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VIA KT266A

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VIA KT266A

Building on the proven power and reliability of the VIA Apollo KT266, the VIA Apollo KT266A further raises the performance bar AMD Athlon™ and AMD Duron™ processor based systems. The VIA Apollo KT266A is the first VIA chipset to feature Performance Driven Design, which includes tightened timings and deeper queues to greatly increase memory and system bus performance. Supporting DDR200/266 memory and a complete range of 200/266MHz Front Side Bus AMD Athlon™ and AMD Duron™ processors, the VIA Apollo KT266A provides lightning fast access to system memory and increased overall system performance.

The VIA Apollo KT266A is part of the V-MAP family of chipsets, which provides pin compatibility across the full range of VIA DDR products. V-MAP, or VIA Modular Architecture Platform, allows motherboard manufacturers, OEMs, and System Integrators to serve different market segments with a single, unified platform design. The VIA Apollo KT266A (model number VT8366A) is completely pin-compatible the VIA Apollo KT266 (VT8366) to ensure rapid time to market. It can be paired with a choice of VT8233/VT8233C South Bridges, which are connected through the chipset's high bandwidth V-Link Hub Architecture. Other key features include AGP4X, ATA-100, and PC133 support, as well as integrated six channel advanced audio, six USB ports, LPC bus, and integrated 10/100Mbps Ethernet and Home PNA, AC-97 audio, MC-97 modem, and support for AMD's second generation PowerNow!™ technology.


Features of VIA KT266A

Features
Benefits
200/266MHz Memory Bus An enhanced memory controller, designed with exceptionally high performance in mind. Supporting DDR200/266 memory, the VIA Apollo KT266A provides lightning fast access to system memory.
Flexible 200/266MHz Front Side Bus Settings The VIA Apollo KT266A supports the AMD Athlon™/Duron™ S2K system bus, running at up to an effective 266MHz. Offering up to 2.1GB/s of bandwidth, the 266MHz system bus perfectly complements the high performance DDR memory subsystem and V-Link bus.
VIA V-MAP VIA Modular Architecture Platforms (V-MAP) allows flexibility when designing a system around the VIA Apollo KT266A chipset, enabling OEMs and System Integrators to reach different market segments with a single platform.
VIA V-Link Hub Architecture Dedicated 266MB/sec link between the North and South Bridge, doubling the bandwidth of the traditional PCI Bus.
AGP4X Interface Ensures vivid 3D graphics and video performance.
ATA-100 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 Six USB Ports Provides convenient Plug 'n' 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 KT266A

Performance Driven Design
The VIA Apollo KT266A features an enhanced memory controller, designed with exceptionally high performance in mind. Supporting DDR200/266 memory, the VIA Apollo KT266A provides lightning fast access to system memory. Timings have been improved, resulting in faster transfers between the synchronized Front Side Bus and Memory Bus. Data queues have been deepened, allowing faster and more efficient access to buffered data. The end result is the industry's fastest DDR memory controller.

VIA Modular Architecture Platform
The VIA Apollo KT266A is part of the family of VIA Modular Architecture Platforms (V-MAP). As a modular solution, the North and South Bridge of the VIA Apollo KT266A are completely pin compatible with current and future products, such as the VT8233C South Bridge with integrated 3Com? Ethernet MAC. V-MAP allows flexibility when designing a system around the VIA Apollo KT266A chipset, enabling OEMs and System Integrators to reach different market segments with a single platform.


Block Diagram

Key Features

» Supports AMD Duron™ and Athlon™ Socket A processors
» 200/266MHz FSB settings
» Support for AGP 2X/4X
» Supports up to 4.0GB DDR200/266 SDRAM as well as PC100/133 SDRAM and Virtual Channel memory
» 266MB/sec high bandwidth North/South Bridge V-Link
» Support for Advanced Communications Riser (ACR) Card Standard
» Integrated 6 channel AC-97 Audio
» Integrated MC-97 Modem
» Integrated 10/100 BaseT Ethernet and 1/10Mb HomePNA controller
» Support for ATA 33/66/100
» 6 USB ports, UHCI compliant
» Advanced power management capabilities including ACPI/OnNow and AMD's PowerNow™
» 552-pin BGA VT8366A North Bridge
» 376-pin BGA VT8233 South Bridge


Resources

VIA KT266A presentation
VIA KT266A white paper
VIA KT266A product brochure
VIA KT266A image kit (mixed)

Tech Support

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