I USE A GIGABYTE GA-8N-SLI MOTHERBOARD WITH A 3.4 DUAL CORE PENTIUM 4 CPU AND 1GB CORSAIR DDR2 667MHZ MEMORY ON A 32" SCREEN. I HAVE RECENTLY PURCHASED 2 XFX NVIDIA GEFORCE 8600GTS EXTREME EDITION GRAPHICS CARDS. PROBLEM IS WHEN I INSTALL THE 2ND CARD FOR SLI MY SCREEN DOES NOT COME ON. POWER IS CONNECTED TO CARD, SLI PC BOARD AND BRIDGE IS INSTALLED. PLEASE ASSIST.
THANK YOU SO MUCH.
PS. 2 GIGABYTE 7600GT'S RAN PERFECTLY ON SAME SYSTEM.
I think You already did it, but to be sure...
did You enabled SLI card? This is small card between PCIex slots, and You have to turn it attach from another side. And also try to connect monitor to another slot (another card slot)
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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.
Well, you will find that the memory may not be usable in an new motherboard, especially it it is slower type. Fast ram is a necessity.Also, the graphics card may not be usable if the new motherboard does not support the connector. A good source is www.newegg.com A fast motherboard (Gigabyte GA-MA785GM) )will run about $80, you will need LOTS of ram for video editing, 2x4Gb RAM is $70 for 1066mhz speed, and an AMD triple core CPU, Phenom II 2.8Ghz will run about $120.
Every system needs a rock-solid foundation, and that's just what you get with this Gigabyte GA-8S649MF motherboard. It features Socket 775 compatibility and support for Intel Pentium 4 or Pentium Dual-Core processors with 800 MHz front side bus speeds. Two DIMM slots support up to 2 GB of DDR400 system memory.
looks like that mobo can only suppoport up to 53 mhz front side bus for a celeron d processor wht tht means is tht u can get any cpu tht has the front side bus up to 533mhz with the 775 socket forur motherboard
and forpentium 4 its 800mhz and agian any cpu with up to 800 mhz front side bus and 775
so ur best cpu for tht mobo would be the SL7RR it supports hyperthreading
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.