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RAM Frequency


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4 replies to this topic

#1 alizton

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Posted 26 August 2011 - 09:09 PM

hi guys.. i am just confuse with my ram... CPUZ tells me that i have a PC3-8500F RAM w/c has a frequency of 1066 mhz but when i check the memory tab in CPUZ it says that my dram frequency is 399 mhz... What does this mean?

Edited by alizton, 26 August 2011 - 09:09 PM.


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#2 hamluis

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Posted 31 August 2011 - 06:01 PM

See the DDR table at http://hallicino.hubpages.com/hub/DDR1__DDR2__DDR3_Navigating_The_RAM_Maze .

I don't use CPUZ so I can't interpret where it got that 399/400 number. That usually applies to DDR2 modules, as you can see...or your RAM is underclocked currently so that it performs like DDR3-800. Memory Clock: 100 MHz. Bus Clock: 400 MHz. Data Transfers/Sec.: 800,000,000. Module Name: PC3-6400.

I'm just guessing.

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#3 alizton

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Posted 01 September 2011 - 05:46 AM

Thanks for the reply.. So you mean nothing is wrong with my ram?

#4 ReviverSoft

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Posted 01 September 2011 - 09:28 AM

PC3-8500F = DDR3 1066 Mhz Memory Module = DRAM Frequency of 533Mhz

So if CPU-Z lists the DRAM Frequency as 399Mhz, then your memory modules (RAMs) are only running at 800Mhz!

Nothing wrong with the RAM, I'm guessing your mainboard FSB maxes out a 800Mhz. :(

If you could specify the details of your CPU and motherboard, we'd be happy to confirm that for you.

Edited by ReviverSoft, 01 September 2011 - 09:30 AM.

ReviverSoft - Happy to help!

#5 alizton

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Posted 02 September 2011 - 06:52 AM

I'm using Intel pentium dual core T4500 @ 2.3 ghz.. So it is okay to use this kind of module on my system? Cuz i'm planning to upgrade my ram and buy a new one of the same type...

Edited by alizton, 02 September 2011 - 06:54 AM.





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