Part
42T0991
is utilised in the following Models:
20893RM
ThinkPad T500 - 20893RM
276712M
ThinkPad T400 - 276712M
27763KM
ThinkPad X Series laptops ThinkPad X301 27763KM
2776A16
ThinkPad X Series laptops ThinkPad X301 2776A16
7453EGM
ThinkPad X200 Tablet - 7453EGM