Asus Sabertooth 990fx r2.0 RAM problem

Robert_119 · Dec 29, 2015

So i recently installed my Hyper 212 evo cooler in my PC but i ran into a problem with it fitting. I have corsair vengeance 8gb (2x 4gb). I moved the RAM sticks into the A2 & B2 slots to make room for the cooler but it only shows up with 4gb installed when I boot my computer up. Should I move the RAM stick into the B1 & B2 slots? If any of you could help that'd be greatly appreciated, thanks.

Fixed: I just reinstalled the cooler vertically and put my RAM sticks in A1 & B1 and it works perfectly.

alexoiu · Dec 29, 2015

Try reinstalling the CPU cooler. Make sure that you're not overtightening it. I'd check also the CPU socket. See if any bent pin.

Robert_119 · Dec 29, 2015

alexoiu :

So not installing the cooler right would make only half the RAM work?

alexoiu · Dec 29, 2015

Ah, it's AMD.
What Windows using?

Robert_119 · Dec 29, 2015

alexoiu :

Windows 8.1 Pro.
My CPU is a AMD fx8320.

alexoiu · Dec 29, 2015

Try testing with single RAM the slots A2, B1, B2. See if the pc does POST in each case and if 4 gb detected.

Robert_119 · Dec 29, 2015

alexoiu :

I'm gonna try B1 & B2 and i'll report back to you.

Robert_119 · Dec 29, 2015

alexoiu :

B1 & B2 didn't work. It showed up with a error on my screen when booting it up. Should I try A2 & B1?

alexoiu · Dec 30, 2015

Only one slot at a time. Firstly A2, then power off and move the RAM to B1... See if 4 gb in all cases.

James_170 · Jan 9, 2016

Hey you need to enable the MEMORY REMAP feature. Its located in the Advanced BIOS Settings. I think its called Memory Hole Remapping make sure its enabled. Its in this area here. http://www.manualslib.com/manual/414973/Asus-Sabertooth-990fx-R2-0.html?page=89

Click on Memory configuration to see the settings.

If its on disabled it will only give Windows and will only POST showing only 4GB ram .

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Asus Sabertooth 990fx r2.0 RAM problem

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