PC的I/O体系结构 CPU VO bus 生能年和卡作华年华 年华出出年华车年华自车和华单出海中华华年车年毛华非华生单保 4008 1/0 Port 1/0Port 1/OInterface 1/0 Device 室 1/0 Controller JRY2023/7/14 Linux OS Analysis 5/105 PC的I/O体系结构