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GA K8NS Ultra 939 & ValueSelect Memory Speed


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Here are my basic specs:


Gigabyte GA-K8NS Ultra 939

AMD 64 3500+

ATI All-in-Wonder 9600

Memory 2gig. (4x512 dual channel)

VS1GBKIT400 x 2

F7, F8 and F9 bios (latest)


When first installed and bios set to auto the memory is only detected at 333 (2x166).

This is confirmed my cpu-z and Nvidia NTune


Aftere rebooting the memory is detected at the correct speed. But not always!


I am confused on timing issues and whether this memory will indeed run at 400 at every boot.


The Corsair website list this memory at 2.5-3-3-6. The bios detects it as 2.5-3-3-7. Cpu-z recommends setting it at 2.5-3-3-8. Then I saw a posting on this forum that listed it as 2.5-4-4-8.


I do not want to send this memory back but will if necessary. I am not overclocking. Just want a stable memory speed.



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First thing, VS512MB400 would be set to Cas 2.5-3-3-8. And with this platform if you install more than 2 modules it will by default run at DDR333. In adition, I would set the Dim Over Voltage control to +.2 Volts as well as you will need to make sure the Command Rate it set to 2T with 4 modules.
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