Advanced Gravis Computer Technology
Advanced Gravis was a Canadian maker of computer game controllers, sound cards, and related hardware, best known for the Gravis PC GamePad, Gravis Joystick, and Gravis UltraSound.
Last updated August 31, 2026
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Overview
Advanced Gravis Computer Technology, commonly known as Advanced Gravis or simply Gravis, was a Canadian manufacturer of computer peripherals and hardware founded in British Columbia in 1982. The company became one of the most recognizable specialist brands in the personal-computer gaming market during the late 1980s and 1990s, when PC games were increasingly moving beyond keyboard-and-mouse control and sound hardware was becoming a major differentiator. Gravis built its reputation through input devices, particularly joysticks and gamepads. Its black joystick designs with red buttons became familiar among PC users, while the Gravis PC GamePad became one of the best-known dedicated controllers for DOS-era and early Windows gaming. The four-button GamePad introduced in 1991 was widely associated with platform and arcade-style PC games and helped establish the gamepad as a practical alternative to the conventional joystick. Earlier products such as the MK VI, released in 1986, emphasized physical ergonomics through a pistol-grip form, adjustable tension, and multiple independent fire buttons. Later product families included the Phoenix, Firebird, and Blackhawk lines. The company also entered the sound-card market with the Gravis UltraSound, an add-on audio card positioned against Creative Technology's Sound Blaster family. The UltraSound gained attention among PC gamers, musicians, and software developers for its wavetable-oriented capabilities and distinctive audio architecture. Although it did not displace Sound Blaster as the dominant general-purpose standard, it developed a strong following and became an influential product in the history of PC audio. At its peak, Advanced Gravis employed nearly 300 people and operated internationally, including through a European office in the Netherlands. It was described as the world's largest manufacturer of computer joysticks and gamepads during part of its expansion. The company continued experimenting with new interfaces as the market evolved from analog game-port peripherals toward USB and digitally enhanced devices. In 2000, it partnered with Immersion Corporation on ARC motor-feedback technology, intended to transmit richer control and feedback information over conventional 15-pin analog connections. USB products such as the GamePad Pro USB and the Eliminator series extended the Gravis name into the later PC-peripheral era. Kensington Computer Products Group acquired Advanced Gravis toward the end of 1997. The Gravis name continued to appear on some products and online resources for a period after the acquisition, but the standalone business gradually disappeared. Its website remained available into the mid-2000s before the brand was effectively phased out. Advanced Gravis is now chiefly remembered for helping define PC gaming input hardware and for the UltraSound card's role in the development of computer audio.
History
Advanced Gravis Computer Technology was established in British Columbia, Canada, in 1982. It entered the computer-hardware market as a specialist manufacturer at a time when personal computers were becoming increasingly important for entertainment as well as office work. Its early focus on input hardware placed the company in a growing niche: PC games needed more responsive and ergonomic controls than standard keyboards, while the emerging home-console market demonstrated the appeal of compact, multi-button controllers. During the 1980s, Gravis developed a portfolio of joysticks and game controllers. The MK VI, released in 1986, illustrated the company's emphasis on physical design. It used a pistol-grip form, tension adjustment, and three separate fire buttons, features intended to give players greater control and adaptability across different game types. Gravis later became particularly associated with a black joystick design featuring red buttons, a product identity that made the brand visually recognizable among PC users. The company broadened its controller business in the late 1980s and early 1990s, producing devices compatible with both personal computers and home-console platforms such as the Nintendo Entertainment System. Its four-button Gravis GamePad, launched in 1991, became a major commercial and cultural success. The pad was especially useful for games modeled on arcade and console conventions, and it helped normalize dedicated gamepads for PC gaming. Subsequent product families included the Phoenix in 1994, the Firebird in 1996, and the Blackhawk in 1997, reflecting continued attempts to serve changing tastes in PC games and peripheral design. Advanced Gravis also expanded beyond controllers. Its Gravis UltraSound add-on card competed with Creative Technology's Sound Blaster products and gave the company a presence in the rapidly developing PC sound market. The UltraSound was recognized for its wavetable-oriented approach and became popular with segments of the gaming and music-creation communities. It did not achieve the same broad market standardization as Sound Blaster, but it earned a durable reputation among technically interested users and software developers. By the height of its growth, Advanced Gravis had nearly 300 employees and operated internationally, including a European office in the Netherlands. The company was described as the world's largest manufacturer of computer joysticks and gamepads during part of this period. Its growth reflected the expanding PC games market, the increasing importance of specialized hardware, and demand for products that could bridge computer and console-style play. As the industry moved toward digital interfaces and USB, Gravis continued to develop new products. USB-compatible devices such as the GamePad Pro USB and the Eliminator series carried the brand beyond the era of traditional game-port peripherals. In 2000, Advanced Gravis partnered with Immersion Corporation to incorporate ARC motor-feedback technology into peripherals. The system was designed to use digital signaling over traditional 15-pin analog ports, potentially supporting more button information, more precise axis control, and tactile feedback without requiring a completely new connector standard. Kensington Computer Products Group acquired Advanced Gravis toward the end of 1997. The Gravis name remained in use after the acquisition, and the company website and related online resources continued for several years. However, the independent identity of Advanced Gravis gradually receded as the product portfolio was absorbed or discontinued. The website was still available into the mid-2000s, but the brand has since essentially disappeared from the active hardware market. Its historical importance rests on the popularity of the PC GamePad and joystick lines, as well as the UltraSound card's contribution to the development of PC gaming audio.
- 2001
GamePad Pro USB and Eliminator-era products
[1]USB-compatible GamePad Pro and Eliminator products extended the Gravis name into the later PC-peripheral market.
- 2000
ARC motor-feedback partnership
[1]Gravis partnered with Immersion Corporation to integrate ARC motor-feedback technology into peripherals using traditional 15-pin analog connections.
- 1997
Blackhawk controller introduced
[1]The Blackhawk was added to Gravis's controller range during the period when the company was acquired by Kensington.
- 1997
Acquired by Kensington Computer Products Group
[1]Kensington Computer Products Group acquired Advanced Gravis toward the end of 1997.
- 1996
Firebird controller introduced
[1]The Firebird joined the company's later-generation controller lineup.
- 1994
Phoenix controller added to the product range
[1]The Phoenix was introduced as part of Gravis's continuing expansion of its controller portfolio.
- 1991
Four-button Gravis GamePad launched
[1]The four-button Gravis GamePad became a prominent PC gaming controller and helped establish the gamepad as a mainstream input format for computer games.
- 1986
MK VI joystick introduced
[1]The MK VI joystick used a pistol-grip design, adjustable tension, and three independent fire buttons, demonstrating Gravis's emphasis on ergonomic and configurable control hardware.
- 1982
Company founded in British Columbia
[1]Advanced Gravis Computer Technology was founded in British Columbia, Canada, beginning its development as a manufacturer of computer peripherals and hardware.
Products and positioning
A specialist computer-gaming hardware brand focused on ergonomic controllers, gamepads, and differentiated PC audio technology.
PC gamepad · 1991
Gravis PC GamePad
The Gravis PC GamePad was the company's best-known controller and one of the most prominent dedicated gamepads for DOS-era and early Windows gaming. Its four-button layout suited arcade, platform, and console-style games that were awkward to play with a keyboard. The product helped make gamepads a familiar category in the PC market and became a defining part of the Gravis brand.
Computer joystick
Gravis Joystick
Gravis produced a range of computer joysticks, including the widely recognized black joystick with red buttons. These products targeted PC games that benefited from directional control and dedicated fire buttons, including flight, action, and arcade titles. The line established Gravis as a major specialist supplier of PC gaming input devices.
Computer joystick · 1986
MK VI
The MK VI was an early Gravis joystick released in 1986. Its pistol-grip construction, adjustable tension, and three independent fire buttons were intended to improve ergonomics and give players more control options than simpler joystick designs.
PC sound card
Gravis UltraSound
The Gravis UltraSound was an add-on sound card designed for personal computers and positioned as a competitor to Creative Technology's Sound Blaster family. Its wavetable-oriented audio capabilities attracted PC gamers, musicians, and developers. Although it did not become the dominant compatibility standard, it developed a strong enthusiast following and remains one of Gravis's most technically significant products.
Game controller · 1994
Phoenix
The Phoenix was a Gravis controller introduced during the company's mid-1990s product expansion. It formed part of the succession of gamepads and joystick-style peripherals that maintained the brand's presence as PC gaming hardware evolved.
Game controller · 1996
Firebird
The Firebird was introduced in 1996 as a later-generation Gravis controller. It represented the company's continuing effort to refresh its input-device portfolio during a period of rapid growth in PC gaming and increasing competition among peripheral makers.
Game controller · 1997
Blackhawk
The Blackhawk joined the Gravis controller range in 1997. It was part of the company's late-1990s effort to maintain a broad offering of PC gaming peripherals around the time of the Kensington acquisition.
USB gamepad · 2001
GamePad Pro USB
The GamePad Pro USB adapted Gravis's gamepad concept to the USB interface, reflecting the industry's transition away from traditional analog game ports. It extended the brand into the later PC-peripheral period after Kensington's acquisition.
USB gaming peripherals
Eliminator series
The Eliminator series was among the later Gravis peripheral products. The line helped carry the brand into USB-era gaming hardware and represented the company's continued use of the Gravis name after the Kensington acquisition.
Brand decisions
2000
Adoption of ARC motor-feedback technologyProduct launchBackground
Gravis was exploring ways to improve the capabilities of legacy PC game-port connections as gaming peripherals moved toward richer digital control and feedback.
Action taken
The company partnered with Immersion Corporation to integrate ARC motor-feedback technology into peripherals, using digital signaling over traditional 15-pin analog ports.
Aftermath
The initiative extended Gravis's technical experimentation into feedback-enabled peripherals, although the brand later receded as the business was phased out.
1997
Sale to Kensington Computer Products GroupM&ABackground
Advanced Gravis had grown into an international peripheral manufacturer with a substantial controller and sound-card portfolio, but the PC hardware market was becoming more competitive and consolidated.
Action taken
Kensington Computer Products Group acquired Advanced Gravis toward the end of 1997.
Aftermath
The Gravis brand remained visible on some products and online resources for several years, but the standalone company eventually disappeared from the market.
Sources1 sources
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