M5A99FX PRO R2.0 won't run RAM in Dual Channel

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Jeffjeffries

Honorable
Dec 26, 2013
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10,510
I have an FX-8320 and Team Vulcan 2x4gb (2133) RAM. I've tried the sticks individually in each slot. They come up each time. In UEFI, it says I have 4096GB. In Cpu Z it says I have 8Gb Single channel. In Windows Experience, it says I have 8Gb with 3.9 Gb available. (By the way, I have Windows 7 Ultimate 64-bit). I'm not sure what I need to do. Max memory is unchecked. Bank and Channel interleave are set to auto (no enable option available). I haven't overclocked at all. It's set to default settings. UEFI says my Ram is at 1726 (or somwhere around there) MHz. I've also tried 2/4, 1/3, 2/3, and 1/4 slot configuration.

What now?
 
Solution
C
Motheboard specifications:
4 x DIMM, Max. 32GB, DDR3 2133(O.C.)/1866/1600/1333/1066 MHz ECC, Non-ECC, Un-buffered Memory

DDR3 2133(O.C.) - this means you are required to overclock the system

FX-8320 is compatible with 1866MHz speed with two sticks.

Setting the A.I. Overclock Tuner to D.O.C.P. (Dram Overclock Profile) will set the set the memoey to run at the memory manufacturers recommended settings. Since this won't work correctly without overclocking the system, you can set the A.I. Overclock Tuner to [Manual] and set the Memory Frequency to [DDR3-1866MHz], DRAM Timings, and the DRAM Voltage. I don't know what DRAM Timing numbers would be for 2133MHz memory at 1866MHz speed would be. The memory you have looks like it requires a higher...
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Calvin7

Titan
Feb 19, 2013
11,725
334
76,490
Motheboard specifications:
4 x DIMM, Max. 32GB, DDR3 2133(O.C.)/1866/1600/1333/1066 MHz ECC, Non-ECC, Un-buffered Memory

DDR3 2133(O.C.) - this means you are required to overclock the system

FX-8320 is compatible with 1866MHz speed with two sticks.

Setting the A.I. Overclock Tuner to D.O.C.P. (Dram Overclock Profile) will set the set the memoey to run at the memory manufacturers recommended settings. Since this won't work correctly without overclocking the system, you can set the A.I. Overclock Tuner to [Manual] and set the Memory Frequency to [DDR3-1866MHz], DRAM Timings, and the DRAM Voltage. I don't know what DRAM Timing numbers would be for 2133MHz memory at 1866MHz speed would be. The memory you have looks like it requires a higher DRAM Voltage than the default voltage setting.
 
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