How do you save as Tag, CCK Field, or both?

Need help...

I can't seem to find the data setting options for:
-Save as Tag
-Save in CCK table
-Both

When I go to configure a Content Taxonomy Field I created all I see is a
'Save values additionally to the core taxonomy system (into the 'term_node' table)' option in Global Settings....

...and that dosen't seem to work anyway (in terms of also saving it as a tag)

What am I missing?!

Thanks,
Tarmo