Your Enhanced VGA Adapter is designed to provide compatibility with
following modes: VGA, EGA, CGA, MDA and Hercules mode.  

BMODE.EXE is the utility program which is used to switch display 
modes after the PC is turned-on.  Because your Enhanced VGA Adapter
supports various types of monitor, various display standards and 
70Hz and/or 72Hz flicker-free mode, you have to properly set the
card into the specific mode desired via BMODE.

BMODE is an easy-to-use, menu-driven program.  When executing BMODE
at DOS prompt, type BMODE and press ENTER.