Example

Plug and Play processing early in the system's entry to protected mode might follow a series of steps like this:

• Configuration Manager initializes, creates root device node.
• Enumerates children, creates device node for PnP BIOS.
• Notifies BIOSENUM VxD that its device node exists.
• DirectedSysCtrl("BIOSENUM", PNP_NEW_DEVNODE, STATIC_DRIVER, DevNodeHandle)
• BIOSENUM registers as enumerator.
• Configuration Manager calls BIOSENUM to enumerate. It creates device nodes and the process continues.