Having some problems with upgrades

Nvidia / 122-ck-nf68
January 14, 2009 at 18:39:49
Specs: Microsoft Windows XP Professional, 3 GHz / 2558 MB
I have the EVGA 680i motherboard, the intel core2duo E6850 @3.0GHZ 1333MHZ FSB, Rosewill 850W PSU, Coolermaster HAF case, stock heatsink for processor, sata hdd.

For my upgrades i bought 8GB of patriot ram DDR2-800MHZ, 4x2GB sli ready memory.
link: http://www.newegg.com/Product/Produ...

Now, i know how to adjust the voltages to the recommended 2.1V, but i do not know how to adjust the timings so that my computer don't crash immediately afterwards. i contacted patriot yesterday and nothing back from them. According to patriots website it is fully compatible with the 680i mobo, but i can keep it stable enough to game.

i also purchased an other 8800GTS 512 to sli with the one i have been using for nearly 2 years now. I pluged in the additional power connector into the motherboard to support sli, followed the directions for the install of the second card and it seemed to work.

i opened a game and tested it out, was satisfied (played for about 30min no problems). so then i install the ram, and it lags every 20 min or so.

i believe it has something to do with the timings or one of the sticks is faulty. so if you could help me out a bit it would be appreciated.

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January 14, 2009 at 18:54:41
To start off, SLi memory has absolutely nothing to do with running 2 video cards in an SLi configuration. Also, if you're not running a 64-bit OS, 4GB is the max...actually, less than that will be recognized by the OS.


And since you have a 1333MHz FSB CPU, dial the RAM speed down to DDR667 to stay in sync.

If you think one of the RAM sticks might be defective, test it with memtest86. You should ALWAYS do that anyway.


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January 15, 2009 at 05:37:10
i do realize that the sli in the memory has little to do with sli graphics. From what i know it just makes it easier to overclock the memory...or something similar to that.

and i am working on the 64-bit OS, just don't have the money for it as of yet. But why do i have to slow it down to 667mhz? would that make the setup more stable? and if i really wanted to make the ram run at 800MHZ could i also overclock the CPU? or is that not worth it?

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