INT 2F - SETWPR.COM - INSTALLATION CHECK                                        
	AX = C300h
Return: AL = FFh if installed
Program: SETWPR is a hard-disk write-protection TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. by Jaroslaw Rafa
SeeAlso: AX=C302h"SETWPR"