Solution to switch off nvidia card in Linux Asus UL30Vt, UL50V, UL80V
If you are using Linux on an Asus UL30Vt, or Asus UL50Vt or Asus UL80Vt, keep reading...
One of the Linux users has found a solution to switch off the nvidia card in the UL30Vt models,
which by the looks of the DSDT tables, will also work for the UL50Vt and UL80Vt models with nvidia card.
For Ubuntu Karmic, download and install this package:
Then once installed, run the following command on a terminal:
sudo modprobe nvidia_g210m_acpi