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Old 05-19-2010, 05:11 PM   #1 (permalink)
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Exclamation Memory Questions

Well, I have this memory currently: Newegg.com - OCZ Platinum 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2P10664GK

This says the speed is DDR2 1066. However, when i run CPUID, it says DRAM Frequency is 400mhz. I know there's something to do with Double Data rate doubling the frequency or something, but I'm not really sure about all of this. I went into the bios and it said 800mhz and so i increased it to 1066, since that is the retail speed. What is my current speed?
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Old 05-19-2010, 05:33 PM   #2 (permalink)
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Default Re: Memory Questions

Q: What is my current speed?
so i increased it to 1066, since that is the retail speed.

A: 1066 MHz
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Old 05-19-2010, 06:06 PM   #3 (permalink)
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Default Re: Memory Questions

Sorry, I should have been more clear, I increased it to 1066 in the bios, but then I had a memory failure when I tried to go on stand-by. It reset to "Normal" as it said, so I ran CPUID, and it said my DRAM frequency was 400mhz, so what would my speed be? (I kind of have the events backwards in the first post, sorry about that)
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Old 05-19-2010, 06:12 PM   #4 (permalink)
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Default Re: Memory Questions

you were correct in your first post

"I know there's something to do with Double Data rate doubling the frequency or something"

so just take 400*2=800

current speed = 800 MHz
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Old 05-19-2010, 06:32 PM   #5 (permalink)
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Default Re: Memory Questions

does the "2" at the end of ddr2 have anything to do with the calculations? or is that merely a sort of generation type or something?
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Old 05-19-2010, 07:23 PM   #6 (permalink)
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Default Re: Memory Questions

The 2 is the generation. The 1st D in DDR is the key, Double.

You changed the setting to 1066 and now your ram is at 400x2=800

Try raising that same value up to the next highest value. Your looking for 533x2=1066
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Old 05-19-2010, 07:55 PM   #7 (permalink)
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Default Re: Memory Questions

Well, in the BIOS, it says 1066, but on CPUID, it normally says 533. But CPUID said 400 when I had to reset it after a memory failure..
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Old 05-19-2010, 10:26 PM   #8 (permalink)
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Default Re: Memory Questions

Yep, which meant you were running your ram underclocked. In the bios it should say 1066Mhz, in CPUID it should say 533Mhz.
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