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Old Dec 2, 2012, 05:39 PM   #147
Compurex1
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Quote:
Originally Posted by Compurex1 View Post


In order to set the 5:4 memory divider, you must disable "Compatibility Mode" under the advanced memory settings in the BIOS. I'm getting all sorts of issues when I do this (crashes etc.). It might be one of my pairs of RAM (Corsair). I'll remove them tomorrow and see if it makes a difference.
I wanted to replace an old AthlonXP system to upgrade to Windows 8. To save money, I bought the ConRoe865PE + C2D E6600 and used my original peripherals (PC3200 DDR RAM, Radeon 3850 AGP, IDE HDDs). I bought some more RAM off ebay to go from 2 GB to 3 GB.

My original RAM (1 GB x 2) GSkill F1-3200PHU1-2GBZX is CL2 an SPD of 2-3-2-5 at 200 MHz. If I only use this RAM then my system is stable with the 5:4 BIOS and overclock of 215 MHz.

My new RAM is (500 MB x 2) Corsair CMX512-3200C2PT that's advertized as CL2, but in reality is only CL2 at 133 MHz and has an SPD of 3-3-3-8 at 200 MHz. If I use this RAM I get all sorts of problems and failures at 215 MHz. If I use the default divider, then it works OK at 177 MHz.

So here's the $100 question...

For Windows 8 Pro (32 bit), should I use just 2GB of RAM at 215 MHz or 3 GB of RAM at 177 MHz? What configuration will give me the best performance?
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