From this post in Ubuntu forums:
cd /cdrom/driver/winxp_2k (browse to the location of the driver file)
sudo ndiswrapper -i mrv8335.inf (your INF file name may vary)
sudo ndiswrapper -l (shows if the driver installed successfully, this should show “mrv8335 - driver installed, hardware present)
sudo ndiswrapper -m (write the configuration to modprobe)
sudo modprobe ndiswrapper
sudo modprobe -r ndiswrapper
sudo modprobe [...]