You can use the registry to configure Ramdisk. The Ramdisk.inf file contains the default values for all the configurable parameters. This is Boolean value that determines whether a break point is generated during the DriverEntry routine. It has no effect in a free build of the driver. This value specifies the level of diagnostic messages produced.
Larger values result in more verbose messages.
It can take values from 0 to 3. It has no effect in a free build of the driver. This value specifies the components in which the debug messages are printed. Each bit specifies the component. See Debug.h for a component list.