27R1925 - IBM (Motherboard) Board 1.2GHz 512MB for ThinkPad X40 27R1925 - IBM (Motherboard) Board 1.2GHz 512MB for ThinkPad X40 $95.17
39T0364 - IBM / Lenovo (Motherboard) with 1.5GHz CPU for ThinkPad X40 39T0364 - IBM / Lenovo (Motherboard) with 1.5GHz CPU for ThinkPad X40 $222.93