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Guru3D.com » Review » ASUS P6T DeLuxe review - X58 motherboard » Page 2

ASUS P6T DeLuxe review - X58 motherboard - 2 - The Tylersburg perplexity

by Hilbert Hagedoorn on: 11/05/2008 02:00 PM [ ] 0 comment(s)

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So then, first our standard snippet of info on X58, the heart of this motherboard.

As you guys learned through my previous articles, there are some distinctive new features about the Core i7 processor that make some challenging new design features for the mainboard. We explained in the Core i7 article that QuickPath replaces the Frontside Bus (FSB) and Northbridge combo. What you need to be aware of is that it also takes over the role of allowing the CPU to communicate directly with other system components, busses and controllers such as the PCI Express controller and DDR3 memory, which is not only a physical but fundamental change in architecture.

This also changes our concept and understanding of the system clocks. All motherboard busses and components are driven from a single 133.33 MHz base clock. The resulting component speed values are generated by applying a multiplier value to this base clock.

Examples:

  • CPU speed -- When multiplied by the system base clock speed (default 133.33 MHz) gives the CPU frequency. Four multipliers are used to define different speeds based on the number of active CPU cores. But a Core i7 965 processor is driven like this 133.33 MHz x 24mp = 3.2 GHz, fairly easy to understand we think.
  • Memory speed -- When multiplied by the system base clock speed gives the memory frequency. For example a Memory Multiplier of 10 times the base clock of 133.33 MHz results in a memory frequency of 1333 MHz.

Since the Core i7 processor communicates directly with the memory, the controller is now located on the CPU, and no longer in the motherboard chipset. This required an additional set of interconnections to the motherboard.

Though we all learned to love Socket LGA 775, it just doesn’t have enough pins for that CPU based memory controller, so this is the main reason why Socket LGA 1366 is introduced. The socket is called LGA 1366, and as you can always decode from the name pretty easily, it has 1,366 pins and thus connections to the motherboard.

Read this well - if you purchase a Core i7 processor, then you will have to purchase a new mainboard as well, as the two sockets are not compatible in any way, shape, or form. Intel’s X58 chipset therefore, is the first (and currently only) chipset to support this processor. There is however a horrible rumor that yet another LGA socket will surface later in 2009, Socket LGA 1160 for mainstream processors. We feel this is getting a bit tricky, and hopefully Intel will stick to just one new socket, Socket LGA 1366.

ASUS P6T Deluxe X58 motherboard




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Related Articles
ASUS P6T DeLuxe review - X58 motherboard
So ASUS has sent us this early version of their X58 motherboards. Sexy looks, loads of features, heck this motherboard will support up to 24GB of DDR3-1333 memory, thanks to its six DIMM slots. It also has features like a Serial Attached SCSI controller to support higher-end SAS hard drives known from the server industry for power users who desire nothing but the best performance. Next to that, it's just an amazing piece of machinery to look at. Nice black PCB, extravagant connectivity, SLI/ Crossfire compatible, passively cooled. And if you opt the P6T Deluxe OC Palm version, you'll even receive an external little LCD screen showing off the latest system info, widgets and overclocking tools at hand. Very cool.

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