Touchpad tapping in Suse 9.1

TRY
//Putting it at the end of the append
boot=/dev/hda
default="linux"
prompt
nowarn
timeout=100
message=/boot/message
menu-scheme=wb:bw:wb:bw
image=/boot/vmlinuz
label="linux"
root=/dev/hda5
initrd=/boot/initrd.img
append="devfs=mount acpi=ht resume=/dev/hda6 splash=silent psmouse.proto=imps"
vga=788
read-only