Yes, it does matter whether you install 32 or 64 bit, since you can't exchange drivers between 32 and 64 bit platforms. Anyway, if you install 32 (or 64 bit XP), you'll need these: http://support.asus.com/download/download....SLanguage=en-us Just select the applicable 32 or 64 bit version(s). For integrating, you'll need at least the chipset driver. But I would pick the audio driver as well. To integrate the drivers, look here for some tutorials and guides.