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01-30-2005, 06:39 AM
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#1
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Rep:
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60 hertz screen, dunno how to change it to 85.
I own a 500 mhz, intel P3 PC with an darn old, S3 3D videocard (4mb). Linux runs fine, but i got one problem, the refresh rate. Its at 60 hertz, where my Win XP can handle 85. How do i change it under FC3?? Plz help me, and dont give too complicated answers cuz im a  .
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01-30-2005, 08:50 AM
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#2
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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the simple solution to this problem
open up ur /etc/X11/xorg.conf file
there u need to change the vertical and horizontal refresh rates of ur monitor
lookup in ur monitor manual for that
also before editing that file , take a backup of that file in case things do not work out the way u want
regards
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01-30-2005, 09:39 AM
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#3
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Original Poster
Rep:
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... dont works
it dont works.... luckily for me a resq prog helped me out...
those are my monitor specs :
Sampo Alphascan 712 (KM-712)
Size: 17" (16" Diagonal Viewable Area)
Dot Pitch: 0.27mm
Type: Flat Square Tube
Resolution: 1280 x 1024 @ 66Hz
H-Freq.: 30 KHz ~ 72 KHz
V-Freq.: 50 Hz ~ 160 Hz
Dot Rate: 110 MHz
And this is my CURRENT xorg.conf
# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
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"
Load "dri"
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 "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Sampo Tech."
DisplaySize 320 240
HorizSync 30.0 - 70.0
VertRefresh 50.0 - 120.0
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "vesa"
VendorName "Videocard vendor"
BoardName "VESA driver (generic)"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "DRI"
Group 0
Mode 0666
EndSection
What do i have to do!?
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01-30-2005, 10:09 AM
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#4
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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hi
maybe u would like to change the settings in this section of ur file
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Sampo Tech."
DisplaySize 320 240
HorizSync 30.0 - 70.0
VertRefresh 50.0 - 120.0
Option "dpms"
EndSection
change the HorizSync and VertRefresh
with H-Freq.: 30 KHz ~ 72 KHz
V-Freq.: 50 Hz ~ 160 Hz
then after u restart ur X server
there is an option id diapy settings in system setings
there u can change further .
and what was this for " it dont works.... luckily for me a resq prog helped me out..."
regards
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02-01-2005, 11:43 AM
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#5
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Original Poster
Rep:
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and now...??
its still in 60 hertz....
im using XCFE 4.2
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02-01-2005, 12:17 PM
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#6
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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hsync in kHz; monitor type with characteristic modes
1 31.5; Standard VGA, 640x480 @ 60 Hz
2 31.5 - 35.1; Super VGA, 800x600 @ 56 Hz
3 31.5, 35.5; 8514 Compatible, 1024x768 @ 87 Hz interlaced (no 800x600)
4 31.5, 35.15, 35.5; Super VGA, 1024x768 @ 87 Hz interlaced, 800x600 @ 56 Hz
5 31.5 - 37.9; Extended Super VGA, 800x600 @ 60 Hz, 640x480 @ 72 Hz
6 31.5 - 48.5; Non-Interlaced SVGA, 1024x768 @ 60 Hz, 800x600 @ 72 Hz
7 31.5 - 57.0; High Frequency SVGA, 1024x768 @ 70 Hz
8 31.5 - 64.3; Monitor that can do 1280x1024 @ 60 Hz
9 31.5 - 79.0; Monitor that can do 1280x1024 @ 74 Hz
10 31.5 - 82.0; Monitor that can do 1280x1024 @ 76 Hz
11 Enter your own horizontal sync range
this is from xorgconfig ,u can see that u need to choose ur horizontal rates
choose the one which u like and put that in that file and see if it works
regards
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02-02-2005, 07:42 AM
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#7
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Original Poster
Rep:
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where is xorgconfig?

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02-02-2005, 10:01 AM
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#8
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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what u need to do is choose the horizontal refresh rate according to ur frequency
and put that in that xorg file
regards
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02-03-2005, 07:38 AM
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#9
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Original Poster
Rep:
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I just dont get it.
could u just send a complete xorg.conf to joris.claassen@gmail.com ??
Thank u
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02-03-2005, 09:51 AM
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#10
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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what resolution do u use in windows with 85 hz
and what video card do u have give more details
regards
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02-03-2005, 03:47 PM
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#11
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LQ Newbie
Registered: Feb 2005
Location: Des Moines, IA
Distribution: Fedora Core 3
Posts: 4
Rep:
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Why don't you just click on applications(or the hat or foot), preferences, screen resolution and change it there?
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02-04-2005, 04:14 AM
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#12
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LQ Guru
Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
Posts: 5,522
Rep:
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Quote:
Originally posted by paseo1997
Why don't you just click on applications(or the hat or foot), preferences, screen resolution and change it there?
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i think that will not change that since the vertical /horizontal refresh rates used are diferent for different frequencies
so first u need to change that horizontal/vertical rates and then u can change that resolution from the path u specified
regards
regards
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02-04-2005, 12:09 PM
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#13
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LQ Newbie
Registered: Feb 2005
Location: Des Moines, IA
Distribution: Fedora Core 3
Posts: 4
Rep:
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But I mean after you click on screen resolution, it gives you the option to change the refresh rate in addition to the resolution
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02-04-2005, 03:49 PM
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#14
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LQ Newbie
Registered: Jan 2005
Distribution: Fedora Core 3
Posts: 7
Original Poster
Rep:
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Quote:
Originally posted by paseo1997
Why don't you just click on applications(or the hat or foot), preferences, screen resolution and change it there?
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Im using XCFE, dont got that option....
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02-04-2005, 08:17 PM
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#15
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Member
Registered: Feb 2005
Distribution: Fedora Core 3 (2.6.10_1.741)
Posts: 72
Rep:
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Change the monitor section to look like this:
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Sampo Tech."
DisplaySize 320 240
HorizSync 30.0 - 72.0
VertRefresh 50.0 - 160.0
Option "dpms"
EndSection
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