Software-disabling touchpad

Richard A. Smith richard at
Wed Sep 23 11:45:08 EDT 2009

> supposed to be able to disable the touchpad.
> If that's the case, is there a neater way to do that?

It obeys standard ps2 mouse commands.  Send the controller a 0xA7 and it will disable the output stream.

The mouse is the "Auxillary PS/2 device interface"

Offhand I don't know the linux way of sending a command to the keyboard controller from userspace but Xwindows does it so its possible.
Richard A. Smith  <richard at>
One Laptop per Child

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