Thank you for choosing the MS-7255 Series (MS-7255 v1.X/v2.X) Micro ATX mainboard. The MS-7255 Series mainboards are based on VIA® P4M890/P4M900 & VIA® 8237A chipsets for optimal system efficiency. De- signed to fit the advanced Intel® Pentium 4 processor, the mainboards deliver a high performance and pro- fessional desktop platform solution.