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DDR3 RAM could auto lower down frequency actually
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Q: I use Gigabyte GA-MA785GT-UD3H motherboard, matching with Athlon II X2 240, DDR3 1333 RAM. In BIOS, memory option is set as AUTO, motherboard would auto lower memory frequency to 1066MHz, then you can only adjust to “x6.66” manually, then memory frequency would be 1333MHz. Why is this happening?
A: in Gigabyte motherboard BIOS, there’s one option “Set Memory Clock”, set it as ”AUTO” to ensure the computer could reach the best stability, memory’s actual working frequency is not always the marked value. After setting it “Manual”, sub item “Memory Clock” could manually set memory sub-frequency, the value of it is equal to the memory frequency multiplication. Multiply it with external frequency, then you can get memory actual frequency. Here we take your Athlon II X2 240 for an example, under the circumstance without overfrequency, the external frequency is 200MHz (200MHz X 6.66=1332MHz). Under the circumstance to make CPU overfrequency or memory is of bad quality, you should adjust the frequency multiplication value low to ensure system stability.
 

Article Source: computercare
Article Submitted On: 2011-06-16 09:53:26
This article has been viewed 1241 time(s).
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