install openwrt first
http://downloads.openwrt.org/kamikaze/8.09.2/x86/openwrt-x86-squashfs.image
Use PhysGUIto install
download here : http://m0n0wall.monostar.net/download/physdiskwrite-0.5.2-PhysGUI-bundle.zip
Install x-wrt
#opkg update
#opkg install nano
#opkg install -force-overwrite http://downloads.x-wrt.org/xwrt/kamikaze/8.09.2/x86/webif_latest.ipk