Lenovo L440 Motherboard - 04X1973 00HM535 20AS Working Replacement System Board
Part code: 00HM535, equivalent to 00HM536, 04X1973, 04X1974. A motherboard for the Lenovo Thinkpad L440 (20AS). Main system board only. Does not include ribbon cables, sub boards, heatsink/fan or WiFi module.