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Super VGA

From Wikipedia, the free encyclopedia
Graphics display resolution
Not to be confused withSVG.
Super VGA
TypicalVLB SVGA card
Release dateAugust 31, 1987; 38 years ago (1987-08-31)
ArchitectureChips and Technologies 82c441, ET3000
History
PredecessorVideo Graphics Array
SuccessorXGA

Super VGA (SVGA) orExtended VGA is a broad term that covers a wide range ofcomputer display standards that extended IBM'sVGA specification.[1][2]

When used as shorthand for a resolution, as VGA andXGA often are, SVGA refers to a resolution of 800 × 600.[3]

History

[edit]
Comparison between common display resolutions, including several resolutions defined for Super VGA byVESA BIOS Extensions

In the late 1980s, after the release ofIBM's VGA, third-party manufacturers began making graphics cards based on its specifications with extended capabilities. As these cards grew in popularity, they began to be referred to as "Super VGA".

This term was not an official standard, but a shorthand for enhanced VGA cards which had become common by 1988.[4] The first cards that explicitly used the term wereGenoa Systems's SuperVGA and SuperVGA HiRes in 1987.[5]

In November 1988,NEC Home Electronics announced its creation of theVideo Electronics Standards Association (VESA) to develop and promote a Super VGAcomputer display standard as a successor to IBM'sproprietary VGA display standard. Super VGA enabledgraphics display resolutions up to 800×600pixels, compared to VGA's maximum resolution of 640×480 pixels—a 56% increase.[6]

Super VGA cards broke compatibility with the IBM VGA standard, requiring software developers to provide specificdisplay drivers and implementations for each card their software could operate on. Initially, the heavy restrictions this placed on software developers slowed the uptake of Super VGA cards, which motivatedVESA to produce a unifying standard, theVESA BIOS Extensions (VBE), first introduced in 1989,[7] to provide a common software interface to all cards implementing the VBE specification.[8][9]

Eventually, Super VGA graphics adapters supported innumerable modes.

Specifications

[edit]
Simulated SVGA 640 × 400 image (corrected for aspect ratio)
Simulated SVGA 640 × 480 image

The Super VGA standardized the following resolutions:[7]

  • 640 × 400 or 640 × 480 with 256 colors
  • 800 × 600 with 256 colors
  • 1024 × 768 with 256 colors
  • 1280 × 1024 with 256 colors

SVGA uses the same DE-15VGA connector as the original standard, and otherwise operates over the same cabling and interfaces as VGA.

Early manufacturers

[edit]

Some early Super VGA manufacturers and some of their models, where available:

Gallery

[edit]
  • ALiCat M3147V SVGA video card
    ALiCat M3147V SVGA video card
  • Cirrus Logic GD5429 VLB SVGA video card
    Cirrus Logic GD5429 VLB SVGA video card
  • Early 1996 IGS IGA1682_A PCI SVGA video card
    Early 1996 IGS IGA1682_A PCI SVGA video card
  • S3 805 VLB SVGA video card
    S3 805 VLB SVGA video card
  • WDC ISA SVGA video card
    WDC ISA SVGA video card

References

[edit]
  1. ^Ferraro, Richard F. (1990).Programmer's Guide to the EGA and VGA Cards (2nd ed.).Addison-Wesley. p. 596.ISBN 0-201-57025-4.Nearly all VGA cards manufactured today exceed the VGA standard [...] in some significant way. These new and improved VGAs have been labeled Super VGAs, Extended VGAs or Advanced VGAs.
  2. ^"Graphics Cards". DOS Days. Retrieved2025-02-16.VGA was the last IBM graphics standard to which the majority of PC clone manufacturers conformed, [...] It was officially followed by IBM's Extended Graphics Array (XGA) standard, but was effectively superseded by numerous slightly different extensions to VGA made by clone manufacturers, collectively known as Super VGA.
  3. ^"Projector Guide - Resolution | Epson US".epson.com. Retrieved2020-08-17.
  4. ^Richter, Jake (1990-07-16)."High-Resolution Video Boards".InfoWorld.12 (29). InfoWorld Media Group, Inc.: 55.ISSN 0199-6649.
  5. ^Gabel, David (December 1, 1987)."Plug-compatible vendors take aim at VGA card".PC Week.4 (48). Ziff-Davis: 148 – via Gale.
  6. ^Brownstein, Mark (November 14, 1988)."NEC Forms Video Standards Group".InfoWorld. Vol. 10, no. 46. p. 3.ISSN 0199-6649. RetrievedMay 27, 2016.
  7. ^ab"SUPER VGA BIOS EXTENSION Standard # VS891001 › Gemixtes". 2013-12-11. Archived fromthe original on 2013-12-11. Retrieved2022-12-27.
  8. ^VESA BIOS Extension (VBE) Core Functions Standard 3.0(PDF). Milpitas, CA:Video Electronics Standards Association. 16 September 1998. p. 3.
  9. ^Kliewer, Bradley Dyck (December 1990)."VGA to the max".BYTE. Vol. 15, no. 13. pp. 355–360.ISSN 0360-5280. Retrieved2026-01-06.
  10. ^Juris, Robbin; Miller, Catherine; Ricciardi, Salvatore; Tate-Austin, Priscilla (1988-11-15)."Small-Footprint 386 PCs".PC Mag.7 (2). Ziff Davis, Inc.: 98.ISSN 0888-8507.
  11. ^stason.org, Stas Bekman: stas (at)."AST VGA PLUS (202262-001, 002, 003) video card Settings and Configuration".stason.org. Retrieved2022-12-27.
  12. ^abUnknown ATI 8-bit videocard, Google Groups
  13. ^Need info on old Video Seven VGA card, Google Groups
  14. ^stason.org, Stas Bekman: stas (at)."SUPERVGA HIRES-10 5200-10, SUPERVGA 5100 video card Settings and Configuration".stason.org. Retrieved2022-12-27.
  15. ^"Motherboards/Laptops built-in graphics".
  16. ^stason.org, Stas Bekman: stas (at)."DESIGNER VGA video card Settings and Configuration".stason.org. Retrieved2022-12-27.
  17. ^stason.org, Stas Bekman: stas (at)."PARADISE VGA PLUS 16 video card Settings and Configuration".stason.org. Retrieved2022-12-27.
  18. ^VGA, or what to do with my tax return!, Google Groups
  19. ^VGA monitor and adapter choices, Google Groups
  20. ^IBM's EGA and VGA, Google Groups
  21. ^Poor, Alfred (July 1989)."VGA and NTSC: Putting your Program on TV".PC Mag.8 (13). Ziff Davis, Inc.: 158.ISSN 0888-8507.
Wikimedia Commons has media related toSVGA.
PC-compatible video hardware
Standarddisplay resolutions
Widescreendisplay resolutions
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