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DDR2 Ram OverClocking Itself?

post #1 of 5
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Hey guys I'm a total noob at overclocking but I'm trying to learn. Anyway, I went into my bios to set my DDR2 RAM to 800 mhz.

I have 4x1GB PC2-6400, all the same. Yet in CPU-Z, it says that my DRAM frequency is 424.4 MHz. I even did a memtest+ (which took a long time) and the entire time it said that my DRAM frequency was 424.4 MHz.

Is this normal? If not, will this kill my computer? If you guys can help ease my paranoia, that would be great.

Thanks,
Austin.

edit: Also, if you guys could give me some suggestions on what settings are optimal for my ram, that would be awesome!

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post #2 of 5
Overclocking your processor with your FSB also overclocks your ram.
Edited by TheYonderGod - 7/22/11 at 6:04pm
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post #3 of 5
Also you have to double it for DDR2 RAM. So you are really clocked to 850mhz because 424.4+424.4=848.8 or ~850mhz so if you have overclocked your processor via fsb you will see a jump in Ram so you play with the multipliers to get it to where it needs to be (800) or you up your voltage and loosen your timings to make it work at that frequency.
post #4 of 5
Yes, OC'ing the CPU will also automatically lead to RAM frequency increments.

The resulting 5%~ overclock is nothing to be worried about though, it shouldn't cause system instabilities as long as your voltages are within their appropriate ranges.
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post #5 of 5
Your bus clock is slightly increased along with the RAM. This'll cause a slight overclock but as long as it is fully stable (it seems to be) it will be fine. Check with SuperPi @ 32M.
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