Intel Skulltrail

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Intel Skulltrail
Intel Skulltrail

Intel's Skulltrail is an enthusiast gaming platform that was released on February 19, 2008. It is based on the company's 5400 "Seaburg" workstation chipset. The primary difference between Skulltrail and Intel's current and past enthusiast chipsets is a dual CPU socket design that allows two processors to operate on the same motherboard. Therefore, Skulltrail can operate eight processing cores on one system. The platform supports two Core 2 Extreme QX9775 processors, which operate at 3.2 GHz.

Skulltrail is currently the only platform to support SLI on chipsets not designed by NVIDIA. It achieves this by including two NVIDIA nForce 100 MCP chips. The implementation of SLI supports Quad SLI technology, which is achieved through the use of two dual-GPU graphics cards from NVIDIA, including the GeForce 9800 GX2. This gives a total of 4 Graphics Processors. Owners of Skulltrail systems can also make use of up to four ATI graphics cards using ATI CrossFireX technology, making SkullTrail the only platform to support both SLI and CrossFire multi-GPU technologies.

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[edit] Public demonstrations

Intel demonstrated Skulltrail at Intel Developer Forum Fall 2007 in San Francisco, USA, and at the Consumer Electronics Show 2008 at Las Vegas.

Skulltrail has a front side bus rate of 400 MHz (1600 MHz QDR), and was demonstrated with two 45 nanometer High-K processors running at 3.2 GHz. During IDF, a 4.0 GHz phase cooled Skulltrail system was demonstrated. Then on October 22, 2007, the two processors were demonstrated running at 4.4 GHz, water cooled. They were demonstrated again on October 31, 2007, this time running at 5.0 GHz, phase cooled. On April 18, 2008 Tom's Hardware, reporting from an Overclocking Enthusiast site, reported that an overclocked speed of 6.006 GHz was achieved on an 8-core Skulltrail setup.

[edit] System components

[edit] Core 2 Extreme QX9775

[edit] Intel D5400XS motherboard

[edit] Criticisms and issues

Although found to be an extremely powerful computing platform, Skulltrail has been criticized by media outlets for being "ahead of its time". This is in part due to the lack of support for 8-core computing with many popular game engines, in addition to the extremely high price of the components involved. The use of FB-DIMMs due to the workstation chipset has also been pointed at as a major limiting factor for Skulltrail.[1][2][3]

The base Skulltrail platform consists an Intel D5400XS mainboard which will cost upwards of US$ 600 when it hits the market as a standalone part. Computers based on the Skulltrail platform will also require high-output power supplies for both the CPU and graphics cards, along with computer chassis capable of accommodating the motherboard, which is based on an Extended ATX form factor design. However, Atomic has reported that they can fit a cheaper Xeon server microprocessors.

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