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South Bridge

» VIA VT8237R Plus

Intuitive Technologies Powering the Pentium® 4 Platform

This product is available fully ROHS-compliant.

Optimized for the Intel® Pentium® 4 processor, the VIA PT880 chipset features support for 800MHz FSB, Hyper-Threading, AGP 8X and includes the new VIA DualStream64™ dual channel DDR400 memory controller. Paired with the acclaimed VIA VT8237R Plus South Bridge, the PT880 provides professionals and PC enthusiasts with unparalleled performance in demanding 3D graphics and multimedia applications, as well as a full arsenal of multimedia and I/O connectivity options including native Serial ATA/RAID, 8 Channel Audio, and Gigabit Ethernet.

Harnessing revolutionary new intuitive technologies, the VIA DualStream64™ memory controller enables lightning fast access to system memory and optimum system performance through an enhanced data prefetch protocol and improved memory branch predictions. Further performance enhancements include a larger on-chip branch table and a tighter read/write turn-around for improved clock timings. Furthermore, with an asynchronous bus design, the PT880 allows maximum system flexibility and optimization options, as is often demanded by today's power users.

Featuring the VIA DriveStation™ Controller Suite, the VIA VT8237R Plus South Bridge provides the most comprehensive support 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, RAID 0+1, and JBOD configurations. The VT8237R Plus also features the VIA Vinyl Multichannel Audio Suite for superlative 6-channel and 8-channel immersion audio. VIA's Advanced Connectivity Suite offers a host of high-bandwidth connectivity options, including support for the VIA Gigabit Ethernet companion chip, integrated 10/100Mbps Fast Ethernet and up to eight high-speed USB 2.0 ports.

The PT880 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 Ultra V-Link interconnect running at speeds of up to 1066MB/s between the North and South Bridge.

Features of VIA PT880

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 Ultra V-Link (1066MB/sec)

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

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


VIA Velocity Gigabit Ethernet companion controller

VIA integrated 10/100 Fast Ethernet

Modem MC'97
PCI Devices/Slots

6 slots

Dual PCI-X bus support through VIA VPX2 I/O expansion bridge


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 PT880

VIA DualStream64 is the world's most intelligent dual channel memory controller featuring revolutionary new intuitive technologies. The VIA DualStream64™ memory controller enables lightning fast access to system memory and optimum system performance through an enhanced data prefetch protocol and improved memory branch predictions. Further performance enhancements include a larger on-chip branch table and a tighter read/write turn-around for improved clock timings.

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. 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
» Hyper-Threading Technology support
» 800/533/400MHz FSB settings
» Supports up to 8GB Dual Channel DDR400/333/266
» Support for AGP 8X/4X
» Asynchronous bus architecture
» 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
» 819-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 PT880 presentation
VIA PT880 white paper
VIA PT880 product brochure
DualStream64™ vs. Single Channel
An informative article at VIA Arena outlining the benefits of DualStream64™ technology. » Learn more ...
VIA PT880 image kit (hi-res) / VIA PT880 image kit (low-res)

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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