Hello,
i got a ibm thinkpad t42 windows xp and cannot use the wireless function n my device manager there are ? by other devices and by network controllers
Hi there is a patch called no-1802 located at http://static.command-tab.com/2006/no-1802/no-1802-cd.zip you will need to burn this and boot from CD, this will change a bit in your BIOS to accommodate non-whitelisted wifi cards. Good Luck!!
More Info Here.... http://www.command-tab.com/2006/02/26/thinkpad-1802-error-fix/