For more information, join the team subscribe to the mailing list
at the bottom of the Launchpad page
http://launchpad.net/~hybrid-graphics-linux
Please join this team if you are new by clicking on the "Join
Team" link at the right of the Launchpad page. It's important to
have as many users in the community as possible to request for
appropriate support.
One of the team members reported the L702X acpi_call script also works for the Samsung
RF511 and possibly for the RF711 model:
https://lists.launchpad.net/hybrid-graphics-linux/msg00677.html
Find the step-by-step instructions here:
http://linux-hybrid-graphics.blogspot.com/2011/06/dell-l702x-linux-hybrid-graphics-step.html