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VIA VN1000 Digital Media Chipset

This product is available fully ROHS-compliant.
Brings Blu-ray playback, DirectX 10.1 graphics and DDR3 memory support to next-generation small form factor and all-in-one desktop PCs

The VIA VN1000 digital media north bridge chipset is designed for next generation desktop, small form factor and all-in-one PCs, offering a world-class HD multimedia entertainment platform. Compatible with the advanced desktop features of Microsoft Windows 7, the VIA VN1000 features the VIA Chrome® 520, a genuine integrated Directx10.1 capable graphics core that offers a best-in-class gaming experience for the latest gaming titles.

Combined with VIA Nano and VIA Nano 3000 Series processors, the VIA VN1000 offers a power-efficient entertainment-focused platform that makes light work of HD video and the latest Blu-ray playback. The ChromotionHD 2.0 video processor guarantees smooth playback of the latest Blu-ray titles with superb hardware acceleration of the most demanding HD codecs at HDTV resolutions of 1080p and above. The VIA VN1000 also features the latest display technologies, including Display Port and HDMI support as well as options for dual and single channel LVDS, DVI and VGA outputs.


VIA VN1000 Feature Highlights

VIA Chrome® 520 DX10.1 Graphics CoreVIA Chrome logo

The VIA Chrome® 520 is an industry leading, low power and fully integrated graphics processor, combining a fully programmable DirectX 10.1 graphics engine, with a number of enhanced features that include support for anti-aliasing, additional instructions for AA quality, individual blend per render targeting, texture cube array support, FP32 filter and blendable SNORM formats.

The VIA Chrome® 520 has 32 stream processors and 4 sampling units, supports Shader Model 4, OpenGL 3.0 and OpenCL 1.0 for next-generation GPGPU applications. The VIA VN1000 has a 128-bit 2D graphics engine with GDI/GDI+ acceleration, hardware 2D rotation, true color hardware cursor with 256-level blending.

The VIA Chrome® 520 supports the latest Windows Desktop Driver Model 1.1, which offers significant gains in system memory efficiency, overall desktop responsiveness and an improved visual experience compared to WDDM 1.0. This makes the platforms based on the VIA VN1000 the ideal choice for Windows 7 systems that employ the latest Aero graphical user interface.

The VIA ChromotionHD 2.0

The VIA VN1000 digital media chipset features the ChromotionHD 2.0 fully programmable vide engine that supports the latest video codecs including full Blu-ray support at true HD screen resolutions, including HDTV resolution playback of MPEG-2, WMV-HD, VC-1 and H.264 content. Additional enhancements include motion compensation, transform, de-blocking, full VLD support, and AVS support.

User controllable effects for an enhanced video playback experience include per-pixel de-interlacing, gamma correction, de-blocking, sharpening, emboss and neon effects and non-linear support of for widescreen display scaling.

Full frame rate playback of MPEG-2, H.264 and Windows Media Video-based codecs including VC-1 at full 1080p resolutions is assisted by hardware acceleration assistance and include Advanced Profile level 3 support on WMV/VC-1 content and High Profile level 4.1 for H.264-based content.

Advanced Display Connectivity

Integrated display support includes a dedicated CRT interface, integrated LVVDS transmitter, a multiplexed display interface for DisplayPort and HDMI and 12-bit digital video output port (DVP) to external HMDI/LVDS/DVI transmitter. DuoView support allows multi-monitor extended desktop support where two independent display engines can display different content at different resolutions, pixel depths and refresh rates.

VIA Vinyl HD Audio

As the PC platform increasingly becomes the central device for home entertainment, the HD Audio codecs provide home theatre quality performance with support for the latest high definition audio content in Blu-ray and other popular HD audio formats.

The VIA Vinyl HD audio codec is a low power, high-fidelity 8-channel high definition audio codec designed for desktop PC audio systems, supporting QSound, DTS Connect, Dolby1 Digital Live, Dolby PCEE program, SRS Lab and Creative technologies. Blu-ray and HD DVD Audi Content protection is also supported for full-rate lossless DVD audio, Blu-ray DVD, and HD DVD audio content playback.

Advanced Memory Controller

The VIA VN1000 uses the VIA FastStream64 memory controller which enables lightening fast memory access speeds and optimal system performance, supporting up to 8GB of both DDR2 modes up to 800MHz and DDR3 modes up to 1066MHz in dual-channel symmetric mode with 64-bit data width for each channel.

Supporting two unbuffered double-sided DIMMs and up to 32GB of physical memory for each channel, the VIA FastStream64 memory controller includes programmable I/O drive capability for memory address, data and control signals, support for DRAN request and response re-order, distant write merge, and command scheduling for maximum DRAM bus utilization.


VIA VN1000 Block Diagram

VIA VN1000 Key Features

Features

VN1000 North Bridge

Processor Support

VIA Nano, VIA C7, C7-D and Eden® (V4) processors

PowerSaver™ Support

Yes

VIA V4 Bus

400/800 MHz

Memory Support

DDR2 677/800 and DDR3 800/1066

Max Memory

16GB

PCI Express

One 8-lane, four 1-lane

North/South Bridge Link

Ultra V-Link (1GB/s)

Graphics Core

VIA Chrome® 520

DirectX Graphics

DirectX10.1

Video Acceleration

H.264, WMV, MPEG-2, MPEG-4

HDTV support

Yes – HTDV resolutions inc 1080p, 1080i and 720P

Multi-Display Support

Yes – including dual HDMI DisplayPort and LVDS

The VIA VN1000 north bridge is designed to work in tandem with the latest VIA VT8261 south bridge. For information about the VIA VT8261 please click here.


Resources

VIA VN1000 press release
VIA VN1000 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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