What driver i must create SMP or not and what is the difference? >To build UP module, type: >make -f Makefile.rh >The file created is 3w-9xxx.o >To build SMP module, type: >make smp -f Makefile.rh >The file created is 3w-9xxx.smp Kernelversion at this time is root at server8 [/boot]# uname -r 2.4.21-27.0.2.ELsmp Thanks Sven