change refresh rate in Redhat 8.0

A-star

Senior member
Oct 10, 1999
322
0
0
I'm stuck at the moment at a 60hz refresh rate in Linux.
Since i'm kind of newbie I have no clue how to change it,
I tried to do it through the menu I found but it doesn't work, now I'm trying to do it by manually editing the config file, but don't know what to change
My monitor has a vertical refresh rate of 50-160 and a horizontal refresh rate of 30-95
I want to have at least a refresh rate of 85hz.
Can anyone tell me what I have to change?
Here is the config file:

# XFree86 4 configuration created by pyxf86config

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "DevInputMice" "AlwaysCore"
EndSection

Section "Files"
# RgbPath is the location of the RGB database. Note, this is the name of the
# file minus the extension (like ".txt" or ".db"). There is normally
# no need to change the default.
# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Red Hat 6.0 and later now use a font server independent of
# the X server to render fonts.
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
EndSection

Section "InputDevice"
# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
# Option "Xleds" "1 2 3"
# To disable the XKEYBOARD extension, uncomment XkbDisable.
# Option "XkbDisable"
# To customise the XKB settings to suit your keyboard, modify the
# lines below (which are the defaults). For example, for a non-U.S.
# keyboard, you will probably want to use:
# Option "XkbModel" "pc102"
# If you have a US Microsoft Natural keyboard, you can use:
# Option "XkbModel" "microsoft"
#
# Then to change the language, change the Layout setting.
# For example, a german layout can be obtained with:
# Option "XkbLayout" "de"
# or:
# Option "XkbLayout" "de"
# Option "XkbVariant" "nodeadkeys"
#
# If you'd like to switch the positions of your capslock and
# control keys, use:
# Option "XkbOptions" "ctrl:swapcaps"
# Or if you just want both to be control, use:
# Option "XkbOptions" "ctrl:nocaps"
#
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc102"
Option "XkbLayout" "fr"
EndSection

Section "InputDevice"
# Modified by mouseconfig
Identifier "Mouse0"
Driver "mouse"
Option "Device" "/dev/mouse"
Option "Protocol" "IMPS/2"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
# If the normal CorePointer mouse is not a USB mouse then
# this input device can be used in AlwaysCore mode to let you
# also use USB mice at the same time.
Identifier "DevInputMice"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "AOC Spectrum"
DisplaySize 320 240
HorizSync 30.0 - 95.0
VertRefresh 50.0 - 160.0
ModeLine "1400x1050" 129.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 151.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 162.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 184.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
Option "dpms"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "vesa"
VendorName "Videocard vendor"
BoardName "ATI Radeon 9000"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Modes "800x600"
EndSubSection
SubSection "Display"
Depth 16
Modes "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "DRI"
Group 0
Mode 0666
EndSection
 

cleverhandle

Diamond Member
Dec 17, 2001
3,566
3
81
Originally posted by: A-star
ModeLine "1400x1050" 129.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 151.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 162.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
ModeLine "1400x1050" 184.0 1400 1464 1656 1960 1050 1051 1054 1100 +hsync +vsync
Try commenting that out with #'s. ModeLines usually aren't necessary anymore.
 

cleverhandle

Diamond Member
Dec 17, 2001
3,566
3
81
Ah... now I see
Driver "vesa"
The vesa drivers are very basic and not hardware-specific. Either they flat-out don't support over 60Hz or maybe just won't do it at the resolution you want. I think there are ATI drivers now - you'll need to look into those.