Marc Chamberlin said the following on 02/06/2011 01:12 AM:

During testing, when trying to mount from a command line following your instructions, I disabled these automatic mount settings, and even removed the device notifier widget since it appeared at first that is was still automounting the USB drive when I plugged it in... (even though I had unchecked these settings.. I found later that after a reboot however, the device notifier was no longer automounting the USB drive when I plugged it in, so apparently those settings don't take effect immediately...)

The device notifier is just that. The automounting is a feature of the kernel and the hardware interface.

The device notifier is to notify you and let you choose what tool to run on the mounted device depending on what it is -- data, pictures, audio. It is a user and KDE level function.

Removing it will not affect the automounting.

This automounting is to do with hardware and call-back to the user space from the hardware layer and kernel, and nothing to do with the automounter and maps.

Please don't fiddle with it.