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how to check motherboard speed

post #1 of 8
Thread Starter 
hey everyone, just here to ask one thing that i never understood, i know how to check motherboards for what types of processors they use but i never knew how to check what is the highest speed the motherboards could use. every time i go to tigerdirect and i see a motherboard it will say this

Form Factor: ATX


Processor Interface: Socket 775


Processors Supported: Intel Core 2 Duo, Intel Core 2 Quad, Intel Pentium Dual Core


Additional Technologies: 3-Way SLI


Front Side Bus: 1600MHz


Northbridge: NVIDIA nForce 790i SLI MCP


Number of Slots: 4


Number of Pins: 240-Pin


Maximum Memory Supported: 8GB - 64bit


Memory Supported: Dual Channel Supported
Single Channel Supported
SLI-Ready
2000MHz DDR3
EPP 2.0 Support


Channels: 8 Channels


Audio Chipset: High Definition Audio (HDA)


Supported Devices: 2

i know that it supports duel and guad but how do you read the highest CPU speed it could use? please help me with this.
post #2 of 8
Im pretty sure you can put any cpu with that socket into it and any speed will work.
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post #3 of 8
Quote:
Originally Posted by amder View Post
Im pretty sure you can put any cpu with that socket into it and any speed will work.
Yes. That board will support any 775 CPU out right now.

And "maximum speed" is only limited by how far the FSB and the CPU itself can overclock. There is no "this board can go 6.0ghz and no higher" limitations.
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post #4 of 8
Thread Starter 
oh okay thanks guys, you help me once again.
post #5 of 8
Intel CPU's are sold with rated front side bus speeds. the front side bus is what is refered to as quad-pumped. So, a stock Intel CPU comes in one of 3 flavors, 800, 1066 and 1333. Divide any one of these rated front side bus speeds by 4 to see the front side bus speed. (200, 266, 333 respectively) These FSB speeds are then multiplied by a CPU multiplier to achieve the clock speed of the CPU. (Q6600 for example is a 1066 CPU. 1066/4=266.5. 266.5x9 (CPU multiplier)= 2398.5 (or 2400mhx) the stock speed of the CPU)

OK, now that you know what they mean when they refer to rated FSB, you can see how the CPU's and motherboards are marketed. When you overclock, you are increasing the FSB speed (thereby increasing the RFSB as well) Most of the time, you are increasing it much more than the stock rated usually measures. This is in truth the highest the mobo can handle.

As far as I know, a mobo rated to run 1333 RFSB CPU's can run any of them. Look at my sig rig. I am currently running my Q6700 at 400*9 (FSB*CPU multiplier) That gives me a RFSB of 1600. Gigabyte will not list 1600 as a supported RFSB as it really only exists when the CPU is overclocked. I know that the mobo can handle it, but the only way I know that is by researching the mobo and trying it yourself.


Sorry for the long explanation.

Now, that is only at stock speeds.
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post #6 of 8
the a online manuel of the board to see what is supports.
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post #7 of 8
It will take any 775 CPU on the market as they are all 1333 FSB and lower. If you want to know how well it will perform see if anyone has done a review on it.
post #8 of 8
Wait to hear from more Intel experts my friend.... but here's what I can add to help.

First: look at the socket. This is the primary factor that will decide which chip to choose.
Second: Look at your FSB - I know Intel chips are sensitive to this. My buddy ordered the one chip above his motherboard - so he had to buy a new motherboard.

Other things you want to consider - ATA, SATA, ....

SOCKET, the FSB.....
    
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