The result below...i believe,belongs to the Celeron 478s 335 section.
http://www.hwbot.org/compare.do?resultId=570425
This one,also...(Family 15 Model 3 Stepping 3) 256kb cache...that's a prescott core...so its a Celeron 335
http://www.hwbot.org/compare.do?resultId=574804
Also,this one is NOT a mobile XP2500+ ...it's a regular Barton XP2500+
http://www.hwbot.org/compare.do?resultId=506961