Hi i have Compaq Persario M2000 Series M2208UT laptop which has Realtek 8139 builtin lancard which my OS X 10.4.9 has detected and is fuctional but recently i had lent it to someone who managed to break 2 of the pins of the inbuilt lan port. So i went out and purchased a PCMCIA Cardbus RTL 8139 Realtek Lancard [EN 238] from argosy [www.argosy.com] i thought i would work fine but it isnt can anyone help me out. It works just fine with my windows xp. Thanks in advance for the help