From Unofficial Stationeers Wiki
Motherboards are used in Computers. Their functionality changes depending on the inserted motherboard.
Warning Motherboard logic is being phased out. It is horribly glitchy discretion is advised
|Motherboard (Logic)|| Can be used to set variables and actions based on inputs (ex: if solar angle < 1, set solar panel vertical to 0)|
You have to set this for individual items, so mass configuration is very time-consuming.
|Motherboard (Manufacturing)||Allows interaction with the Fabricator|
|Motherboard (Sorter)||Allows to set the whitelist for the sorters to let through|