INT 21 - LAN Manager Enhanced DOS - LOCAL NetServiceControl AX = 5F42h DH = opcode 00h interrogate status 01h pause 02h continue 03h uninstall DL = argument 01h disk resource 02h print resource 04h communications resource (not implemented for DOS) ES:BX -> NetServiceControl parameter structure (see #01712) Return: CF clear if successful CF set on error AX = error code