Asus PCI-V264CT User Manual page 28

IV. Microsoft Windows 3.x
If your monitor came with a VDIF file then you may insert it into your floppy drive
and press the "Load VDIF" button. The "Custom" button allows you to select the
resolution and refresh rates. You may try out different settings that will optimize
your display preferences but too high of a refresh rate will push your monitor past its
specifications. Use the Preview/Adjust to see the results and allow digital adjust-
ments to the screen. If the image is distorted you may press <Esc> or wait a few
seconds to return to the original menu without the change.
28 ASUS ATI VGA User's Manual