ram MHz cannot change

[kentpachi]

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I have kingston hyperx ram with 18zzmhz and i've noticed that when i go into bios i see that my ram is set to 1333Mhz. My motherboard supports up to 2200mhz and when i try to change it to 1866mhz i save changes and restart and the screen goes black and i need to restart it by myself and when restarts it shows me that what i did in bios is failed and i need to press f1 to get into bios and change it back to 1333 (auto) to get back to windows.
I searched online for help and found that i need to enable xmp profile, i don't know what it is, and i went back to bios and searcherd everywhere, but i couldn't find any xmp!


My specs
cpu: i7-2600
mobo: asus H61M-c
ram : 1x8gb kingston hyperx fury
gpu : ASUS GTX 660 Ti DirectCU II OC
PSU : silverstone SST-ST60F-P 600W

[gaspar_73]

your mobo doesn't support XMP...
1600mhz is it's native support.
1866mhz (OC)..add more voltage to stabillze..say 1.55V - 1.6V from it's default value of 1.5V.