来自台湾的USB系统开发学习资料，包括USB协议介绍，USB固件编写和USB驱动开发，共10章。非常好的学习资料
The material for USB device development include how to write the usb driver totally there are 10 chapters. (2011-05-26, PDF, 8070KB, 下载24次)
pci总线规范的中文版本.解释的非常详细,不习惯英文的同志赶快下吧.
pci bus specification Chinese version. explain in great detail, not accustomed to English as soon as possible, are you comrades. (2008-05-21, PDF, 1108KB, 下载105次)
1394串行总线协议的OHCI协议，在车载娱乐系统和测试仪器中应用比较广泛.
1394 Serial Bus OHCI agreement agreement, in-car entertainment systems and test instruments in a much wider application. (2007-07-29, PDF, 1226KB, 下载31次)