Maybe it is regional.
But Ive heard mainboard used for at least 15 years or so in Germany.
Well before the whole shift in language thats going on.
Well before the whole shift in language thats going on.
Even manufacturers like MSI for example use the term "Mainboard" in German [1] but "motherboard" in English [2]
[1]: https://de.msi.com/Motherboards/ [2]: https://us.msi.com/Motherboards/