Per Lenovo ThinkBook 14s-IML I7-10510U scheda madre computer portatile 5B20S43335
For Lenovo ThinkBook 14s-IML I7-10510U 5B20S43335 Laptop Motherboard. Due to transportation safety, CMOS battery cannot be installed normally. For Lenovo:FRU:XXXXXXX or 5BXXXXXXXX. box contains: is only one motherboard.