AMD Athlon cpu processor marking, Example. A1200AMS3C
AMD CPU type A = Athlon, D = Duron.
AMD CPU clock freq 1000 = 1000MHz, 1200 = 1200MHz
AMD package type M = Card Module, A = PGA
AMD CPU core volt P = 1.7v, M = 1.75v
AMD die temp R = 70, Y = 75, T = 90, S = 95 Celsius
AMD L2 cache size 2 = 128KB, 3 = 256KB
AMD max FSB A = B = 200MHz, C = 266MHz
The line below this line should have your stepping code, followed by the manufacture date.
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