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Motherboard/chipset/CPU


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#1 Banjo09

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Posted 03 November 2011 - 12:18 AM

How does the CPU of choice relate to the choice of Motherboard and chipset?
If I'm thinking of building a gaming rig using an AMD Phenom II 4x or 6x CPU, what are the things one has to keep in mind when choosing components to match?
Thanks

 Dell Inspiron 3847, i5-4440, 16 GB RAM, 64 bit Win7 Pro


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#2 killerx525

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Posted 03 November 2011 - 12:24 AM

I can't answer the first question but i can answer the second question. You would first have to choose a compatible motherboard, for this instance you would get a AM3 or AM3+ motherboard which will work usually. Also for the motherboard, take note of the chipset it uses, like for AM3+ which has the 970 and 990 chipset. The difference between chipset are usually the features, the higher the more features you will get. Please note that AM3+ is the newest socket and there is the AM3+ processors which are the Bulldozer processor range. I would suggest you look for a 900 series chipset motherboard because this will allow you to use the Bulldozer processor in the future.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#3 DJBPace07

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Posted 03 November 2011 - 07:04 PM

Motherboard, CPU, and chipset are very much related. Certain motherboards can take only certain CPU's, for a number of reasons, and chipsets can determine what features the CPU has along with motherboard features. With chipsets, things get a little more hazy for the consumer as to what it actually does. Typically, a chipset consists of a northbridge and a southbridge. The northbridge communicates between the CPU, RAM, expansion slots, and the southbridge. More recent CPU's have moved the memory controller portion onto the CPU itself. Newer CPU's, Intel's Sandy Bridge and AMD Fusion line (Not the FX series) have the entire northbridge on the CPU. The southbridge handles most everything else, I/O funcationality and ports, interrupts, audio, and IDE. The southbridge is NOT directly linked to the CPU but, instead, to the northbridge. Since the northbridge is, on Fusion and Sandy Bridge CPU's, integrated on the CPU's themselves, the southbridge links directly to the CPU.

As for components, AMD's 900 series chipsets are newer and take both older K10h CPU's, like the Phenom II's, and newer Bulldozer-based FX CPU's. As with all previous AMD chipsets, the numbers do have meaning. The first digit refers to the series, like AMD 900 or 800. The next two determine its market segment, a x70 is considered the base and is good if you are only going to be using a single graphics card, the x80 and x90X, are a slight step up with support for two graphics cards and often come in micro-ATX sizes, the x90FX is the enthusiast line supporting four graphics cards. The x70 models sometimes come with more than one PCI-E X16 slot, this is not part of the chipset feature set but a manufacturer add-on. Becuase the x90FX motherboards are geared for enthusiasts, manufacturers often build those with tougher, more high-grade components. If you are going to be using a single GPU, get a 970, if you are going to be using two or more, a 990FX. If this is a home theater or standard home PC, AMD's Fusion line of APU's are the way to go.

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