I have installed Mandrake 8.1 - the installation went without a
glitch. Unfortunately, the image on my TFT display jitters (wrong
V-synch?).
I have system with a Matrox G450 video card and an IBM T55A
analog TFT LCD display. How can I change the display refresh from 75
HZ to 70 Hz for display size 1024 x 768 (the most optimal for best image
quality
under Windows)?
The manual of my monitor indicates the following refresh rates for
the highest resolutions:
Factory Set Display Modes
� Recommended
Addressability Refresh Rate Horizontal Frequency
1024 � 768� 60 Hz 48.4 kHz
1024 � 768 70 Hz 56.5 kHz
1024 � 768 75 Hz 60.0 kHz
I have tried by changing the parameter VertRefresh in the
/etc/X11/XF86Config as follows
VertRefresh 70
Restarted X but this does not change the refresh rate (checked with
xvidtune). Is there something else I should do to get 70 Hz and a
stable picture?
Thanks for your help.
Oz
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