cat /etc/X11/xorg.conf.d/nvidia.conf
#
Section "Device"
Identifier "Videocard0"
BusID "PCI:1:0:0"
Driver "nvidia"
VendorName "NVIDIA"
BoardName "NVIDIA Corporation GK106 [GeForce GTX 660] (rev a1)"
Option "Coolbits" "12"
Option "RegistryDwords" "RMUseSwI2c=0x01; RMI2cSpeed=100"
EndSection
# This is a trailing line, it is needed so that End Section is not the last line
You may want to remove/change BusID. You’ll definitely won’t need RegistryDwords (it’s a hack for a bug regarding I2C).