You mixing ram speeds? It will default to the lower of the 2 sticks. You'll have to try overclocking one stick manually in the bios, but the board may not permit it. Asrock boards have fewer adjustments; you get what you pay for.
no mixing...
the mobo support only ddr2 667.
i installed 1024x2 800 mhz. but it runs at 667.
i want to configure it manualy to run at 800 & then oc it.
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