Support access usb device under dos.Very useful

doswrite for usb device refernce code

VB源码实现网口控制安捷伦N6700A仪器，ZIP包中包含工程等多个文件-Communication with the N6700A over LAN may be accomplished without the use of I/O libraries or drivers. In this example it is accomplished using Winsock. Dynamic Host Configuration Protocol (DHCP) is typical

松下的USB设备在DOS下驱动，支持你的电脑主板南桥的制造商是Intel、NEC、nVIDIA、VIA或者SIS之一-From at Panasonic developed in 2003 a DOS environment USB device application solutions, which was originally developed to be used in the Panasonic company s own production facilities, but as