If you're referring to XFree86, you can configure a precise scanrate in xf86config. However, I do not know about the console .. I don't have any experience with fixed freq. monitors, but if you can manage to get the console and X to use that frequency you should be golden.
Maybe you can find a HOWTO .. -- Deven In a message dated 7/29/01 3:57:00 AM Eastern Standard Time, [EMAIL PROTECTED] writes: << i managed to get two 20" monitors today - but both are fixed frequency. does anyone have any experience in getting a monitor of this kind to work with linux? am >>