MNTMIR.BAT - Set refresh rate The program is located in your SPEA\GDC directory and is started from there from the DOS prompt with the following call: MNTMIR n whereby n stands for a number from 0 to 4 which represents the maximum refresh rate frequency that your monitor can handle. n = 0 up to 38 kHz n = 1 up to 48 kHz n = 2 up to 56 kHz n = 3 up to 58 kHz n = 4 up to 64 kHz Read the file BIOS.TXT to see which mintor classes can handle which frequencies.