Is it possible to run a dual Intel Celeron box ?
Official answer from Intel: no, Celeron cannot work in SMP mode. Practical answer: it is possible, but requires hardware alteration for Slot 1 processors. Alteration is described by Tomohiro Kawada on his Dual Celeron System page. Of course, this kind of modification removes warranties… Some versions of Celeron processor are also available in Socket 370 format. In that case, alteration may just be done on the Socket 370 to Slot 1 adapter or (reported by Andy Poling) may even be sold pre-wired for SMP use. Price is the counterpart of this solution: one adapter costs about half the price of your lower end processor…