1. Get packages: a). Intel-536ep-4.69-14.8.i586.rpm
b).intel-536EP-2.56.76.0.tgz
2. Install the RPM
3. Edit the /etc/init.d/boot.local and replace the content with:

#! /bin/sh
#
# Copyright (c) 2002 SuSE Linux AG Nuernberg, Germany. All rights reserved.
#
# Author: Werner Fink <werner@suse.de>, 1996
# Burchard Steinbild, 1996
#
# /etc/init.d/boot.local
#
# script with local commands to be executed from init on system startup
#
# Here you should add things, that should happen directly after booting
# before we're going to the first run level.
#

insmod -f /lib/modules/$(uname -r)/kernel/drivers/char/Intel536.ko
Intel536 module should be loaded
modprobe -f Intel536
mknod /dev/536ep c 240 1
chmod g+w /dev/536ep
chgrp dialout /dev/536ep
rm -f /dev/modem
ln -sv /dev/536ep /dev/modem

4. Untar the TGZ and do:
su
password
make clean
make 536
make install
5. Ignore the error
6. Restart the system
7. Kmenu/System/Yast --> Network Devices --> Modem, then set mounting point as
/dev/modem
8. Set the profile needed for your provider.
END

minthaka