Hello I have just installed mac os x leopard 10.5.5 on my pc.The problem is that the os doesn't recognise my network card.Its atheros L1.I searched the web and I only found drivers for the 10.5.6 version.Can anyboby help me to solve this problem?????Can I find drivers for the 10.5.5 version????If I update to 10.5.6 will the system crash????