Intel G45 Express Chipset Information
On a motherboard, the chipset is essentially a traffic controller that manages the communication between the processor, RAM, hard drive and add-in cards. Chipsets have become increasingly more complex to the point where they now determine many of a motherboard's features. The Intel G45 Express chipset, released in 2008, is designed to add a number of multimedia features that previously would have been available only in more expensive machines.
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Processor and RAM Support
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The Intel G45 Express chipset supports Socket 775 processors. Socket 775 processors include Intel products such as the Core 2 Duo, Core 2 Quad and certain Celeron processors with bus speeds up to 1333 MHz. The chipset supports both DDR2-SDRAM and DDR3-SDRAM. However, the RAM that is compatible with a given motherboard depends on the memory sockets the motherboard is equipped with.
Intel Graphics Media Accelerator X4500HD
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The Intel Graphics Media Accelerator (GMA) X4500HD is an integrated video adapter included with motherboards that have the G45 Express chipset. Having an integrated video adapter reduces the cost of building a computer, because it eliminates the need to purchase a separate video card. In computers built for video playback applications, the greatest feature of the GMA X4500HD is its ability to play high-definition video at resolutions up to 2560 x 1600. The GMA X4500HD supports protected content, giving it the ability to play movies on Blu-ray discs. Additionally, the GMA X4500HD supports video output via an HDMI port if implemented by the motherboard manufacturer, giving you the ability to output video directly to a television. The GMA X4500HD also supports 3D video acceleration, but the performance does not compete with gaming-oriented standalone video cards.
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SATA and RAID
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The Intel G45 Express chipset supports up to six internal SATA hard drives, depending on the motherboard manufacturer implementation. The chipset supports several levels of RAID (redundant arrays of independent disks), allowing you to combine several hard drives into a single logical volume for increased speed or data security.
PCI Express
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Although the built-in Intel GMA video of the G45 Express chipset is not ideal for serious computer gaming, motherboards with the G45 Express chipset have a PCI Express x16 slot for a high-speed standalone video card. Additionally, G45 Express-based motherboards may have up to six PCI Express x1 slots for additional add-in cards.
Intel Turbo Memory
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The G45 Express chipset supports Intel Turbo Memory, which allows the motherboard to intelligently cache your most frequently accessed data on a flash memory card connected to a socket on the motherboard. If implemented by the motherboard manufacturer, Intel Turbo Memory can lead to greatly decreased operating system boot and application loading times.
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