noun
jumper selectable
Computing term for a hardware setting that can be configured via a physical jumper on a circuit board.
このボードはジャンパ選択可能で、IRQを変更できます。
This board is jumper selectable, so you can change the IRQ.
Compound of ジャンパ (from English 'jumper') + 選択可能 (selectable). A technical term used in computing hardware contexts.