Int 2F Fn C700  u - Colap - Installation Check                             [V]

   AX = C700h
   CX = 434Ch  "CL"

Return: AL = FFh if installed
Program: colap.com is a freeware TSR by Eric Meyer which controls contrast
     and brightness of color laptops by changing the VGA palette colors;
     for Toshiba laptops there are more hotkeys for shutting off display
     and harddisk.