Lenovo SYSTEM BOARDS
5B21A13040
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS06G1D
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS08D09
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS0JL00
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS20400
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS3QF1E
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS4N203
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UWCTO1WW
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UWCTO1WWENAU1