Lenovo CARDS MISC INTERNAL
04W1697
is compatible in the following Models:
Lenovo ThinkPad T Series laptops
ThinkPad T420s - 4170CTO
ThinkPad T420s - 4173CTO
ThinkPad T420s - 4173JLM
ThinkPad T420s - 4173JYM
ThinkPad T420s - 4173RT1
ThinkPad T420s - 417429M
ThinkPad T420s - 4174AC3
ThinkPad T420s - 4174FP3