custom kernel w/ mandrake 9.1
I started out by updating my kernel source from kernel-source-2.4.21-0.13mdk.i586.rpm to kernel-source-2.4.21-0.25mdk.i586.rpm by means of Mandrake update.
I now logged in as root then in a terminal
step 1 - "cd /usr/src/linux"
step 2 - "make xconfig" (Here under processor type and features I changed processor family to Athlon/Duron/K7 and saved)
step 3 - "make dep"
step 4 - "make bzImage"
step 5 - "make modules"
step 6 - "make modules_install"
step 7 - "make install"
step 8 - "lilo"
you may need to install some packages to build you new kernel