Intel's current mainstream chipsets are H55, P5545\/43, G45, etc., supporting ddr2 800 and ddr3Intel 5 series chipsets supporting the latest LG A1156 processor. The previous chipsets have 845,865,945, and so on are all Intel chipsets supporting the Ben4 processor. Except for now, Intel's latest 3 series chipsets are generally the larger the number, the newer the chipset. In addition, the ordinary chipset (plus the letters P G, etc.) refers to the chipset used in the desktop computer, and the chipset used in the notebook is generally added M(Mobile).