i have just purchased windows xp home ed upgrade however my isdn pci card appears not to be compatible and has no driver ,i haven't fully installed xp as i get a message warning me of the problem with the card,the card appears to be generic and there is absolutely no manufacturer info on the card or manual.the words hfc-s and umec are on the pcb and the manual says compatible with Windows 95/OSR2/98/NT4.0/ME .where do i go from here do i chance the install or is there a driver available thanks in advance