425 SX (250-1630/259-5146) OS/2 Drivers Faxback Doc. # 1810 OS/2 drivers are provided for Version 1.2 and 1.3 Presentation Manager. Follow these steps the first time you use the OS/2 display drivers: Note: If you change the refresh rate or disable and re-enable the SVGA circuitry, repeat these steps to ensure that OS/2 uses a video mode that is compatible with the SVGA circuitry and monitor. 1. Make sure the OS/2 SVGA Accelerator drivers diskette is not write protected. Then, restart your computer with this diskette in Drive A. Follow the instructions on the screen. The software records the parameters for the SVGA circuitry and monitor selections in the MTABLE.WDC file on the diskette. 2. If OS/2 is not already installed, install it with the standard VGA driver packaged with OS/2. 3. Restart your computer with the OS/2 installation diskette in Drive A. When the first OS/2 screen is displayed, press ESC to enter the OS/2 command interpreter. 4. Change to the \OS2\INSTALL directory on Drive C. 5. Run DDINSTAL, and follow the directions on the screen.