PowerLeap PL-370/SMP Socket 370 Upgrade Kit with Celeron 1.4 GHz Tualatin CPU. Used in good working condition. The PowerLeap PL-370/SMP kit upgrades Socket 370 Intel Coppermine motherboards to support Intel Celeron Tualatin processors up to 1.4 GHz. Includes the adapter, CPU cooler, cables, and Intel Celeron 1400 MHz (1.4 GHz) SL64V 1400/256/100/1.5 Socket 370 FC-PGA2 Tualatin processor, and installation guide.IMPORTANT - PLEASE READ!FOR SOCKET 370 MOTHERBOARDS ONLY! WILL NOT WORK WITH "SLOCKET" TYPE OR ANY OTHER ADAPTERS. CANNOT BE USED TO UPGRADE A PENTIUM II/III SLOT-TYPE (SLOT 1/SECC/SECC2) MOTHERBOARD. MUST BE INSERTED DIRECTLY INTO THE 370-PIN PROCESSOR SOCKET ON THE MOTHERBOARD TO WORK. MUST BE USED WITH CELERON TUALATIN PROCESORS ONLY - WILL NOT WORK WITH PENTIUM III TUALATIN PROCESSORS.These adapters are discontinued and practically impossible to find.