... serials :p4 1.4G,p4 1.5G,p4 1.6G,p4 1.7G,p4 1.8G,p4 2.0G,p4 2.26G, p4 2.53,p4 2.66,p4 2.8A,p4.2.4A, 2.4B,2.4c, p4 2.8B,p4 3 ... .0G,celeron3 , celeron 4 serials:1.4G,1.5G,1.6G,1.7G,1.8G,2 ... .0G,2.26G,2.4G,2.4A,2.4B,2.4C,2.8b,2.8c ,C331,C336Socket 775 pinless serial:P4 506, 805,PD 925, PD 915,P4 2 ...