Int 2F Fn E300  - Blank - Installation Check                               [V]

   AX = E300h

Return: AL = FFh if installed
       ES = resident code segment
Program: Blank is a shareware screen blanker by Yonah Schmeidler

Note:  AH=E3h is the default, which may be reconfigured by the installation
     program in the registered version
Index: screen saver;Blank