INT 65 - NetSoft DOS-NET v1.20+ - INSTALLATION CHECK???

	DX = 4147h
	BH = 80h
Return: CF set
	AX = 0001h
Range:	INT ?? to INT ??, selected by configuration option; actual interrupt
	  number and function number may be retrieved via INT 2A/AX=4147h
Note:	this call is supported by CLIENT.COM, SERVER.COM, and ROUTER.COM
SeeAlso: DX=4147h,INT 2A/AX=4147h