Will a PCIe video card work on Windows XP?
Yes. A PCIe video card will work on current operating systems, because PCIe is software compatible with PCI. PCIe hardware will work on operating systems that support PCI. For example, on current versions of Windows an x16 video card will be able to transfer data at the higher x16 rate of 4 Gbps. 1.1.23 Clear CMOS settings by removing battery First locate the battery on the board. The battery is similar in shape and size to a nickel. There should be a small clip on the side of the battery socket. Unclip the battery and the battery should pop up and you can to remove the battery Remove the battery for several minutes and then re-install the battery.