开发Windows9x下的电火花加工数控系统的关键技术|第1论文网 关键词：虚拟设备驱动程序；Windows 9x；电火花加工；数控系统Key Technologies of Developing NC System for EDM in Window[gap=463]Keywords：VxD；Windows 9x；EDM；NCsystem
How to protect the CMOS data with VXD technology is discussed in this paper.
探讨了如何用VXD技术来加强对CMOS数据的保护。
2
Whether to use standard O/S services, or put some code into the kernel (e. g. in a custom driver, kernel module, or VxD)
是否使用标准的操作系统服务，还是把一些代码放入内核中（如自定义驱动，内核模块。
3
The difficulties of the whole system design are the design of the pit judgment arithmetic, the writing of the HY6070 VXD, the design and operation about the database.