ATI Mach

The Mach line was a series of 2D graphics accelerators for personal computers developed by ATI Technologies.

Models

Mach 8

"Released: 1991"
*IBM 8514/A clone
*Support for up to 8bit colour modes
*Optional VGAWonder 2 (28800) graphics core (with dedicated 256-512kb DRAM)
*512KB or 1MB available with either DRAM or VRAM
*Port: ISA, MCA

The Mach 8 chip was used on the following ATI products:

*8514 Ultra (VRAM, coprocessor only)
*8514 Vantage (DRAM, coprocessor only)
*Graphics Vantage (DRAM)
*Graphics Ultra (VRAM)
*VGAWonder GT (repackaged Graphics Ultra, 1mb RAM standard)

Mach 32

"Released: 1992"
*32-bit GUI accelerator with basic DOS support
*Limited VESA VBE support
*Support for 15bbp, 16bbp and 24bbp colour modes added
*Video memory: 1 or 2 MiB DRAM or VRAM
*Memory interface: 64-bit
*Port: ISA, EISA, VLB, PCI, MCA
*Integrated VGA core
*100% compatible with IBM 8514/A

The Mach 32 chip was used on the following ATI products:

*Graphics Wonder (DRAM)
*Graphics Ultra + (DRAM, fast RAMDAC)
*Graphics Ultra CLX (DRAM, cost-reduced OEM version)
*Graphics Ultra Pro (VRAM)
*Graphics Ultra XLR (VRAM, cost-reduced OEM version)

Mach 64

"Released: 1994"
*64-bit GUI accelerator with basic DOS support
*Limited VESA VBE support
*Video memory: 1, 2, 4 or 8 MiB DRAM, VRAM, or SGRAM
*Memory interface: 64-bit
*Port: ISA, VLB, PCI
*Variants:

**"Mach64 CX/210888" - Original chipset, uncommon (up to 2MB DRAM, or 4MB VRAM)
**"Mach64 GX/210888GX" - Enhanced video playback capabilities
**"Mach64 ET/210888ET" - Embedded???
**"Mach64 CT/264CT - Cost-reduced Mach64 with integrated RAMDAC and clock chip (up to 2mb DRAM)
**"Mach64 VT/264VT - AMC connector (Support for TV-tuner)
**"Mach64 GT/264GT 3D Rage" - 3D capabilities
**"Mach64 GT-B/264GT-B 3D Rage II - SDRAM & SGRAM support(up to 8MB)
**"Mach64 LT/264LT" - Low-power mobile version of Mach64 GT

The Mach 64 chip was used on the following ATI products:

Mach64 GX Family:
*Graphics Xpression (1 or 2mb DRAM)
*Graphics Pro Turbo (2 or 4mb VRAM)
*WinTurbo (1 or 2mb VRAM, non-upgradable)
*Graphics Pro Turbo 1600 (fast RAMDAC,PCI-only)
*XCLAIM GA (Macintosh)

Mach64 CT Family:
*WinBoost (1mb DRAM, upgradable to 2mb)
*WinCharger (2mb DRAM)

Mach64 VT Family:
*Video Charger
*Video Xpression (Mach64 VT2)
*Video Xpression+ (Mach64 VT4)

Mach64 GT Family:
*3D Xpression (2mb EDO DRAM))

Mach64 GT-B Family:
*3D Charger (2mb EDO DRAM)
*3D XPRESSION+ (2 or 4mb SDRAM)
*3D XPRESSION+ PC2TV (TV-out)
*3D Pro Turbo (2,4,6 or 8mb SGRAM)
*3D Pro Turbo+ PC2TV (TV-out)
*Xclaim VR - early versions (Macintosh, 2,4 or 8mb SGRAM, Video-In Video-Out)
*Xclaim 3D - early versions (Macintosh, 4 or 8mb SGRAM)
*All-In-Wonder (SDRAM, TV Tuner)

Important Note: The 3D Rage and 3D Rage II chips were also known as Mach64 GT and Mach64 GT-B respectively. The Mach64 moniker was eliminated with introduction of the 3D Rage Pro.

External links

* [http://www.computercraft.com/docs/Videochipsets.html COMPUTERCRAFT: PC Video Chipset Information]
* [http://www.computerhope.com/help/vati.htm Information about ATI Video Cards]
* [http://ati.amd.com/products/discontinued.html Get a complete list of all ATI’s discontinued products.] ati.amd.com
* [http://www.typewritercentres.co.uk/technical/ati.htm Mirror of ATI Drive Page]