actually i've recomipled and this is the error im' getting:
make: *** [drivers/char/rio/rio_linux.o] Error 1
make: *** [drivers/char/rio] Error 2
make: *** [drivers/char] Error 2
above, a message stating that this driver is for 32-bit platofmrs only.
now, where the heck is this driver? i want to disable it but can't find it in the menuconfig dialogues...