Help with new memory!!

puts77

Beta member
Messages
2
Hi.
AMD Athlon XP 2500+ Barton Core @166FSB
MSI K7N2G-L motherboard
Kingmax 2x256MB DDR 400 (PC3200) RAM Dual channel @200 (400)

Having problems installing new 2x512MB DDR400 (PC3200) on this motherboard when running it in dual channel @ 200. Runs fine when in 1:1 with fsb of cpu @166, but any higher and it does not boot.

Why is it that I can run 2x256MB DDR 400 at the higher speed, but when I take that out and insert 2x512MB DDR 400 in the same slots it only runs at 166 (333). Any help would be much appreciated. (if need any more info let me know).
 
yea, well if you overclock get memory that is higher than your FSB.

so yourfsb is 166 for example.

well most likey your memory is the same speed.

If you get PC3200 (200mhz), well than you have alot of room to overclock you cpu without a memory divider and you can get full speed on memory ;)
 
The motherboard does state that it supports DDR400. But that's the problem, when I try and run the 2x512MB at that speed the computer does not boot. Whereas, if the 2x256MB sticks are in, the computer boots and runs the memory at 400. Has anyone else had this problem. I am very new to overclocking and therefore I am still running the CPU FSB at 166. I have tried running the CPU at 200 (2.2Ghz), but it does not seem to work as well as running it at 166.
 
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