Compatibility Information | Designed For | IBM ThinkPad R50 ¦ IBM ThinkPad R50e ¦ IBM ThinkPad R51 ¦ IBM ThinkPad R52 ¦ IBM ThinkPad T40 ¦ IBM ThinkPad T40p ¦ IBM ThinkPad T41 ¦ IBM ThinkPad T41p ¦ IBM ThinkPad T42 ¦ IBM ThinkPad T42p ¦ IBM ThinkPad T43 ¦ IBM ThinkPad T43p ¦ IBM ThinkPad X30 ¦ IBM ThinkPad X31 ¦ IBM ThinkPad X32 ¦ IBM ThinkPad X40 ¦ IBM ThinkPad X41 ¦ Lenovo ThinkPad R50 ¦ Lenovo ThinkPad R50e ¦ Lenovo ThinkPad R50p ¦ Lenovo ThinkPad R51 ¦ Lenovo ThinkPad R51e ¦ Lenovo ThinkPad R52 ¦ Lenovo ThinkPad T40 ¦ Lenovo ThinkPad T40p ¦ Lenovo ThinkPad T41 ¦ Lenovo ThinkPad T41p ¦ Lenovo ThinkPad T42 ¦ Lenovo ThinkPad T42p ¦ Lenovo ThinkPad T43 ¦ Lenovo ThinkPad T43p ¦ Lenovo ThinkPad X30 ¦ Lenovo ThinkPad X31 ¦ Lenovo ThinkPad X32 ¦ Lenovo ThinkPad X40 ¦ Lenovo ThinkPad X41 ¦ Lenovo ThinkPad X41 Tablet |