Nvidia NFORCE 780I SLI - Manual (Page 108)

780i 3-Way SLI Motherboard
NVIDIA Corporation
98 October 17, 2007 | DU-03597-001_v01
Figure 17. 3-way NVIDIA SLI connector
(600-10732-0000-000)
ForceWare Driver
The 3-way SLI platform uses the NVIDIA ForceWare Windows Vista driver.
To install the driver, run the setup.exe file to launch thee
InstallShield . The
InstallShield runs three installs, one for each GPU. Reboot your PC when the
install is complete.
After reboot, the
Windows Vista Device Manager shows three GPUs under
Display adapters (Figure 18).