The I2O model makes I/O device drivers portable across multiple operating systems,processors and bus technologies by splitting them in half -- the Operating System Service Module and the Hardware Device Module.

 
  • I2O模块通过把I/O设备驱动程序一分为二,即操作系统服务模块与硬件设备模块,使其能在多种操作系统、处理器和总线技术上进行移植。
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