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2D/3D graphics chipset targets mobile Vista devices
Jan. 26, 2007

Via Technologies is shipping a new mobile graphics processor chipset targeting notebook and ultra-mobile PCs, and certified "Vista Basic Ready" by Microsoft. The VN896 chipset integrates 3D and 2D accelerators, and offers "unsurpassed visual clarity," according to the company.

The VN896 features Via's Chrome9T HC integrated graphics processor (IGP), which implements both a 2D accelerator and a high-performance, DirectX 9.0 3D accelerator. Via claims that its 3D graphics engine implementation is unique in its ability to provide simultaneous usage of single-pass multitexturing and single-cycle trilinear filtering, resulting in "stunning" image quality without performance loss.


VN896 block diagram
(Click image for larger view)

The VN896 supports both Via's C7 and Intel's Pentium M processors.

The chipset is optimized for ultra-low power consumption, and implements dynamic CKE and clock grating to minimize DDR SDRAM power consumption for maximum battery life in mobile devices, according to Via. When paired with the Via C7-M processor, the VN896 supports "Via PowerSaver," which acts as a throttle to lower the CPU's frequency and voltage when the workload is light, reducing overall CPU power consumption by up to 50 percent, the company adds.

A high bandwidth "Via V4" bus supports communication between the chipset's North and South bridges at 533MB/sec. When combined with South bridges like the VT8237A or VT8237R Plus and related companion chips, the VN896 provides a "comprehensive range" of storage, multimedia, and connectivity features, including native Serial ATA, LVDS, TV encoder, support for 6-channel or 8-channel Via Vinyl Audio, VIA Velocity Gigabit Ethernet and wireless LAN connectivity, USB 2.0, and 1394, according to Via.

Via VP of product marketing Chewei Lin stated, "As computing increasingly goes mobile, the VN896 mobile chipset offers unparalleled visual quality for a rich digital media experience. Coupled with its advanced power saving features, it's an excellent choice for notebooks and even smaller, ultra mobile devices requiring superior performance and extensive peripheral connectivity."



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