The FSC Amilo A1655G uses only software switch to turn the radio on/off.
fsaa1655g is a module for Linux Kernel 2.4/2.6 that allows change the status of wireless card's radio on Fujitsu-Siemens Amilo A1655G and L1310G. It is based on fsam7440. But it takes many hours of debugging to find out the right I/O ports and commands.
SourceForge.net project page
Well known installation procedure:
make make install modprobe fsaa1655gThan you can examine the file
/proc/fsaa1655g/radioYou can switch the radio with commands
echo 1 > /proc/fsaa1655g/radio echo 0 > /proc/fsaa1655g/radio
This project is under GNU Public License. It comes without any warranty. The project developer is not responsible for whatever happens by using it.