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9/27/2006
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How To: Building A Viiv PC

Intel's Viiv entertainment PC platform is aimed at bringing the horsepower necessary to handle all the multimedia functions of the digital home.

Intel's latest advertising campaign ensures that consumers will want to see the Viiv logo on every new computer they buy. It's therefore import for system builders and solution providers to know what Viiv is all about. But what does it take to build Viiv-compliant systems, and what can home integrators deliver to their customers using Viiv technology?

Viiv, which rhymes with hive, sounds like new technology, but it doesn't really bring anything new to PCs that hasn't already been available. However, new functionality will soon be available. Like the Centrino branding campaign, Viiv really just specifies the ingredients that make an Intel-based computer suitable for home entertainment use. Products bearing the Viiv logo will properly integrate with other equipment in a digital home entertainment network.

Viiv specifications ensure that computers will have enough horsepower to perform multiple tasks at once. This lets users play games while downloading movies, watch one TV show while recording another, edit photos while someone else watches streamed video in another room and so on, all from the same PC.

It doesn't take much to support Viiv as long as a motherboard contains the latest parts; of course the system must also run the Windows XP Media Center Edition (MCE) 2005 operating system. Hardware-wise, Viiv specifies a chipset that is from one of the Intel 945/955/975 Express chipset families. Viiv also specifies an Intel dual-core processor, including the Pentium D, Core Duo and Pentium Extreme Edition.

Another important Viiv ingredient is an NCQ SATA Hard Drive. NCQ stands for Native Command Queuing, which increases a SATA drive's performance by letting it receive more than one I/O request at a time and letting the drive itself determine the order in which to carry out the requests. A remote control is not required for Viiv compliance, but Windows MCE does require a Phillips Key Code MCE-Type remote for full functionality.

A Viiv-compliant motherboard featuring a 945, 955 or 975 chipset must also include an Intel ICH7-DH chip (the DH stands for Digital Home). The ICH7-DH enables Intel's Matrix Storage Technology which supports NCQ hard drives and RAID 0, 1, 5, and 10. The ICH7-DH can take advantage of NCQ without needing an actual RAID array or more than one hard drive. Viiv also specifies a gigabit NIC, which all three chipsets support.

The 945G chipset supports Intel Pentium D and Pentium4 processors with Hyper-Threading Technology. The chipset also supports dual-channel DDR2 memory, system bus speeds of 1066, 800 and 533 MHz and 3 Gb/s SATA II hard drives. PCI Express is also supported, with an x16 graphics port and x1 I/O ports. The 945G chipset includes an integrated Intel GMA 950 Graphics Media Accelerator which supports 1080i video for high-definition playback.

Intel High Definition Audio is also supported by the 945G chipset with integrated audio circuitry. Viiv specifications call for SPDIF and stereo outputs or 5.1 or better outputs for surround sound capability. Audio outputs can be RCA connectors or 1/8-inch mini jacks, while S/PDIF outputs can be coaxial or optical. The 945G can address up to

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