I USE A GIGABYTE GA-8N-SLI MOBO NFORCE 4 CHIPSET WITH AN INTEL 3.4 DUAL CORE CPU AND 1GB CORSAIR MEMORY. TWO HDD - 80GB AND 250GB. ALSO A DVD WRITER AND DVD ROM. ALL OF THESE OPERATING ON A 650W PSU.I RECENTLY PURCHASED TWO NVIDIA GEFORCE XFX 8600GTS EXTREME EDITION GRAPHICS CARDS TO RUN ON SLI. BOTH CARDS INSTALLED CORRECTLY ON SLI MODE ON MOBO, DRIVERS FOR CARDS ALSO INSTALLED.PROBLEM IS THAT NO OPTION TO ENABLE SLI MODE IN NVIDIA CONTROL PANEL IS AVAILABLE. ONLY WHEN I INSTALL THE LATEST DRIVERS FOR THE GRAPHICS CARDS THE ENABLE SLI MODE IS AVAILABLE, BUT AFTER RESTART MY SCREEN DOES NOT COME ON.
THANK YOU GUYS!!!!!
So it sounds like you are able to enable SLI mode, but once you do, you have no video output (upon reboot).
The most likely problem is that it's now in SLI mode, but your monitor cable is hooked up to the wrong video card; try changing it to the other video card, and see if you have output from that one.
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Your MB is AM3 with 128MB DDR3-1333 built-in, four 1.8 Volt DDR2-1200+ depending on cpu. Have you enabled cpu 64 bit extensions? Tried slowing down your memory bus?
My ASUS use dual channel for dual core cpu. I have 2 yellow and 2 black dimm sockets. Both dimms in yellow is single channel, one in yellow and one in black is dual channel. Might try 2,1,2,1 rather than 2,2,1,1 order. If only your 2 1GB dimms are seen then why do you get 4 GB from 1GB+1GB? Sounds like sockets 1,2 are giving you 4GB and 3,4 don't work? Are the 1GB+1GB in 3,4 visible if the dimms in 1,2 are removed? Per Gigabyte page your AMD Phenom II 920 is AM2+ : "Note: Due to AMD AM2+ CPU limitation, memory module DDR2 1066 or above speed is only supported by 1 dimm per channel." Per AMD (which does not show your cpu, AM3 cpu fit AM3 or AM2+ socket and support ddr2 and ddr3, AM2+ cpu only work in AM2+ socket and support ddr2 only.
Hi playboyalive, to answer your question! (Yes) the,
XFX nForce 790i Ultra SLI Motherboard will support Intel's core i7 extreme edition multi-core 3.2GHz CPU. The board can go higher. The highest tested by XFX is Intel's 3.73 GHz multi-core CPU. You can see all supported CPU's at the XFX link below; http://www.nvidia.com/content/nforce700i/nForce_Intel_CPU_List.pdf