Guys put this at youtube search: "#317 [tutorial] - Chutando a Bunda da Nvidia - Ativando 4-way SLI GTX 780" ( without quotes).
A Brazilian guy with some tweaks and some files ( that you can download in the video description), could enabled 4-way SLI GTX 780.
This is not official so, you only try this if you want.
*All files works only with the NVIDIA in English*
*Do this on your own risk*
* You can watch the brazilian video to help in some step
1- Download the two files from the video description
2- Open Winrar program
3- Find the file "320.00-desktop-win8-win7..." that you downloaded
4- Open this file in Winrar program
5- Copy all files from the file and put in a new folder called for example "nvdia_4way_sli_780"
6- Open the file "nv_disp.inf" from the zip file "nv_disp.320.00..." with your notepad
7- Copy all the file (notes, info, etc) using CTRL+A and CTRL+C command.
8- Now find the "nv_disp_inf" in the "nvdia_4way_sli_780" folder
9- Open this file "nv_disp_inf" from the "nvdia_4way_sli_780" folder
10- Erase everything from this file "nv_disp_inf" and use "CTRL+V" command to overwrite the filewith the correct "tweaks".
11- Save all the modification of the file.
12- Enter in the folder "nvdia_4way_sli_780" and open setup.exe
13- Restart your computer
14- Use GPU-z for see if the 4-way sli is enabled.
post edited by HinoK - 2013/07/27 16:25:30