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Ram fsb and cpu fsb

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October 31, 2010 1:01:52 PM

i have a q6600 processor and because my old motherboard stopped working i bought a new one that supports ddr3 memory at1066,1333 and 1600.i also bought ddr3 1600 (2x2 gb).Since my cpu has 1066 fsb (i think)can my memory work at 1600? or will it be downclocked to 1066? thank u

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a b à CPUs
October 31, 2010 3:04:08 PM

By default DDR3 memory will run 1066mhz out of the box. You can go into your BIOS and check out any section that has FSB/MEMORY ratio. Changing this ratio will increase your memory speed.

Without knowing your exact motherboard it'll be hard to guide you further.
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October 31, 2010 4:22:22 PM

my motherboard is gigabyte ep43t - usb3 and the ram is kingston hyper khx1600c9d3k2/4g 2x2gb
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November 1, 2010 7:32:50 AM

it will run @ 1600mhz, there's no need to change the fsb/mem ratio, it will run just fine.
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a c 172 à CPUs
a b } Memory
November 1, 2010 9:57:34 AM

If you are not going to overclock, you can just plug and go. If you are going to overclock, you need to do a little more work.

Set your System Mem. Mult. to 4.0. At stock CPU speeds, your FSB freq should be 266 MHz. and your memory clock should be 1066 MHz. That way, when you increase your FSB freq, you will not run the memory faster than it's designed to.
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