Specifications for GA-H81M-S2PV rev. 2.0 read:
Operating System: 1.Support for Windows 8.1/8/7
Intel ended support for Windows XP and Vista with the Series 7 chipset. As a result, there are no drivers for Windows XP and Series 8 chipset motherboards such as the Intel H81 Express Chipset GA-H81M-S2PV rev. 2.0.