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Compatibility video card with gddr5 with motherboard ddr3

Last response: in Graphics & Displays
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September 1, 2011 8:21:04 PM

I have a new sabertooth 990fx ddr3 with 16mg RAM (4x4). I discovered very quickly My All-In -Wonder DDR 2 wont work. so I purchased a Radion 6770 with gddr 5. I'm still having compatability issues. Any Ideas???

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a c 141 U Graphics card
a b V Motherboard
September 1, 2011 11:15:14 PM

What sort of issues are you having? Is your computer not booting with the 6770? If that's the case, make sure that the 6 pin PCI-E power connector is connected, try reseating the card, it may not have proper contact with the slot. Post the specs on your power supply, Brand, model, number of amps on the +12V rail, it's possible your PSU might not be able to deliver enough power for your 6770. If you have another system to test the 6770 try that, if the 6770 works in another system then it's probably means that your PCI-E x16 slot isn't working properly.
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a b U Graphics card
September 2, 2011 12:30:09 AM

The type of ram in your motherboard has nothing to do with the type of ram in the videocard. Of course ddr2 is not going to fit in a board that uses ddr3. But the way your question is worded I'm not sure if you bought the motherboard with no ram thinking your ddr2 would fit, and then purchased the 6770 to replace it? Or do you have ddr3 installed and are just having issues with the 6770.
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September 9, 2011 7:08:01 PM

Best answer selected by obie233.
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September 9, 2011 7:33:16 PM

obie233 said:
I have a new sabertooth 990fx ddr3 with 16mg RAM (4x4). I discovered very quickly My All-In -Wonder DDR 2 wont work. so I purchased a Radion 6770 with gddr 5. I'm still having compatability issues. Any Ideas???



Supernova1138

You pointed me in the right direction. Somehow, while removing and reinstalling the video card, I managed to pull the power connector off of the boot drive. I updated the video card to a X 16 AMD XFX. But in the process I manage to get the All-In-Wonder X 2 to work. I made a rooky mistake because I was in a hurry and not paying attention to what I was doing.
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