This directory contains RTVGA ADI driver: 1. ADI-2.0 Driver for ACAD v2 or above: DS86.EXE -> 800x600/16 colors 2. ADI-4 Driver for ACAD R9 or above, and ASHADE v1.x: RADI.EXE -> 640x400/16 colors -> 800x600/16 colors -> 1024x768/4 colors -> 1024x768/16 colors (required 512KB) -> 640x400/256 colors -> 640x480/256 colors (required 512KB) -> 800x600/256 colors (required 512KB) -> 1024x768/256 colors (required 1MB) -> 1024x1024/256 colors(required 1MB) -> 1280x1024/16 colors (required 1MB) Run RADI.EXE to reconfigure your ADI environment. (1): Select RTVGA entended mode (2): configure Individual color for the graphics screen (3): Set SINGLE or DUAL screen configuration (4): Select interrup vector for the screen driver. (5): Remove previous installed driver (6): Save your changes, if you want to update ADI envirnment. (7): Remove old screen driver if it was stayed in menory, and Install new screen driver. Note: 1. Be sure there is no other program running in the memory, if you would install new driver for AutoCAD/AutoShade, otherwise your system memory would be occupied too much. 2. "1024 x 768 / 4 colors" can't change configure Individual color for the graphics screen & just support display only.