Setting Vertical refresh

[Gontran]

* Mark Berkwitt (mberkwitt@home.com) wrote:
> Using Redhat 7.2 and finding it's pushing my Matrox G450 and monitor to
> frequencies beyond the monitors capabilities. The specs list at 160Hz max.
> I want the Vert. refresh to be set at 85Hz.
> How can I force this setting?

Use Xvidtune to determine some modelines?   Add them to your Monitor
section for the resolution you like... Be careful.

hth,
Gontran