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Adding memory


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It's a bit of a dice throw when you mix and match DRAM. Add that to the issue of populating 4 DRAM banks you might have problems. The memory controller can not keep up with the extra DRAM at the rated speeds so you will very likely have to drop a throughput level. ie 8500 (1066MHz) to 6400 (800Mhz) or 6400 (800Mhz) to 5300 (667Mhz). This is a problem of all 4 banks being populated.


Download memtest from http://www.memtest.org and extract the ISO image. Burn the ISO image to an CD-ROM disk.


Enter the BIOS and load default settings, save default settings. Shut the system down. Remove the 2 X 512MB and insert the 2 X 1024MB. Restart the system.


Boot to the optical drive with the memtest disk and allow for two full passes. I would not even insert the 2 X 512MB sticks as problems can occur and I have seen issues of board damage. I have also seen them work. However, it is just not worth the extra 1GB to take the chances.

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and guess what he answered....


Just come here and research before purchasing anything. There's a fountain of good knowledge here and many more than willing to help you find the easiest method to a clean and fast and most important, fully stable system.

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