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VIA KT266 Chipset

This product is available fully ROHS-compliant.

The VIA Apollo KT266 is an efficient, cost-effective, flexible chipset solution for systems based on the AMD Athlon™ XP and Duron™ Socket A processors, across a full spectrum of applications. With a 64-bit DDR266 SDRAM memory controller and a 266 MHZ front side bus, the KT266 offers efficient system performance. An AGP 4X controller enables connection with external graphics cards, and a V-link chip interconnect offers 266MB/s of bandwidth between North and South Bridge.

The VIA KT266 is paired with the VT8233 South Bridge, which is connected through the chipset's V-Link Hub Architecture. Other key features include ATA-100 support, AC’97 audio, six USB ports, and MC-97 modem.

Features of VIA KT266

200/266MHz Memory Bus Maximizes the performance of high end workstations, PC systems and servers at minimal extra cost through support for high-speed DDR200/266 SDRAM.
Flexible 200/266MHz Front Side Bus Settings Optimizes the performance of new AMD Athlon™ processors running at either 200MHz or 266MHz Front Side Bus.
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 KT266

With a 266 MHz processor bus, 64-bit DDR266 SDRAM memory controller, 266MB/s bus between the north and south bridges, and support for AGP 4X, the VIA Apollo KT266 provides efficient performance for AMD Athlon™ XP and Duron™ processors-based systems.

VIA Stability and Reliability
VIA Chipset Platforms offer a balance of reliability and flexibility derived from using proven, modular components and evolutionary design principles.

Block Diagram

Key Features

» Supports AMD Duron™ and Athlon™ 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 Home PNA 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 VT8366 North Bridge
» 376 -pin BGA VT8233 South Bridge

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