In System/38, a panel located adjacent to the system console on the system unit that contains lights and switches that are used primarily when the system is started or serviced. 在IBMSystem／38中，位於系統部件上並與系統控制台鄰接的一種面板，它包含主要用於系統啟動或維護時所需的指示燈和開關。
A stand-alone disk drive that reads and writes data on rigid disks and can be attached to a port on the system unit. 一種讀、寫硬磁碟上數據的獨立的磁碟機，可以連接在系統設備埠上。
Peripherals are real devices, such as graphics cards or disks controlled by controller chips on the system board or on cards plugged into it. 外設是一些物理設備，比如說圖象卡或者磁碟，它們受控於位於主板或者主板上插槽中的控制晶元。
