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I am unable to get my FX8120 CPU to detect a second 8GB memory stick.

Question asked by pwhelan1 on Jul 5, 2016
Latest reply on Jul 7, 2016 by techguy

The memory is detected by BIOS as well as enumerated via eeprom (lshw and decode-dimms).


I have tried two different motherboards:

  • ASUS M5A97 r2.0
  • Gigabye 990FX-UD3 R5


I have also tried two different sets of 2x8GB@1866Mhz RAM:

  • Corsair Vengeange Pro: CMY16GX3M2C1600C9R
  • HyperX Fury: HX318C10FBK2/16

I have tried underclocking both to 1066Mhz, 1333MHz and 1600Mhz, as well as upping the voltages (VCORE and HT Link). With everything I try I am still unable to see more than a single DIMM (8GB of memory). I would be grateful for any kind of help.