Diamond Multimedia

Diamond Multimedia

Diamond Multimedia is a company that specializes in many forms of multimedia technology. They have produced graphics cards, motherboards, modems, sound cards and MP3 players, however the company began with the production the TrackStar a PC add-on card which emulated Apple II computers. They were one of the major players in the 2D and early 3D graphics card competition throughout the 1990s and early 2000s.

Originally founded by Chong Moon Lee and H. H. Huh (the technical designer), Diamond Multimedia was merged (after a long-time companionship) with S3, Incorporated in 1999. The merger was mostly due to S3's willingness to expand their trade from simply producing graphics chipsets to retail graphics cards. The act is somewhat similar with the 1999 3dfx purchase of STB Technologies. The merger was hoped to boost the company's overall capabilities by combining the resources of S3 and Diamond, who were quite close partners over the preceding years. Unfortunately things did not go so well. The greatly anticipated S3 Savage 2000 was a failure, and the excitedly growing 3D sound card market nearly fell apart with the loss of Aureal Semiconductor.

With these market failures, the new combined Diamond/S3 company decided to change direction and leave the PC addon-board market. SONICblue was formed. Diamond Multimedia resurfaced in 2003 after the brand and assets had been purchased by Best Data. Diamond again built expansion boards.

Graphics Cards


Diamond's earliest line, now defunct, was the Speedstar series. The line typically consisted of the cheaper, value-oriented chips in low-cost implementations. Some were actually just lesser ISA port versions of their very powerful PCI port siblings, like the Tseng Labs ET4000, and thus their thoroughput was reduced, a deciding factor for VGA graphics speed at the time.

Early on, popular chips on Speedstars were Cirrus Logic graphics solutions. They were good performers in their market segment, besting offerings from Trident Microsystems and others in many cases.

A listing of some of the Speedstar boards

  • Diamond SpeedStar (Plus/24) Tseng Labs ET4000AX ISA
  • Diamond SpeedStar 24 Tseng Labs ET4000 ISA
  • Diamond SpeedStar 24X WD90C31 ISA
  • Diamond SpeedStar Pro Cirrus Logic CL-GD5426/5428 ISA/VLB
  • Diamond SpeedStar 64 Cirrus Logic CL-GD5434 ISA/PCI
  • Diamond SpeedStar Pro SE Cirrus Logic CL-GD5430 VLB/PCI
  • Diamond SpeedStar SuperVGA Tseng Labs ET4000 ISA
  • Diamond SpeedStar A55 S3 Trio3D AGP
  • Diamond SpeedStar A70 SiS 6326 AGP
  • Diamond SpeedStar A90 S3 Savage4 AGP
  • Diamond SpeedStar A200 S3 Savage4 AGP


The Stealth cards of the 2D era were usually based on GUI accelerators from S3 Graphics. This line from Diamond is one of their oldest, spanning back to the early '90s. The line started with the most rudimentary of 2D accelerators, but today displays the latest in 3D chips. Initially the Stealth line was Diamond's high-end lineup, but as time progressed the line became more of a mid-range/low-end selection. With more than adequate performance in most cases, the Stealths offered excellent value. This line was Diamond's most popular.

Notable members of the Stealth family have been the Diamond Stealth 3D 2000, by far the most popular S3 Virge-based board. The Diamond Stealth32, using the popular and impressive Tseng Labs ET4000/W32p chipset, was capable of impressive price/performance, especially in DOS. The Diamond Stealth64 Graphics 2001, with the ARK 2000PV/MT chipset, was known for excellent DOS performance at the time. The Diamond Stealth II S220, using the Rendition Verite V2100 2D/3D accelerator, was popular with enthusiasts for its excellent price/performance for both 2D and 3D gaming. In fact a BIOS was released by Diamond for the Stealth II S220 which brought its clock speed up to the same level as the high-end Verite V2200 chip, resulting in equal performance at a significantly lower price.

In the middle of the Stealth line-up, Diamond chose to implement a numbering scheme to differentiate their cards in a new way. For example, the Diamond Stealth Video VRAM was rechristened the Diamond Stealth Video 3xxx. The numbers had more than a random meaning. Specifically, they tell the buyer the card's memory amount and type. The Stealth Video 3240 uses VRAM (3), is equipped with 2MB initially (2), and is upgradeable to 4MB (4). If the first digit is a (2), then the card uses plain DRAM.

The numbering scheme confused many people since Diamond just renamed current cards with new names. The Stealth Video 3240 was simply the old Stealth Video VRAM. New cards did also use the scheme, however, such as the S3 Trio64V+ cards.

A partial selection of Stealth models

  • Diamond Stealth VRAM S3-911/924 ISA
  • Diamond Stealth 24 S3-801/805 ISA
  • Diamond Stealth 24 VLB S3-805 VLB
  • Diamond Stealth Pro S3-928 ISA/VLB
  • Diamond Stealth SE S3-Trio32 VLB/PCI
  • Diamond Stealth64 Graphics2001 ARK 2000PV/MT PCI
  • Diamond Stealth32 Tseng Labs ET4000/W32p VLB/PCI
  • Diamond Stealth64 DRAM S3-864/Trio64 VLB/PCI
  • Diamond Stealth64 Video DRAM S3-868 VLB/PCI
  • Diamond Stealth64 VRAM S3-964 VLB/PCI
  • Diamond Stealth64 Video VRAM S3-968 VLB/PCI
  • Diamond Stealth64 Video 2001 S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2121 S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2201 S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2001 TV S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2121 TV S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2201 TV S3-Trio64V+ PCI
  • Diamond Stealth64 Video 2200XL VLB/PCI
  • Diamond Stealth64 Video 2120 S3-Trio64 VLB
  • Diamond Stealth64 Video 2200 S3-Trio64 VLB
  • Diamond Steatlh64 Video 2500 ProMotionAT24 PCI
  • Diamond Stealth64 Video 3200 S3-Vision968 VLB/PCI
  • Diamond Stealth64 Video 3240 S3-Vision968 VLB/PCI
  • Diamond Stealth64 Video 3400 S3-Vision968 VLB/PCI
  • Diamond Stealth 3D 2000 S3-ViRGE PCI
  • Diamond Stealth 3D 3000 S3-ViRGE VX PCI
  • Diamond Stealth II S220 Rendition Verite V2100 PCI
  • Diamond Stealth II G460 Intel i740 AGP
  • Diamond Stealth III S520 S3-Savage4 LT AGP
  • Diamond Stealth III S540 S3-Savage4 Pro/Pro+ PCI/AGP
  • Diamond Stealth III S540 Xtreme S3-Savage4 Xtreme AGP
  • Diamond Stealth S60 ATI Radeon 7000 AGP
  • Diamond Stealth Express ATI Radeon X300SE PCI-Express

Edge 3D

The Diamond Edge 3D was the first consumer 3D accelerator card, based on the NVIDIA NV1 chipset. It was manufactured under license from EDGE Games (The Edge Interactive Media Inc, later EDGE Games Inc). The boards were strangely all-encompassing designs. The chipset included full 2D/3D acceleration, an audio engine capable of General MIDI synthesis, and the ability to use Sega Saturn controllers.

The architecture of the NV1 predates the Direct3D philosophy and, as such, game compatibility was a problem with the Diamond Edge boards. Limited and slow Direct3D-supporting drivers did eventually show up, but the boards were simply not up to the task and were unacceptably slow and buggy. It didn't help that the audio section of the card was not particularly excellent either, receiving luke warm reviews regarding MIDI quality (extremely important during the card's time).

  • Diamond Edge 3D 2xx0 SGS STG2000 (nVidia NV1) PCI
  • Diamond Edge 3D 3xx0 nVidia NV1 PCI


The Monster3D line was based on 3DFX Voodoo Graphics and Voodoo2 chips - as such, they had no on-board 2D and thus had to be used with a separate VGA card, connected externally. Both Voodoo and Voodoo2 based offerings were in production until the STB-3dfx merger. The series was highly successful and, for a significant part, responsible for the 3D Graphics revolution of the mid-late 1990s. 3DFX's Voodoo chipsets were revolutionary and for several years (approx. 1997-1999) were simply the fastest hardware for 3D gaming acceleration in both the arcade market and home PC arena.

A critically acclaimed feature of the Monster 3D II (and all other Voodoo2 boards) was the capability to connect two identical boards in a SLI (Scan-line Interleave) configuration. In SLI, a pair of Voodoo2 boards splits the effort of rendering the 3D scene, allowing performance to be nearly doubled.

  • Diamond Monster 3D 3DFX Voodoo1 4MB PCI
  • Diamond Monster 3D II 3DFX Voodoo2 8MB PCI (2MB video RAM, 6MB texture RAM)
  • Diamond Monster 3D II 3DFX Voodoo2 12MB PCI (4MB video RAM, 8MB texture RAM)
  • Diamond Monster 3D II MEGAMonster bundle (Monster 3D II, MEGAMonster Voodoo2 companion board, MEGAMonster (SLI) cable) (a Voodoo2 SLI bundle offered by Diamond)
  • Diamond Monster Fusion Z100 3DFX Banshee 16MB PCI/AGP (Referred to as the "Mon Fusion" by the sticker on many cards)


The Viper line was Diamond's high-end line. Initially it consisted of a unique accelerator board for VLB and PCI, based upon a combination Oak DOS display chip and a Weitek graphics co-processor for Windows GUI duties.

Towards the end of the 1990s, the Viper line was revived and consisted solely of NVIDIA chipset offerings, the first card being Diamond Viper V330, sporting the featureful Riva 128 chipset. Despite the technological aspects (Riva128 had better 3D features than and similar performance with Voodoo1) the first offering wasn't much of a killer (though Riva128 found a home in many OEM systems), Voodoo having better support from game developers.

The later Diamond Viper V550 and V770 along with other RIVA TNT and RIVA TNT2 accelerators were the ones to become hugely successful, cementing NVIDIA's technological leader position.

One of the last video cards from Diamond before their several-year leave from the market was the Diamond Viper II. This card was highly anticipated as it came after the grand merger between S3 and Diamond. The Viper II was based upon the S3 Savage 2000, a supposed Geforce-killer. Unfortunately the chip itself was badly unfinished silicon and the drivers were a disaster. In fact, the card could really only run two games perfectly: Quake 3 Arena and Unreal Tournament. The much-touted S3TL transform & lighting engine was completely non-functional at release. Registry tweaks to enable it showed extreme bugs and distortions with it enabled, and lower overall performance. Drivers were updated for a few months after release, but the card was quite quickly abandoned. Needless to say it was not great competition for the juggernaut nVidia had turned into.

A selection of Viper boards

  • Diamond Viper Weitek P9000 VLB/PCI
  • Diamond ViperSE Weitek P9100 VLB/PCI
  • Diamond Viper PCI Weitek P9100 PCI
  • Diamond Viper Pro Video Weitek P9100 VLB/PCI
  • Diamond Viper V330 nVidia Riva 128 AGP
  • Diamond Viper V550 nVidia Riva TNT AGP
  • Diamond Viper V770 nVidia Riva TNT2 AGP
  • Diamond Viper II S3 Savage 2000 AGP
  • Diamond Viper ATI Radeon X600PRO PCI-Express
  • Diamond Viper ATI Radeon X1800 PCI-Express


Diamond's workstation-class 2D/3D graphics cards.

The FireGL team was bought by ATI in 2001 once the combined Diamond/S3 dropped out of the graphics market to form SONICblue. ATI continues the Fire GL lineup.

  • Diamond Fire GL 1000, based on the 3Dlabs Permedia NT and GLint chip
  • Diamond Fire GL 1000 Pro, based on 3Dlabs Permedia2 chip, PCI/AGP interface
  • Diamond Fire GL 2000
  • Diamond Fire GL 3000
  • Diamond Fire GL 4000

Diamond has also preparing an upcoming video card as of September 2007, based on the latest-generation R600 graphics core, the same core used for FireGL V8650 and V8600 cards, but altered the PCB design and also renamed as VFX 2000 series professional workstation graphics card, with at least 2 GB GDDR4 memory onboard .

Sound Cards

Monster Sound

The Diamond Monster Sound gaming sound card series was a very innovative line. They were the first to really push the envelope in the at-the-time bleeding-edge PCI audio card market. The Monster Sound cards were among the first to support hardware mixing acceleration with Microsoft's new DirectSound and DirectSound3D audio APIs. Most, if not all, also supported Aureal's burgeoning A3D API.

The original Monster Sound card was highly innovative in this regard, but also controversial because it basically broke DOS game compatibility which was still critical at the time. DOS game audio was only functional within a Windows 95 DOS box, which was a finicky way to try to run these old games. It came equipped with a 2MB AdMOS MIDI daughterboard.

The Monster Sound M80 was similar to the original monster sound, but lacked 4 speaker support. It also had a reduced quality AdMOS MIDI daughterboard (1MB).

Monster Sound MX200 was known for its excellent General MIDI quality because of the high quality patch set (licensed from Roland) it was equipped with on its 4MB Dream daughtercard. Otherwise it was technically identical to the original Monster Sound.

The Diamond Monster Sound MX300 was based on the Vortex2 audio ASIC from Aureal Semiconductor. It was a revolutionary step forward in gaming audio, with impressive 3D audio positioning and other innovative effects. Utilizing the then state-of-the-art Aureal A3D 2.0 3D audio API, the MX300 was capable of producing startlingly immersive audio. Its capability to turn simple stereo speakers into a 3D-audio experience was clearly ahead of the pack for the time, and is unique in its presentation compared to even the renowned and far newer Creative Audigy 2 series.

Monster Sound MX400 was advertised as being one of the first sound cards with hardware MP3 decoding acceleration. Unfortunately this was hardly a worthwhile reason to buy the card because the central CPUs in PCs at the time were more than capable of handling MP3 playback. It was also somewhat complicated to make use of the MP3 acceleration because special software was needed to use it.

The Vortex2-equipped MX300 was a notably superior card for 3D audio. Unfortunately Aureal had gone into bankruptcy and was dissolved so their next-generation chips never saw the light of day. Diamond was forced to go with ESS's less powerful chip to be able to continue the line. The MX400 was the last of the Monster Sound cards.

  • Diamond Monster Sound PCI
  • Diamond Monster Sound M80 PCI
  • Diamond Monster Sound MX100 PCI
  • Diamond Monster Sound MX200 PCI
  • Diamond Monster Sound MX300 Aureal Vortex2 PCI
  • Diamond Monster Sound MX400 ESS Canyon3D PCI

Sonic Impact

The Sonic Impact was the value-oriented sound card line from Diamond. Whereas the MonsterSound lineup was targeted at no-holds-barred gamers, the Sonic Impact cards were more generally aimed, and were cheaper and less powerful. Still the lineup consisted of several capable cards.

  • Diamond Sonic Impact S70 ESS Maestro2 PCI
  • Diamond Sonic Impact S90(A/B) Aureal Vortex1 PCI
  • Diamond Sonic Impact S100 ESS Allegro PCI


Diamond XtremeSound is the first sound card line launched after the company's restructuring in 2003.

  • Diamond XtremeSound 5.1/16 bit Sound Card (XS51) C-Media CMI8738-LX? PCI
  • Diamond XtremeSound - 7.1/24 bit Sound Card (XS71) C-Media CMI8768 PCI
  • Diamond XtremeSound - 7.1/24 bit Sound Card with Dolby Digital Live (XS71DDL) C-Media CMI8768+ PCI

Other Sound Cards

  • Diamond Sonic Sound
  • Diamond Sonic 3D ISA
  • Diamond Mozart ISA

Other products

Rio PMP300 Diamond's innovation created the Rio PMP300, one of the first consumer MP3 players, but they soon sold their MP3 player line and no longer provide support for it. The RIAA had been upset about the possibility of digital music theft when the product was launched.

SupraMax DSL modems The SupraMax line is a popular value DSL modem line.

Diamond Micronics motherboards Diamond began manufacturing PC-compatible motherboards after purchasing Micronics Computers Inc. in 1998.

Maximum DVD Diamond was an early (1997) entrant into PC DVD kits with their Maximum DVD 1000DB-VAR (Value Added Reseller) and 2000-RETKIT (RETail KIT). These kits bundled a 'feature reduced' (several pin headers and other parts not installed) full length PCI MPEG2 analog overlay decoder card made by divion. This card connected to the VGA card with an external passthrough cable, a 3.5mm (1/8") external patch cord to the soundcard's line-in jack, and the analog audio cable from the included Toshiba SD-M1002 DVD-ROM drive connected to the divion card while a second cable passed the audio on to the soundcard's internal connector.

Diamond also made kits called the Maximum DVD 1500 and 2500. (Hardware specifications unknown.) The drivers and player software for these are not compatible with the DVD 1000 and 2000. They are a slightly newer product with the 'Navigator' player software having a cleaner user interface.

None of these DVD kits are DirectX compatible and as the drivers are the VXD type they will only work with Windows 95 through 98SE. Dual-layer DVDs are not supported in original Windows 95 or 95a, but are in the various versions of 95 OEM Service Release 2. Windows 98 or 98SE is not recommended due to problems that may happen with video color and alignment. Only the bundled player software can use the hardware MPEG2 decoding of the card.


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