I recently decided to upgrade from 4gb to 8gb of ocz reaper ddr2 1066mhz memory. running 4gb was no problem, adding 4more caused system lockups,reduced graphics scores, and blue screens.
Since then i have contacted AMD about the PhenomII 2.5ghz triplecore cpu i have. They told me that they successfully run 4 dimms in their test motherboards at 1066mhz without any setting changes. They told me that the memory controller in the cpu might be bad.
Ocz Technologies swares that their Reaper series pc-8500 memory is of the highest quality, even though it needs to run at 2.1volts to produce 1066mhz [so it needs to be overclocked].
Gigabyte technician said that it is very difficult to run 4 dimms at 1066mhz. That most gamers only run 1066 in 2 dimm slots [hence one stick per channel].He also pointed to the memory controller on the cpu as the culprit, and said if i get "true" 1066mhz memory[the low voltage ones that run at 1.8volts], that 4 dimms "might" work at 1066mhz.
So... after many days of research i am frustrated, i would like to run 4dimms because i have Windows 7 64bit operating system. I dont like the idea of overclocking the cpu or the northbridge. I just wanted some extra memory.
I had the idea to look for 4gb dimms that run at 1066mhz and get a pair of those, but i have not found any on the internet so far.
Does anyone have a suggestion in what direction i should go with this? or should i just give it up, and keep running 4gb?
GigabyteMA-GA790GP-UD4H board
AMDPhenomII 705e 2.5ghz triple core cpu
OCZ Reaper DDR2 PC-8500 1066mhz 4GB [2x2gb] memory 2.1volts
WD green 500gb sata II hard drive
HD3300 GPU on 790GX chipset
Asus XonarDX soundcardThermaltake 430watt psu
