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VIA KT133A

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VIA KT133A - A Seamless Path to Greater Performance

The VIA Apollo KT133A chipset adds an ultra-fast 266MHz Front Side Bus and support for second generation PowerNow! technology to the market-leading VIA Apollo KT133, providing a powerful and highly scaleable solution for a complete range of AMD Athlon™ and AMD Duron™ processors. The VIA Apollo KT133A chipset provides motherboard manufacturers and OEMs with a seamless path for upgrading existing Socket A product designs to take full advantage of the enhanced performance of the latest AMD Athlon™ processors with a 266MHz Front Side Bus running at speeds up to 1.33GHz.

Featuring flexible 266/200MHz Front Side Bus settings, the VIA Apollo KT133A is designed to optimise the performance of a complete range of AMD Athlon™ and AMD Duron™ processors, including the latest generation of AMD Athlon™ processors with a 266MHz Front Side Bus. Through its advanced memory controller architecture, the VIA Apollo KT133A chipset supports up to 1.5GB of high-speed PC133 SDRAM and VC133 DRAM. These leading-edge memory technologies provide the bandwidth and performance necessary for even the most demanding Internet and 3D graphics applications. The ATA 33/66/100 interface on the VIA Apollo KT133A chipset helps boost system performance by providing a high-speed connection to the new generation of ATA100 Hard Disk Drives, delivering maximum sustained data transfer rates of 100MB/sec.


Features of VIA KT133A

Features
Benefits
200/266MHz FSB A single motherboard design for 200/266MHz FSB AMD Athlon™ and Duron™ processors.
AGP4X Enables the graphics controller to access the main memory at double the speed of previous platforms, ensuring rich 3D graphics and video performance.
133MHz Memory Bus Maximizes the performance of AMD Athlon™ processor-based PC systems at minimal extra cost through support for high-speed PC133 SDRAM and Virtual Channel RAM.
ATA 66 Support Enhances PC system responsiveness through high-speed HDD connections.
AC-97 Audio Provides cost-effective solution for delivering high-quality audio capabilities.*
MC-97 Modem Enables low-cost connectivity to the Internet through an ACR Fax/Modem module.
Support for Four USB Ports Provides convenient plug and play connections to the growing number of USB peripherals and enables Legacy Free system designs.

*Requires onboard audio Codec or ACR expansion slot on the motherboard.


Benefits of VIA KT133A

Innovative & Scalable Architecture
The VIA Apollo KT133A is based on an innovative and scalable architecture with proven reliability and performance. It is a two-chip set consisting of the VT8363A North Bridge controller and the VT82C686B South Bridge controller. Additional key features include support four USB ports, AC-97 link for audio and modem, hardware monitoring, and power management.


Block Diagram

Key Features

» Supports AMD Athlon™ and Duron™ processors
» 200/266MHz FSB Settings
» Support for AGP 2X/4X
» Supports up to 1.5GB PC100/133 SDRAM and Virtual Channel memory
» Support for Advanced Communications Riser (ACR) Card Standard
» Integrated 2 Channel AC-97 Audio
» Integrated MC-97 Modem
» Support for ATA 33/66/100
» 4 USB ports, UHCI compliant
» Integrated hardware monitoring
» Advanced power management capabilities including ACPI/OnNow and AMD PowerNow™
» 552-pin BGA VT8363A North Bridge
» 352 -pin BGA VT82C686B South Bridge


Resources

VIA KT133A product brochure

Tech Support

If you should have problems or questions setting up or running your VIA product, we offer comprehensive technical support here and you can find the latest device drivers, as well as helpful forums to discuss and solve your problems.


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