Found this at my grandparents house(amd athlon 1999).the thermal paste was making it shut down every 20 seconds because it blocked heat transfer : r/ Amd
A Look Back At The AMD Athlon Processor Series - Legit Reviews
Amazon.com: AMD ATHLON XP 2600 CPU THOROUGHBRED CORE SOCKET A 462 PIN 2.133 GHz 266 FSB : Electronics