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» VIA VT8235


This product is available fully ROHS-compliant.

Combining a fully integrated video processing feature set, 2D/3D graphics engine and ultra efficient VIA DDR memory controller, the VIA CLE266 Chipset is designed to enable high quality digital video streaming and digital video playback in a new generation of fanless, small form factor PCs and IA devices.

The VIA CLE266 chipset is the product of a new vision, blending the power of VIA DDR Chipset technology with the features required for a complete range of digital video functions. These include MPEG-2 decoding and video scaling for high quality digital video acceleration and an integrated 128-bit 2D and 64-bit 3D graphics engine with internal AGP 8X and Alpha Blending for multimedia and gaming applications. Supplied with 2.1GB per second of bandwidth from the ultra-fast DDR memory subsystem, the VIA CLE266 enables real world performance in key applications like video streaming or digital video playback that equals that of the most powerful PC systems in production today, while operating as part of a fanless power efficient, low cost device. In addition the CLE266 supports CRT, LCD or TV dual display technology, two Video Capture ports and Picture in Picture functionality for multi-channel capability.

The VIA CLE266 North Bridge is connected to the very latest in South Bridge technology, the VIA VT8235 through a 4X V-Link connection to the North Bridge transferring data at 266MB/s, twice the speed of the conventional PCI bus. This enables CLE266 based systems and devices to take advantage of the integrated support for 6 USB 2.0 ports with 40 times more bandwidth than USB 1.1, as well as ATA-133, the fastest available IDE interface. Additional features include integrated VIA MAC for 10/100Mbps Ethernet, integrated PCI support, 6 Channel Surround Sound AC-97 audio interface and MC-97 modem.

Features of VIA CLE266

North Bridge  
Processor Support VIA Eden®, VIA Antaur™, VIA C3®
Front Side Bus 66/100/133MHz
Memory Channel Single Channel
Memory Support 100/133MHz DDR or SDR
Max Memory 2.0GB
AGP Support AGP 8X (Internal bus, no external port)
Memory Type DDR200/266 (PC1600/2100) or PC100/133 SDRAM
North/South Bridge Link V-link 266MB/s
Graphics Core VIA Chrome® Pro
Hardware Video Acceleration MPEG-2
Dual Monitor Support 2 Contents, 2 Refresh Rates, 2 Resolutions
2D Engine 128 Bit
3D Engine 1 Pipe, 2 Texture, dedicated
Video Support 2 video stream + Alpha Channel
Video Capture Ports 1 x VIP 2.0, 1 x BT.656

Benefits of VIA CLE266

A Leading Edge Digital Video Experience
The integrated VIA 2D/3D 128-bit graphics engine with internal AGP 8X possesses every feature required for digital video. Hardware MPEG-2 decoding delivers must have applications like digital video playback and and video streaming at an equivalent level to today's multi-gigahertz, discrete graphics PC systems, at a fraction of the cost.

High Speed DDR Memory Subsystem
The integrated graphics engine and Socket-370 processor benefit from the 2.1GB/sec of bandwidth available from the DDR memory subsystem ensuring system performance is maximized across the whole spectrum of applications.

Designed for Fanless, Low Power Solutions
The CLE266 has been designed from the ground up to minimize power usage and heat dissipation. The low transistor count in the graphics core and low voltage DDR memory enable passive cooling solutions, while the CLE266 is fully compatible with the latest mobile power management specifications.

Market Leading South Bridge Technology
The VT8235 South Bridge possesses a complete suite of the very latest I/O and communication technologies including USB2.0 enabling peripheral connectivity 40 times faster than in previous generation systems and ATA-133, the fastest IDE interface currently available.

Block Diagram

Key Features

» Supports all VIA processors, Intel® Pentium® III and Intel® Celeron™ Socket 370 processors
» 66/100/133MHz FSB settings
» 100/133MHz DDR/SDR Memory bus settings
» Support for Integrated VIA AGP 8X 2D/3D Graphics
» Supports up to 2.0GB DDR200/266 or PC100/133 SDRAM
» V-Link 266MB/s high bandwidth North/South Bridge interconnect
» Integrated 6 channel Surround Sound AC-97 Audio Interface
» Integrated MC-97 Modem
» Integrated 10/100 Ethernet MAC
» Support for ATA 33/66/100/133
» Support for USB 2.0, 6 USB ports, UHCI compliant
» Advanced power management capabilities including ACPI/OnNow
» 548-pin BGA VT8623 North Bridge
» 487-pin BGA VT8235 South Bridge


Download printer friendly .pdf version
VIA CLE266 press release
VIA CLE266 image kit

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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