I have a MSI 790FX-GD70 and a set of F3-12800CL9Q-16GBRL memory modules. I am unable to get the system to post with any combination of these memory modules; 1,2,3,or 4. I have tried several of the suggested settings with no luck. Can anybody help or is this memory incompatible with this motherboard?
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MSI 790FX-GD70 and F312800CL9Q-16GBRL
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First, what CPU are you running? Many AMD Cpu's can't run 1600 at all, and many also have problems w/ 16GB. Have you tried at 1333 and tighter timings to see if problems persist at 1333 and have you run memtest on each stick individually to see if you have a bad stick?
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CPU type
AMD Phemon II 965 Black Edition.
I can't get the system to boot with any stick(s). I did get a POST with 2 sticks once but have been unable to duplicate the POST.
I currently am using 4 sticks of F3-12800CL9D-4GBNQ R purchased in 2 seperate sets 3 months apart. I have no problems with that memory.
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Do you have the 140w C2 or 125w C3 965?AMD Phenom II X6 1090T@ 4.2GHz
Corsair H50 Hydro (push/pull intake fans)
ASUS Crosshair V Formula
2x4GB G.Skill RipjawsX@ 1975MHz, 9-10-9-28 (2T)
SLI: 2x EVGA GTX 570's@ 902/1804/2032
Creative SB X-Fi Xtreme Gamer
Corsair HX850W Modular
Cooler Master HAF 922 (200mm side fan)
2x Win 7 Home Premium (x64)
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Originally posted by lddaniel View Post140W. AMD part number - HDZ965FBGIBOX.
The C2 Revision has a very weak, limited IMC (Internal Memory Controller).
The newer C3 Revisions have a much improved IMC and can usually handle memory with all dimms populated.
So, it's basically next to impossible to get a C2 rig to run stable with all memory slots populated, let alone 16GB.
Your best bet is to work with only two sticks, placing them in the outside dual channel slots (furthest away from the CPU).
Then, try running at 1333MHz with CL8 timings and also set the memory voltage in the bios.
If that works, then try 1600MHz with the specified CL9 timings and voltage.
You may have to increase the CPU/NB and NB voltages to gain stability.
Good luck...AMD Phenom II X6 1090T@ 4.2GHz
Corsair H50 Hydro (push/pull intake fans)
ASUS Crosshair V Formula
2x4GB G.Skill RipjawsX@ 1975MHz, 9-10-9-28 (2T)
SLI: 2x EVGA GTX 570's@ 902/1804/2032
Creative SB X-Fi Xtreme Gamer
Corsair HX850W Modular
Cooler Master HAF 922 (200mm side fan)
2x Win 7 Home Premium (x64)
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That's what I thought
Thanks NemesisChild. You put my mind at ease. I thought I'd done something stupid and fried the memory. I'm going to build another computer without the AMD CPU. I plan on using an Intel i7 Sandy Bridge with the Asus P9P67 EVO motherboard and the memroy I just bought. I won't have the same memory limitations as with the AMD CPU, will I? Again thanks for your help.
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