A switch located on the operator panel of an IBM 8100 Information System processor that is set to identify the type of initial program load (primary or manual) desired. The primary position indicates that the user does not wish to control the IPL procedure and accepts the IBMassigned options. The manual position indicates that the user wishes to control the IPL procedure to make changes.; 設(shè)置在IBM 8100信息處理系統(tǒng)處理機操作員控制面板上的一個轉(zhuǎn)換開關(guān)。開關(guān)所處位置 指明所希望的IPL的類型(初啟或手動)。初啟位置表明用戶不希望控制IPL過程而接受IBM所 指定的選項。手動位置表明用戶希望作些改變?nèi)タ刂艻PL過程。