AMD has announced a new graphics card under its wing in the ATI Radeon HD 4890 GPU. This new video card joins the rank of the Dragon series which boasts of 1.35 TeraFLOPS of power. This GPU can be clocked up to almost 1GHz and it has support for DirectX 10.1 titles such as Stormrise from SEGA, Tom Clancy’s H.A.W.X. from Ubisoft and BattleForge from Electronic Arts. What’s great is this graphics card can handle super high resolutions, intense gaming graphics and can be combined with up to three other ATI Radeon HD 4890 cards by using the ATI CrossFireX tech.

The demand for higher capable graphics card is obvious in the market today and AMD aims to cater to these requirements. Whether the intent is for gaming or for graphical designing, the point here is that the higher capacity graphic cards are needed to boost the graphic rendering to produce the needed visualization and pixilation required by users today.

Other features include ATI Stream technology, Unified Video Decoder 2.0, HDMI support, 7.1 surround sound and more. Eventually this card will be included in PCs from Diamond Multimedia, MSI, ASUS and others, though you can buy it outright right now for $250.

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Nvidia has announced their latest graphic card solution, obviously aimed at the high influx of 3D. They are quite expensive and are sure to be aiming the businesses like Dreamworks and Pixar as far as better solutions for 3D graphics rendering. Let it be known though that this new Nvidia Quadro graphics card is not really meant for gaming. It is purely for business!

Whether designing the next aircraft or delivering seven-day weather forecasts, today’s professionals seek a reliable, robust visualization platform designed to address their unique challenges and needs. Highlighting a decade of innovation that match the exact needs of professionals, NVIDIA today introduced its most powerful and advanced top-to-bottom line of Quadro professional GPU solutions available to date.

Based on the company’s revolutionary CUDA parallel computing architecture, this new series provides high-performance visualization and new capabilities to solve highly complex challenges such as: real-time ray tracing, video encoding and interactive volume rendering. These new solutions also contain added graphics memory, double precision support and advanced display capabilities, giving professionals the right features to move beyond visualization barriers, reducing time-to-insight.

NVIDIA Quadro solutions are widely available through leading system manufacturers such as Dell, Fujistu-Siemens, HP and Lenovo; leading workstation system integrators; and NVIDIA channel partners PNY Technologies (US and EMEA), Leadtek (APAC) and Elsa (Japan).

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Here is another of the many graphic cards being released in the market. The Quadro NVS 420 Graphics Card is said to be able to support up to four monitors with a resolution of 2,560 by 1,600 pixels each.

The Quadro NVS 420 is designed for smaller desktop systems that require multidisplay support. The graphic card has a total of 16 processor cores on two GPUs and a total of 512 MB of memory with a bandwidth of 11.2 GB per second per processor.

What makes this new graphics card from Nvidia is that it only consumes 40 watts of power. The card supports either Intel’s or Advanced Micro Devices’ microarchitectures as well as Microsoft Windows or Linux operating systems. The NVS 420 is expected to be available next month with a suggested retail price of $499.

Nvidia has customarily been strong in the high end of the graphics market but has recently announced plans to release products in the middle of the year that would fit in low-cost mini-laptops, a fast-growing segment of the PC market.

That bit of news is surely something many PC geeks are sure to love.

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Why computers not show correct date and time?

In PC, the date and time not shown properly.The time and date count only when we switch on the PC. Because failure of battery in motherboard .The battery is there as shown in left side figure.

The battery is used for two purposes: to feed the configuration memory (also called CMOS) and to feed the real time clock of the computer (the one that show the date and the time).

The motherboard battery come with three different technologies: Nickel-cadmium (NiCd), NVRAM (Non-Volatile RAM) and Lithium (Li).

The lithium battery may use basically three socket types: socket with upper tab , socket with lateral tab and the socket into which the battery stands instead of lying .

The above figures are different types of batterys in motherboard.Replace those batterys for getting correct date and time.

Go through this link for learn about your PC hardwaresecrets: hardwaresecrets.com