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VIA K8T800 Pro

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South Bridge

» VIA VT8237R Plus

VIA K8T800 Pro - Raising the Performance Bar for AMD64 Processor Based Platforms

This product is available fully ROHS-compliant.

Featuring a new asynchronous bus architecture for greater system tuning options, the VIA K8T800 Pro chipset is optimized for the latest AMD Athlon™ 64, Athlon 64 FX and Opteron processors, pushing performance of 64-bit capable Performance Desktop PCs and Workstations to new levels.

Utilizing VIA's unique Hyper8 technology, the VIA K8T800 Pro features a high bandwidth HyperTransport processor-to-chipset link, which ensures all AMD64 processor-based systems achieve their full performance potential, and provides headroom to support forthcoming versions of AMD64 processors.

The asynchronous bus architecture of VIA K8T800 Pro enables the AGP and PCI buses to be locked if the system's front side bus or clock multiplier are adjusted for faster system performance, allowing power users to squeeze the very most out of their AMD64 processor based system.

In combination with the VIA VT8237R Plus South Bridge, featuring the advanced VIA DriveStation™ Controller Suite, the VIA K8T800 Pro enables the most comprehensive range of high-performance integrated storage and cutting edge multimedia technologies available on the AMD64 platform today. In addition to enabling high-speed 150MB/s dual channel connections to Serial ATA Hard Drives while retaining support for up to four Parallel ATA-133 devices, it combines exceptionally fast disk data transfer rates and optimal data integrity with easy installation and manageability through V-RAID, a revolutionary native RAID controller integrated into the South Bridge with support for multiple RAID configurations.

The VT8237R Plus also supports the VIA Vinyl Multichannel Audio Suite, for superlative 6-channel or 8-channel immersion audio support, while the VIA Advanced Connectivity Suite offers a host of high-bandwidth connectivity options, including support for the VIA Velocity™ Gigabit Ethernet companion controller, integrated 10/100Mbps Fast Ethernet and up to eight high-speed USB 2.0 ports.

As part of VIA's unique Modular Architecture Platform (V-MAP), the K8T800 Pro features the high-throughput Ultra V-Link bus, which links the chipset's North and South Bridges at speeds of up to 1066MB/s, and minimizes design times and time-to-market for motherboard partners through a flexible, pin-compatible design approach for VIA core-logic solutions. Motherboard partners are able to cover multiple market segments with fewer design resources, and also benefit from a single unified driver base.

Features of VIA K8T800 Pro

VIA K8T800 Pro
North Bridge  
Processor Support AMD Athlon™64, Athlon™64FX & Opteron™ processors
Front Side Bus HyperTransport Bus Link
Bus Architecture Asynchronous
Memory Support DDR memory controller integrated directly into processor¹
AGP Support AGP8X / 4X
South Bridge VIA VT8237R Plus
North/South Bridge Link Ultra V-Link (1066MB/s)

VIA Vinyl™ 6-channel Audio (AC'97 integrated)

VIA Vinyl™ Gold 8-channel Audio² (PCI companion controller)


VIA Velocity™ Gigabit Ethernet (PCI companion controller)

VIA integrated 10/100 Fast Ethernet


2 x SATA 150 devices

SATALite™ interface for two additional SATA devices (4 total)

V-RAID RAID 0, RAID 1, and RAID 0+1³ & JBOD (SATA)
IDE ATA133 (up to 4 devices)
USB 8 ports
PCI Devices/Slots

6 slots

Modem MC'97
I/O Protocols I/O APIC / LPC Super I/0
Power Management ACPI/APM/PCI/PM

¹ Please refer to AMD validated AMD64 Processor Compatible DDR Memory Modules

² 8-channel audio requires addition of VIA Vinyl Gold companion controller

³ RAID Level 0+1 requires four Serial ATA drives; support for the two additional drives can only be implemented with two external Serial ATA ports enabled through a SATALite PHY.

Benefits of VIA K8T800 Pro

Asynchronous Bus Architecture
The VIA K8T800 Pro's new asynchronous bus architecture enables power users to fully optimize their system settings for the ultimate PC gaming and entertainment experience, while maintaining platform stability.

Ultra V-Link Bus
Delivering data throughput speeds of up to 1066 MB/s from the VIA VT8237R Plus South Bridge to the VIA K8T800 Pro North Bridge, the Ultra V-Link interface delivers the necessary bandwidth and low latency required by today's increasingly demanding multimedia applications. Not only does Ultra V-Link speed up data transfer rates, it also addresses potential bottlenecks on the South Bridge that may be created by the growing use of high-speed USB2.0 and 1394 peripherals.

VIA Modular Architecture Platform
The VIA K8T800 Pro is part of VIA's unique Modular Architecture Platform (V-MAP), which minimizes design times and time-to-market for motherboard partners through a flexible, pin-compatible design approach for VIA core-logic solutions. Motherboard partners are able to cover multiple market segments with fewer design resources, and also benefit from a single unified driver base.

Native Serial ATA/RAID Support
The VIA DriveStation™ Controller Suite with native dual channel Serial ATA/RAID controller, provides direct support for two 150MB/s Serial ATA devices and its unique SATAlite™ interface expands support for two additional SATA devices. The V-RAID controller features native RAID 0, RAID 1, RAID 0+1 and JBOD, ensuring optimum data integrity and system performance. The user-friendly V-RAID software interface enables easy disk array configuration and management.

VIA Vinyl Multichannel Audio Suite
Delivering rich, warm surround sound at resolutions as high as 24/96 through up to six or eight-channel outputs, the VIA Vinyl Audio and VIA Vinyl Gold Audio enable crisp, clear performance, representing the highest levels of audio quality in a mainstream integrated or onboard solution.

Unified VIA Hyperion 4in1 Drivers
VIA's unified approach to drivers has been established for eight generations of chipsets, allowing end users to benefit from seamless hardware and software compatibility.

Block Diagram

Key Features

» Supports full range of AMD Athlon 64/ Athlon 64 FX/Opteron processors
» Hyper8 Technology enables high-performance HyperTransport bus link between processor and chipset
» Asynchronous bus architecture
» Support for AGP 8X/4X
» Ultra V-Link 1066 MB/sec high bandwidth North/South Bridge interconnect
» Support for VIA Vinyl 6-channel & Vinyl Gold 8-channel Audio**
» Serial ATA support for up to 4 devices
» Integrated V-RAID with RAID 0, RAID 1, RAID 0+1*, and JBOD (SATA) support
» Parallel ATA133/100/66 support for up to 4 devices
» Support for up to 8 USB 2.0/USB 1.1 ports, UHCI compliant
» Support for VIA Velocity Gigabit Ethernet companion controller & Integrated 10/100 Fast Ethernet
» Integrated MC'97 Modem
» Advanced power management capabilities including ACPI/OnNow
» 578-pin BGA North Bridge
» 539-pin BGA VT8237R Plus South Bridge


VIA K8 Series chipset comparison chart / Download printer friendly .pdf version
VIA K8T800 Pro press release
VIA K8 Series presentation
VIA K8T800 Pro product brochure
Hyper8™ Technology
Achieving the full performance potential of the chipset. » Learn more ...
What the Media Are Saying
The vote is in! See what people in the know are saying about the VIA K8T800 Pro chipset. » Learn more...
The Running Man
See the K8 Series and Hyper8™ outpacing the pack… » Download video!
VIA K8T800 Pro image kit

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