Lenovo SYSTEM BOARDS
04W3598
is compatible in the following Models:
Lenovo ThinkPad X Series Tablet laptops
ThinkPad X220 Tablet - 4294CTO
ThinkPad X220 Tablet - 4298CS4
ThinkPad X220 Tablet - 4298CTO
ThinkPad X220 Tablet - 4298CU5