Support AMD 2200+ 2000+ (FSB 266) CPU (AXDC2200DUV3CAXDC2000DUV3C) only for PCB 2.1 and above Specifications: 1. Socket A for AMD Duron/Athlon processor 2. VIA KT133A/686B chipset 3. Support PC133 SDRAM 4. AC97 audio chip 5. ATX form factor