Officially and really you cannot run recent celerons (tualatin or otherwise) in SMP. There is no way around this without some very high quality silicon, a couple of billion dollar fab plant and some really smart engineers.
Of course, you could just keep <A HREF="http://forumz.tomshardware.com/modules.php?name=Forums&file=faq¬found=1&code=1" target="_new">asking us again</A> until it becomes true. Why do you keep asking (exactly the same question cut & pasted) if you don't believe us?
-* <font color=red> !! S O L D !! </font color=red> *-
To the gentleman in the pink Tutu