Int 2F/AX=DF01h/BX=0000h

AX = DF01h
BX = 0000h

Return:
AX = FDFFh if installed
BX = segment of resident code

Program: MSG.COM is a TSR for intercepting incoming Novell broadcast messages written by Gary Dobbins (Dobbins@Arizona.Edu)

Category: Network - Int 2Fh - M