centrino - Radio Frequency Kill Switch

[Daniel Stone]

On Mon, Jan 24, 2005 at 01:56:37AM -0500, imightbegiant wrote:
> I had the same problem, but I found a solution albeit ugly.
> 
> I found that in Windows, a program called Easy Button was responsible
> for the functionality of the 2 multifunction buttons and the kill
> switch for my laptop. Why it was this program and not the intel
> connectivity software, I have no idea. As soon as I installed the Easy
> Button program, the wifi led turned on and the intel software said the
> switch is no longer off. I believe that this sets the firmware on the
> chipset.  Then when I rebooted the chipset was ready to be used for
> linux. This was done on a NoteMagix B50 from Velocity Micro.

The 'fsam7400' module should deal with this on Ubuntu; if you run sudo rmmod
ipw2200, and then sudo modprobe fsam7400, you should have files under /proc to
manipulate your kill switch.  Unfortunately we haven't worked out how to detect
the presence of this kill switch (maybe unconditionally load fsam7400 before
ipw2200?), so it isn't done automatically.
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