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South Bridge

» VIA VT8237R Plus

Intuitive Technologies Powering the Pentium® 4 Platform

This product is available fully ROHS-compliant.

Supporting 800MHz FSB and Intel® Hyper-Threading Technology, the VIA PT800 chipset implements VIA's advanced FastStream64™ DDR400 Memory Controller and AGP8X graphics port in a synchronized North Bridge configuration that maximizes bus bandwidth efficiency. When coupled with the advanced new VT8237R Plus South Bridge, the VIA PT800 also delivers a host of advanced connectivity and multimedia features, including the industry's first full-featured native Serial ATA/RAID controller and rich surround sound, to provide the most scalable and highest performance core logic chipset platform for mainstream Intel Pentium® 4 processor based PC systems.

Featuring the VIA DriveStation™ Advanced Connectivity Suite, the VIA VT8237R Plus South Bridge provides the most comprehensive set of high-performance integrated storage interface technologies available on the market 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, the first native RAID controller integrated into a South Bridge supporting multiple RAID Level 0, RAID Level 1, and RAID Level 0+1 configurations. The VT8237R Plus also features the VIA Vinyl™ Multichannel Audio Suite for superlative integrated and onboard 5.1 and 7.1 surround sound, and offers a host of high-bandwidth connectivity options, including support for up to eight high-speed USB 2.0 ports and 10/100Mbps Fast Ethernet. The PT800 benefits from VIA's unique V-MAP (VIA Modular Architecture Platform) architecture that facilitates faster product development and speeds up time to market, and features the high-throughput V-Link interconnect running at speeds of up to 533 MB/s between the North and South Bridge.

Features of VIA PT800

North Bridge  
Processor Support Intel® Pentium® 4
Hyper Threading Support Yes
Front Side Bus 800/533/400MHz
Memory Support DualStream64™ - Dual Channel DDR400/333/266 w/ECC
AGP Support AGP 8X/4X
Bus Architecture Asynchronous
Max. Memory 16GB
South Bridge VIA VT8237R Plus
North/South Bridge Link 8X V-Link (533MB/sec)

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


VIA integrated 10/100 Fast Ethernet

Modem MC'97
PCI Devices/Slots

6 slots


Dual Channel Serial ATA supports 2 SATA devices

SATALite™ interface for two additional SATA devices 4 total)

V-RAID RAID 0, RAID 1, and RAID 0+1* & JBOD (SATA)
PATA Dual Channel Parallel ATA133 (up to 4 devices)
USB 8 ports
I/O Protocols I/O APIC / LPC Super I/0
Power Management ACPI/APM/PCI/PM

Benefits of VIA PT800

FastStream64 Technology
VIA FastStream64™ Technology uses an expanded array of prefetch buffers to reduce latency in the memory controller, extending performance at a lower transistor cost than dual channel implementations. With a 400/533/800MHz processor bus and supporting DDR266/333/400 memory, the VIA PT800 provides lightning fast access to system memory, ensuring optimum system performance.

Native Serial ATA/RAID Support
The VIA DriveStation™ Advanced Connectivity 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, and RAID 0+1*, ensuring optimum data integrity and system performance. A user friendly software interface enables easy disk array configuration.

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 5.1 surround sound and VIA Vinyl Gold Audio 7.1 surround sound enables 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.

* 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.

Block Diagram

Key Features

» Supports full range of Intel® Pentium® 4 processors
» Supports Hyper-Threading Technology
» 800/533/400MHz FSB settings
» Supports up to 8GB DDR400/333/266 SDRAM with ECC
» Support for AGP 8X/4X
» V-Link 533 MB/sec high bandwidth North/South Bridge interconnect
» Support for VIA Vinyl™ Multichannel Audio Suite
» Serial ATA support for up to 4 devices
» Integrated V-RAID with RAID 0, RAID 1, RAID 0+1, & 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
» Integrated MC'97 Modem
» Integrated 10/100 Fast Ethernet MAC
» Advanced power management capabilities including ACPI/OnNow
» 858-pin BGA North Bridge
» 539-pin BGA VT8237R Plus South Bridge


VIA P4 Series chipset comparison chart / Download .pdf version
VIA PT880 press release
VIA PT800 product brochure
VIA PT800 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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