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VIA P4M900

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South Bridge

» VIA VT8251

VIA P4M900: Delivering DirectX 9 Capabilities and PCI Express Connectivity for Intel® Processor Platform

This product is available fully ROHS-compliant.
 
VIA P4M900 and Vista
The P4M900 chipset has been awarded the Windows Vista Basic logo. The testing involved in the certification process guarantees a reliable and trouble free installation and usage of the Ultimate, Enterprise, Business, Home Premium and Home Basic editions of Microsoft Windows Vista.

The VIA P4M900 chipset with its Integrated Graphics Processor (IGP) and PCI Express connectivity enables leading OEMs and SIs to create a flexible range of Microsoft® Windows Vista™ -ready solutions for the Intel® processor platform including support for the latest Intel® Core™2 Duo processors.

Featuring the VIA Chrome® 9 HC IGP (Integrated Graphics Processor) core, the VIA P4M900 delivers DirectX® 9 graphics support with hardware pixel shaders to meet the requirements of the upcoming Windows® Vista™ operating system, and rising high definition video requirements. With additional support for the latest PCI Express add-in graphics cards, the VIA P4M900 provides SIs and OEMs an unparalleled level of performance and flexibility to develop a wide range of next-generation systems in multiple market segments capable of taking advantage of the extended visual desktop experience Microsoft Windows Vista has to offer.

The core of the VIA P4M900 North Bridge lies the VIA Chrome® 9 HC IGP, delivering a rich visual experience through the implementation of innovative features such a 128 bit 2D/3D engine with dual pixel pipeline. The P4M900 also features extensive display support for all HDTV output formats including 1920x1080p when coupled with an HDTV encoder, and additional advanced graphics capabilities include the Chromotion Video Display Engine, comprehensive de-interlace support, and DuoView™ for enhanced productivity and presentation capabilities. The P4M900's highly flexible architecture also allows for an external PCI Express x16 port for optional graphic card upgrades.

Enabling support for up to 1066MHz FSB Intel processor based systems including support for DDR2 memory, the VIA P4M900 features the high-bandwidth Ultra V-Link bus for a connection to VIA’s outstanding range of South Bridge solutions including the VIA VT8237A with its integrated VIA Vinyl™ Multichannel Audio Suite, delivering rich, High Definition audio at resolutions as high as 32-bit/192kHz, while the VIA Advanced Connectivity Suite offers a wide range of high-bandwidth connectivity options, including support for up to eight high-speed USB 2.0 ports and high-throughput 10/100 Mb/s Fast Ethernet.

The VIA VT8237A also features the VIA Vinyl™ Multichannel HD Audio Suite for superlative integrated and onboard eight-channel surround sound, and offers a host of high-bandwidth connectivity options, including support for the VIA Velocity Gigabit Ethernet companion chip, integrated 10/100Mbps Fast Ethernet and up to eight high-speed USB 2.0 ports.

The VIA P4M900 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 1GB/s between the North and South Bridge.


Features of VIA P4M900

Feature
VIA P4M900
North Bridge  
Processor Support

Intel® Pentium® 4, Celeron, and Core™2 Duo Processors

Front Side Bus

1066/800/533/400MHz

Graphics / Video Integrated VIA Chrome® 9 HC IGP
  • DirectX® 9.0 engine
  • Pixel Shader 2.0
  • Dual pixel pipeline
  • 128-bit 2D/3D engine
  • 250MHz engine clock speed Optional external PCI Express x16 interface
  • South Bridge VIA VT8251
    North/South Bridge Link

    Ultra V-Link (1GHz/s)

    Audio

    VIA Vinyl™ HD Audio (AC'97 integrated)
    VIA Vinyl™ Gold HD Audio (PCI companion controller)

    Network

    VIA Velocity™ Gigabit Ethernet (PCI companion controller)
    VIA integrated 10/100 Fast Ethernet

    Modem

    MC'97

    PCI Devices/Slots

    6 slots

    SATA

    Four-Channel Serial ATA supports 4 SATA 3.0Gb/s devices

    V-RAID

    RAID 0, RAID 1, RAID 0+1, RAID 5 & JBOD (SATA)

    PATA

    Parallel ATA 133 (up to 4 devices)

    USB 2.0

    8 ports

    I/O Protocols

    I/O APIC / LPC Super I/0

    Power Management

    ACPI/APM/PCI/PM


    Benefits of VIA P4M900

    Integrated Graphics Technology
    The VIA Chrome® 9 HC IGP delivers exceptional integrated graphics and video playback performance for the latest 3D and digital media applications, without the need and expense of an external AGP or PCI Express graphics card.

    Ultra V-Link Bus

    Delivering data throughput speeds of up to 1GB/s from the VIA VT8251 South Bridge to the VIA P4M900 North Bridge, the Ultra V-Link interface delivers the necessary bandwidth and low latency required by today's increasingly demanding multimedia applications.

    Native Serial ATA/RAID Support
    The VIA DriveStation™ Controller Suite with native four channel Serial ATA/RAID controller, provides direct support for four 150MB/s Serial ATA II devices. The V-RAID controller features native RAID 0, RAID 1, RAID 0+1, RAID 5 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 HD Audio surround sound and VIA Vinyl Gold HD Audio surround sound enables crisp, clear performance, representing the highest levels of audio quality in a mainstream integrated or onboard solution.

    Unified VIA Hyperion Pro 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 Intel® processors including support for the latest Intel® Core™ Duo processors
    » Integrated VIA Chrome® 9 HC IGP
    » Support for external PCI Express x16 port
    » Ultra V-Link 1GHz/s high bandwidth North/South Bridge interconnect
    » Integrated VIA Vinyl HD Audio and support for Vinyl Gold Multichannel HD Audio Suite
    » Serial ATA II support for up to 4 devices
    » Integrated V-RAID with RAID 0, RAID 1, RAID 0+1, RAID 5 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 Gigabit Ethernet companion controller & Integrated 10/100 Fast Ethernet MAC
    » Integrated MC'97 Modem
    » Advanced power management capabilities including ACPI/OnNow
    » 951-pin HSBGA North Bridge
    » 645-pin BGA VT8251 South Bridge

    Resources

    VIA P4M900 press release
    VIA P4M900 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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