heres whatcha do:
(you must be in root!)cd /usr/src/linuxmake menuconfig
then u will see lots of drivers and options, enable/disable what you need to thenn:
(for 2.4 kernel )make dep && make bzImage modules modules_install
(for 2.6 kernel)make && make modules_install
then when u r copy the bzImage and System.map over the old ones