2 Port USB 2.0 & 2 Port PS/2 Combo to PCI Adapter Converter Card NEC Chipset Reliable chipset NEC D720102 (for USB port) & CHESEN CSC0101A (for PS/2 port). PCI specification revision 2.2 compliant with 66Hz & 32-bit data. Compliant with USB specification Rev. 2.0, USB specification Rev. 1.1 & PS/2 specification. 2 external USB type A female connectors available. 2 external PS/2 female connector available. The green one for mouse and the purple one for keyboard.