Lenovo SYSTEM BOARDS
5B21A13031
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS0B500
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS2W700
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS2WJ00
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS30400
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS4US00
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UVS5MV00
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UW0018AU
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UW001BAU
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UW0078AU
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UWCTO1WWENAU1
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UWS00W00