Translation guide
The main circuit board of a computer. In Japanese, the English loanword マザーボード is most common, but native terms like メインボード and technical terms like 主基板 are also used.
The primary printed circuit board in a computer that holds the CPU, memory, and connectors.
The most common and widely understood term, borrowed from English. Used in everyday conversation and technical contexts.
I bought a new motherboard.
A native Japanese-English compound meaning 'main board'. Less common than マザーボード but still understood.
This PC's main board is old.
A technical term meaning 'main substrate/board'. Used in engineering or formal documentation.
We changed the design of the main board.
The motherboard broke.