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8gb DDR3 RAM not posting

Tags:
  • ASRock
  • DDR2
  • DDR3
  • RAM
  • Motherboards
Last response: in Motherboards
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November 11, 2012 1:53:15 PM

Hello,
I have an ASRock N68C-GS FX mobo that has both DDR2 and DDR3 supported (there are 2 slots for each RAM type). I can boot on 4 gb DDR2 ram, but when I put in my 8 GB DDR3, I cannot get it to post. The DDR3 is 2 4gb sticks, and the DDR2 is 2 2gb sticks. My OS is ubuntu 64 bit. Any help is appreciated

More about : 8gb ddr3 ram posting

November 11, 2012 2:00:56 PM

yes, I am Removing Both DDR2 chips, and putting in 2 DDR3 chips
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a c 79 V Motherboard
November 11, 2012 2:01:18 PM

That type of board supports either DDR2 or DDR3 but not both at once. To clarify, are you trying the DDR3 by itself and it won't work?
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a c 79 V Motherboard
November 11, 2012 2:04:37 PM

Have you tried them one at a time, in each DDR3 slot?
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November 11, 2012 2:05:33 PM

not yet. i'll try that and get back to you

EDIT: I tried that, and it still did not post.
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November 15, 2012 4:55:19 PM

I edited my post, and got no reply. Just letting you guys know because i was not sure editing counts as a reply :D 
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Best solution

a c 79 V Motherboard
November 15, 2012 5:16:41 PM

I'm sorry to hear you still had a problem. It sounds like either bad RAM (both sticks) or a faulty motherboard. Did you check the BIOS, though? I'm assuming it will automatically detect the RAM type but maybe there's a setting in there you can check (using the DDR2 that boots, of course). If you're able to, try to test those DDR3 in another computer.

But you might just get higher capacity DDR2 since you know that part works. There's a measurable performance difference but it's not huge.
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November 20, 2012 1:01:01 AM

ok thanks for the help. ill see if i can't mess with the bios.
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November 20, 2012 1:01:20 AM

Best answer selected by mryan2.
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