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VIA Pro266T
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VIA Pro266T Chipset

The VIA Apollo Pro 266T is an efficient, cost-effective, flexible chipset solution for Socket 370 systems based on the Intel® Pentium® III, Intel® Celeron™ & VIA C3® Processors, across a full spectrum of applications. Through its V-Link memory controller architecture, the VIA Apollo Pro266T chipset supports up to 4.0GB of DDR200/266 SDRAM at a peak bandwidth of 2.1GB per second. These memory technologies provide the bandwidth and performance necessary for even demanding Internet and 3D graphics applications at a minimal cost premium over PC133 SDRAM. DDR266 SDRAM lowers memory power consumption as well, providing the ideal solution for small form factor desktops and notebooks. The VIA Pro266T has a flexible 133/100/66 MHz front side bus, and its asynchronous bus design are also ideal for Pentium® III, Celeron™ & VIA C3® processors. An AGP 4X/2X controller enables connection with external graphics cards, and a V-link chip interconnect offers 266MB/s of bandwidth between the North and South Bridges.

In combination with the VIA VT8233 South Bridge Controller (see the block diagram below), the VIA Pro266T supports 3Com 10/100 Ethernet Media Access Controller, HomePNA, AC'97 audio, and MC'97 modem. Additional key features include support for 6 USB ports, ATA 100 and Advanced Power Management.
Features of VIA Pro266T

Features
Benefits
200/266MHz Memory Bus Maximizes the performance of Value PCs and Internet Appliances at minimal extra cost through support for high-speed DDR200/266
Flexible 66/100/133MHz Front Side Bus Settings Optimizes the performance of a complete range of Intel® Pentium® III, Intel® Celeron™, and the VIA C3® processors running at a variety of FSB speeds.
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 and MC'97 Modem
Provides cost-effective solution for delivering high-quality audio capabilities* and enables low-cost connectivity to the Internet through an ACR fax/modem module.
Integrated 3Com 10/100 MAC controller (VT8233C) Leading edge technology to give network ready status to VIA Apollo Pro266T based systems.
Support for Six 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.
Block Diagram

Key Features

» Supports Intel? Pentium? III (including Tualatin), Intel? Celeron™ & VIA C3® Processors
» 66/100/133MHz 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 3Com 10/100 MAC controller
» Support for ATA 33/66/100
» 6 USB ports, UHCI compliant
» Advanced power management capabilities
» 552-pin BGA VT8653 North Bridge
» 376 -pin BGA VT8233 South Bridge
Tech Support

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

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