XP is known to have poor support for composite USB devices (and no support at all before SP2), but I remember I was able to install the drivers manually on XP SP3 some times ago so I believe it's possible to do it with some Driver manager digging 
XP is known to have poor support for composite USB devices (and no support at all before SP2), but I remember I was able to install the drivers manually on XP SP3 some times ago so I believe it's possible to do it with some Driver manager digging