When you set your preference options for AMT, you must set the color depth to 256 colors as the first option. You must also make sure the the driver is set to 256 colors on the 6100/DOS compatible. It cannot be set for 16 colors and it will not do any thing above 256 colors, so 256 is your only option.
This article was published in the Information Alley on 1 April 1996.