madmix Posted January 11, 2006 Share Posted January 11, 2006 Hi, Hope you can help. I'm just about to purchase the Abit AN8 Ultra Motherboard. I'm planning to fit 2GB of RAM in the form of 2 x Corsair VS1GBKIT400. In other words this is two sets of matched pairs of 512MB DDR400 non-ECC, Unbuffered, CL2.5 memory, making four sticks in total. This would seem to be fine, but having downloaded the manual for the Motherboard, I notice that section 2-3, table 2-2 "Unbuffered DIMM Support For AMD 939-pin Processor" shows the following : In 128-bit Dual Channel mode, when all four slots contain "Single rank", the Default Setting is DDR400. In 128-bit Dual Channel mode, when all four slots contain "Double rank", the Default Setting is DDR333. I'm not sure what the difference between single and double rank is? This has confused me as to whether the memory configuration I'm planning to use will work at DDR400. If anyone could clarify this for me, I would be grateful. Many Thanks, Chris Link to comment Share on other sites More sharing options...
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