Zanussi Posted October 31, 2005 Share Posted October 31, 2005 I have installed two TwinX2048-3200C2PT kits in a Gigabyte GA-K8N Ultra-9 motherboard along with an Athlon 64 x2 4800+ processor. The theory is that I get 4GB of RAM running at DDR 400 speeds. :cool: The BIOS version of the motherboard is F6 - the only later one on Gigabyte's website is a Beta version (F7e) and I have also tried this in an attempt to resolve the problem. With all 4 sticks of RAM installed the systems BIOS on power-up only reports 3407872KB of available memory instead of 4194304. Where is the missing memory? :confused: I have tried all combinations of 3 sticks in any 3 of the 4 slots and I always get the expected 3145728KB of available memory reported. The moment I add the 4th stick I get the aforementioned problem. The only benefit of upgrading to th F7e BIOS was that it told me that the memory was running at 333MHz instead of 400MHz. You can alter the configuration to make it run (apparently happily) at the 400MHz speed. So my questions are: Where is my missing memory? Why is it defaulting to the slower speed? Have I got a suspect motherboard? All help appreciated!! :(: Link to comment Share on other sites More sharing options...
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