphicsEngine Ultra Plus S3-928
  • Actix ProStar VL CL-GD5426/8
  • Acumos AVGA3 CL-GD5422/4/6
  • Acumos AVGA4 CL-GD5428
  • Air Star2000 Weitek P9000
  • American Megatrends Fast View Weitek P9000
  • Appian Renegade 1280 (Pro) AGC-98032
  • Artist Graphics 2000 Artist 3GA
  • Artist Graphics 2000 Pro Artist 3GA
  • Artist Graphics 2000i Pro Artist 3GA
  • Artist Graphics 2000i GrayScale Artist 3GA
  • Artist Graphics 2000 Twin Pro(7) Artist 3GA
  • Artist Graphics WinSprint 1000 Artist GPX
  • Artist Graphics WinSprint 1000i Artist GPX
  • A.G. WinSprint 1000i GrayScale Artist GPX
  • Artist Graphics Xj1000 Artist GPX
  • Artist Graphics Xj1000i Artist GPX
  • ATI Graphics Ultra Pro (VRAM) ATI-Mach32
  • ATI Graphics Wonder ATI-Mach32
  • ATI Ultra Plus (DRAM) ATI-Mach32
  • ATI Ultra XLR ATI-Mach32
  • ATI Xpression/WinBoost (DRAM) ATI-Mach64
  • ATI GPro Turbo/WinTurbo (VRAM) ATI-Mach64
  • Boca SuperX VGA VL-Bus CL-GD5430
  • Boca VL-Bus SuperX CL-GD5426
  • Boca Vortex IIT AGX-015?
  • Boca Voyager C&T64300F
  • Cardex Cobra ET4000/W32i
  • Cardex Challenger ET4000/W32p
  • Cardex Challenger Pro ET4000/W32p
  • Cardex Mirage Plus UMC85C418
  • Cardinal SNAPplus-VL CL-GD5434
  • CCS Labs MaxPower P9000/32
  • Colorgraphic Pro Lightning S3-864
  • Colorgraphic Quad Pro L S3-864
  • Creative 3D Blaster 3DLabs Permedia
  • DataExpert ExpertColor DSP6430 C&T-64300DGX
  • Dell 433 (/L,/M) S3 805
  • Dell 466/L S3 805
  • Dell 466/L ET4000w32i
  • DFI-WG1000 (Plus) CL-GD5422/6/8
  • DFI-WG5000VL ET4000/W32i
  • DFI-WG6000 WD90C33
  • DFI-WG9000 Weitek P9000
  • Diamond Alpine CL 5430/5434
  • Diamond SpeedStar Pro CL-GD5426/5428
  • Diamond SpeedStar 64 (15) CL-GD5434
  • Diamond SpeedStar Pro SE (1) CL-GD5430
  • Diamond Stealth 24 LB S3-805
  • Diamond Stealth Pro (LB) S3-928
  • Diamond Stealth SE S3-Trio32
  • Diamond Stealth32 (5) ET4000/W32p
  • Diamond Stealth64 DRAM S3-864/Trio64
  • Diamond Stealth64 DRAM Video S3-868
  • Diamond Stealth64 VRAM S3-964
  • Diamond Stealth64 VRAM Video S3-968
  • Diamond Stealth64 Video 2200XL
  • Diamond Stealth64 Video 2120 S3-Trio64
  • Diamond Stealth64 Video 2200 S3-Trio64
  • Diamond Stealth64 Video 3200 S3-Vision968
  • Diamond Stealth64 Video 3240 S3-Vision968
  • Diamond Stealth64 Video 3400 S3-Vision968
  • Diamond Stealth SE S3-Trio732
  • Diamond Viper Weitek P9000
  • Diamond Viper SE Weitek P9100
  • Diamond Viper Pro Video (6) Weitek P9100
  • EIZO VRAM? IIT AGX-015
  • ELSA Winner 1000 Pro S3-864
  • ELSA Winner 1000 AVI S3-868
  • ELSA Winner 1000TRIO S3-Trio64
  • ELSA Winner 2000 S3-928
  • ELSA Winner 2000 Pro S3-964
  • ELSA Winner 2000 Pro/X S3-968
  • ELSA Winner 2000 AVI S3-968
  • Expert EVP/EVL 944 Trident 9440
  • Expert EVL 529 CL-GD5429
  • Expert EVL 28 CL-GD5428
  • Expert EVL 32i ET4000/W32i
  • Focus Cheetah XL CL-GD5428
  • Focus Cheetah 34 CL-GD5434
  • Focus Premier 1000 ARK1000PV
  • Focus Roadrunner 864 S3-864
  • Focus TrueSpeed S3-801
  • Focus TrueSpeed W32P ET4000/W32p
  • Genoa Audio Graphics CL-GD5426
  • Genoa 8500VL(-28) CL-GD5426/8
  • Genoa 8900 Phantom 32i ET4000/W32i/p
  • Genoa G Vision DX (9) CL-GD5434
  • Genoa Phantom 32i ET4000w32p
  • Genoa Phantom 64i S3-864
  • Genoa Video Blitz 9200VL Weitek P9000
  • Genoa Windows VGA 24 CL-GD5426/28
  • Genoa Windows VGA64 8534 CL-GD5434
  • Hercules Dynamite D501 ET4000/W32
  • Hercules Dynamite D (601,602) ET4000/W32i
  • Hercules Dynamite D901 ET4000/W32p
  • Hercules Dynamite Power ET4000/W32i/p
  • Hercules Dynamite Pro ET4000/W32i/p
  • Hercules Graphite Pro IIT AGX-014/5/6
  • Hercules Graphite Power IIT AGX-016
  • Hercules Stingray ALG-2228/2301
  • Hercules Stingray Pro(/V) ARK1000PV
  • Hercules Graphite Terminator 64 S3-964
  • Hercules Terminator ProfessionalS3-Vision968
  • Hercules Terminator 64/DRAM S3-Trio64
  • Hewlett Packard Vectra VL2 CL-GD5428
  • IBM Valuepoint S3-805/928
  • IBM Valuepoint S3-Vision864
  • IBM Valuepoint ET4000w32i
  • Infotronic IGP64 (1280,1600) Infotron. IGP64
  • Matrox MGA MGA 64
  • Matrox MGA Ultima MGA 64
  • Matrox MGA Ultima + MGA 64
  • Matrox MGA Impression MGA 64
  • Matrox MGA Impression Lite MGA 64
  • Media Vision Pro Graphics 1024 MVV452
  • Metheus+ 928-4M S3-928
  • Metheus+ P1700 ???
  • Metheus Premier 928 (ISA/VL) S3-928
  • MaxVision VideoMax MV-1 Weitek P9000
  • Micro-Labs Ultimate VGA ET4000/W32i
  • Micro-Labs Ultimate TrueC./XL ET4000/W32i/p
  • Mirage Wind 1280 (18) ET4000/W32p
  • Miro Crystal 8S S3-801/805
  • Miro Crystal 10SD S3-801/805
  • Miro Crystal 12PD Alliance 3210
  • Miro Crystal 12SD S3-Trio32
  • Miro Crystal 16S S3-928
  • Miro Crystal 20SD S3-864/8 (3)?
  • Miro Crystal 20SV S3-964
  • Miro Crystal 40SV S3-964/8
  • miroVideo 20TD live! ET4000W32&Viper
  • National MicroSystems Avance 2201
  • NCR NCR 77C22 not
  • NCR NCR 77C32BLT
  • Nth Graphics Nth Advantage S3-805
  • Nth Graphics s# Advantage (LB) S3-801/805
  • Nth Graphics Apex 1/2MB S3-864
  • Nth Graphics Apex 4MB S3-964
  • Number Nine GXE S3-928
  • Number Nine GXE 64 (3)? S3-864/Trio64
  • Number Nine GXE 64 Pro S3-964
  • Number Nine GXE 64 Pro 1600 S3-964
  • Number Nine 9FX Motion 531 S3-Vision868
  • Number Nine 9FX Motion 771 S3-Vision968
  • Number Nine 9FX Vision 330 S3-Trio64
  • Ocean Saturn 1000 ARK1000VL
  • Ocean VL-VGA-1000 ???
  • Opti LCD VGA OPTI 92C168/178
  • Orchestra Accelerando NCR77C32BLT
  • Orchestra Alegretto UMC
  • Orchestra Presto VL S3-805
  • Orchid Celsius AGX
  • Orchid Fahrenheit 1280+ S3-801/805
  • Orchid Fahrenheit LB S3-805
  • Orchid Fahrenheit VA S3-801/805
  • Orchid Fahrenheit 64 S3-864
  • Orchid Fahrenheit Pro64 S3-964
  • Orchid Fahrenheit ProVideo64 S3-968
  • Orchid Kelvin EZ CL-GD5430
  • Orchid Kelvin MPEG not listed
  • Orchid Kelvin 64 CL-GD5434
  • Paradise Accelerator Value OTI-087
  • Paradise Accelerator VL Plus WD90C33
  • Paradise Accelerator VL Value TGUI9400CXi
  • Paradise Ports O'Call WD90C33
  • Paradise Bahamas 64 S3-864
  • Paradise Bahamas 64 Premium S3-868
  • Paradise Bahamas 64 S3-764/Trio64V
  • Paradise Bali 32 ARK1000PV
  • Paradise VL3000 WD90C31?
  • PCG Photon Torpedo GXA9000 Weitek P9000
  • PCG Photon Torpedo LB S3-805
  • PCG Photon Torpedo CL-GD5434
  • PraeoTek FastMax L20/P20 S3-864
  • Prolink VLB32-Combo-1 CL-GD5428
  • Prolink VLB32-Combo-2 CL-GD5430
  • Prolink VLB32-Pro-2 CL-GD5430?
  • Prolink VLB32-Pro-4 TGUI9400
  • Radius FireStorm 192 S3-864 (3x)
  • Sigma Concorde ET4000/W32i
  • Sigma Designs f.64 gfx (11) Weitek P9100
  • Sigma Designs f.64 xvp (11) (6) Weitek P9100
  • Sixgraph Wizard 9000 Weitek P9000
  • Software Int. Mercury X2VL S3 805i
  • SPEA/V7 Showtime Plus ET4000w32p
  • SPEA/V7 Mirage VEGA Plus ALG-2228
  • SPEA/V7 Mercury S3-928
  • SPEA/V7 Mercury Lite S3-928
  • SPEA/V7 Mercury P-64 S3-964
  • SPEA/V7 Mercury Pro S3-928
  • SPEA/V7 Mirage S3-Trio32
  • SPEA/V7 Mirage P64 S3-864
  • SPEA/V7 Storm Pro Weitek P9100
  • SPEA/V7 VEGA CL-GD5426
  • SPEA/V7 VEGA Plus Avance 2228
  • SPEA/V7 VEGA Plus Avance 2301
  • SPEA/V7 VEGA Pro Trident 9440
  • Spider 32 VLB (Plus) CL-GD5428
  • Spider 64 CL-GD5434
  • Spider 256 Cache C&T64300
  • Spider Black Widow VLB AGX-015
  • Spider Black Widow Plus AGX-016
  • Spider Tarantula 64 S3-964
  • Spider Pro-Vision 64 Alliance-3210
  • Spider Pro-Vision 64 Alliance-3210
  • Spider VLB Plus CL-GD5428
  • STB Express ALG-2228/2301
  • STB Horizon CL-GD5426/28
  • STB Horizon + CL-GD5430
  • STB LightSpeed VL ET4000/W32i/p
  • STB Nitro 64 CL-GD5434
  • STB Pegasus S3-928
  • STB Powergraph X-24 S3-801/805
  • STB Powergraph/V S3-868
  • STB Powergraph VL-24 S3-805
  • STB Powergraph 64 S3-Trio64
  • STB Powergraph 64 Video S3-Trio64V+
  • STB Sprint 32-bit ???
  • STB Velocity 64V S3Vision968(16)
  • Techworks* Thunderbolt VL ET4000/W32p
  • Techworks* WarpVL-1 S3-864?
  • Techworks* WarpVL-2 S3-864?
  • Techworks* Thunderbolt64 Sierra Falcon64
  • UMAX Maxmedia CX/24 (13) S3-801/805 (?x)
  • UMAX Maxmedia CX/Expert S3-864
  • VG-8000 WH WD90C33?
  • Video7 Warp 10 LB S3-805
  • VideoLogic 928Movie S3-96C928
  • VideoLogic GrafixStar 300 S3-Trio64
  • VideoLogic GrafixStar 500 S3-Vision 868
  • VideoLogic GrafixStar 700 S3-Vision 968
  • Vision Enh. Windows Accelerator OTI-087
  • Vision Enh. Mongoose (13) OTI-6407
  • Vision E. Mongoose II (6) (14) OTI-6407
  • Western Digital** RocketCHIP WD33
  • Western Digital** RocketCHIP WD9710