The communication controller hardware unit that contains the circuits and data f low paths needed to execute instructions and to control its storage and the attached adapters.; 通信控制器硬件設(shè)備,其中含有為執(zhí)行各種指令以及為控制其存儲器和相連的適配器所需的各種電路和數(shù)據(jù)流路徑。