Thinkpad X41 wireless LAN FreeBSD8.1

• install http://opal.com/freebsd/ports/net-mgmt/wifimgr/
  • pkg_add -rv wifimgr
• /etc/rc.conf

#wifimgr
wlans_iwi0="wlan0"
ifconfig_wlan0="WPA DHCP"

• /boot/loader.conf

if_iwi_load="YES"
wlan_load="YES"
firmware_load="YES"

iwi_bss_load="YES"
iwi_ibss_load="YES"
iwi_monitor_load="YES"
legal.intel_iwi.license_ack=1

Ref

• http://opal.com/freebsd/ports/net-mgmt/wifimgr/
• http://forums.freebsd.org/showthread.php?t=9870
• http://www.jp.freebsd.org/cgi/mroff.cgi?sect=4&subdir=man&lc=1&cmd=&dir=jpman-7.2.2/man&man=iwi