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#1 2007-04-28 17:32:40

karag
Member
Registered: 2006-09-05
Posts: 84

can't get full refresh rate

Hi -
I'm trying to set up my Dell inspiron 6400 laptop, its a WXGA screen capable of 1280x800 at 60hz refresh.
But no matter what I do I can't set refresh rate to 60. I did

gft 1280 800 60

and put result in xorg.conf but it make no difference, I can adjust refresh with xrandr but it only let me select 50hz.
What can I do to get 60hz refresh rate?

my xorg.conf is below
thanks!

Section "Module"

# This loads the DBE extension module.

    Load        "dbe"   # Double buffer extension

# This loads the miscellaneous extensions module, and disables
# initialisation of the XFree86-DGA extension within that module.
    SubSection  "extmod"
      Option    "omit xfree86-dga"   # don't initialise the DGA extension
    EndSubSection

    Load "ddc"
# This loads the font modules
    Load        "type1"
    Load        "freetype"
#    Load        "xtt"

# This loads the GLX module
    Load       "glx"
# This loads the DRI module
#    Load       "dri"
# Load synaptic touchpad module
    Load        "synaptics"
EndSection

Section "Files"

#    RgbPath    "/usr/share/X11/rgb"

# Multiple FontPath entries are allowed (which are concatenated together),
# as well as specifying multiple comma-separated entries in one FontPath
# command (or a combination of both methods)
#
#

    FontPath   "/usr/share/fonts/misc"
    FontPath   "/usr/share/fonts/100dpi:unscaled"
    FontPath   "/usr/share/fonts/75dpi:unscaled"
#    FontPath   "/usr/share/fonts/TTF"
#    FontPath   "/usr/share/fonts/Type1"
#    FontPath   "/usr/lib/X11/fonts/local/"
#    FontPath   "/usr/lib/X11/fonts/misc/"
#    FontPath   "/usr/lib/X11/fonts/75dpi/:unscaled"
#    FontPath   "/usr/lib/X11/fonts/100dpi/:unscaled"
#    FontPath   "/usr/lib/X11/fonts/Speedo/"
#    FontPath   "/usr/lib/X11/fonts/Type1/"
#    FontPath   "/usr/lib/X11/fonts/TrueType/"
#    FontPath   "/usr/lib/X11/fonts/freefont/"
#    FontPath   "/usr/lib/X11/fonts/75dpi/"
#    FontPath   "/usr/lib/X11/fonts/100dpi/"
# The module search path.  The default path is shown here.

#    ModulePath "/usr/lib/modules"

EndSection

Section "ServerFlags"

EndSection

Section "InputDevice"

    Identifier  "Keyboard1"
    Driver      "kbd"

# For most OSs the protocol can be omitted (it defaults to "Standard").
# When using XQUEUE (only for SVR3 and SVR4, but not Solaris),
# uncomment the following line.

#    Option     "Protocol"      "Xqueue"

    Option "AutoRepeat" "500 30"

# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
#    Option     "Xleds"      "1 2 3"

#    Option "LeftAlt"     "Meta"
#    Option "RightAlt"    "ModeShift"

    Option "XkbRules"   "xorg"
    Option "XkbModel"   "pc104"
    Option "XkbLayout"  "gb"

EndSection


Section "InputDevice"

# Identifier and driver

    Identifier  "Touchpad"
    Driver      "synaptics"
    Option "Protocol"    "auto-dev"
    Option "Device"      "/dev/input/mouse1"
    Option "LeftEdge"   "1700"
    Option "RightEdge"  "5300"
    Option "TopEdge"    "1700"
    Option "BottomEdge" "4200"
    Option "FingerLow"  "25"
    Option "FingerHigh" "30"
    Option "MaxTapTime" "180"
    Option "MaxTapMove" "220"
    Option "VertScrollDelta"    "100"
    Option "MinSpeed"   "0.30"
    Option "MaxSpeed"   "0.45"
    Option "AccelFactor"        "0.0020"
    Option "SHMConfig"  "on"

# Mouse wheel mapping.  Default is to map vertical wheel to buttons 4 & 5,
# horizontal wheel to buttons 6 & 7.   Change if your mouse has more than
# 3 buttons and you need to map the wheel to different button ids to avoid
# conflicts.

    Option "ZAxisMapping"   "4 5 6 7"

# Emulate3Buttons is an option for 2-button mice
# Emulate3Timeout is the timeout in milliseconds (default is 50ms)

    Option "Emulate3Buttons"
#    Option "Emulate3Timeout"    "50"

# ChordMiddle is an option for some 3-button Logitech mice

#    Option "ChordMiddle"

EndSection

Section "Monitor"

    Identifier  "My Monitor"

#    HorizSync   31.5-64
#    VertRefresh 40-90
#    DisplaySize        338     211     # 96 DPI @ 1280x800
    # Modeline "1280x800_60.00" 83.46   1280 1344 1480 1680     800 801 804 828 -HSync +Vsync
    Modeline "1280x800" 83.91   1280 1312 1624 1656     800 816 824 841
EndSection

Section "Device"
    Identifier  "Standard VGA"
    VendorName  "Unknown"
    BoardName   "Unknown"

    Driver     "vga"
EndSection

Section "Device"
    Identifier  "My Video Card"
    Driver      "nvidia"
        # unsupported card
    VideoRam    131072
    Option      "UseEdidDpi"    "false"
    Option      "DPI"   "96 X 96"
    # Option    "FlatPanelProperties"   "Scaling = aspect-scaled"
    # Insert Clocks lines here if appropriate
EndSection


Section "Screen"
    Identifier  "Screen 1"
    Device      "My Video Card"
    Monitor     "My Monitor"
    DefaultDepth 24

    Subsection "Display"
        Depth       16
        Modes       "1280x800" "1024x768"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x800" "1024x768"
        ViewPort    0 0
    EndSubsection
EndSection

Section "ServerLayout"

# The Identifier line must be present
    Identifier  "Simple Layout"

    Screen "Screen 1"

    InputDevice "Touchpad" "CorePointer"
    InputDevice "Keyboard1" "CoreKeyboard"

EndSection

# Section "DRI"
#    Mode 0666
# EndSection

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#2 2007-04-28 18:03:30

Mikko777
Member
From: Suomi, Finland
Registered: 2006-10-30
Posts: 837

Re: can't get full refresh rate

I remember seeing somewhere that its a bug, It reports 50Hz while in reality its 60Hz.

So nothing to worry about. Although I could be wrong. smile

Planet KDE | Opendesktop.org | Chakra Project

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#3 2007-04-28 20:26:15

berbae
Member
From: France
Registered: 2007-02-12
Posts: 1,304

Re: can't get full refresh rate

Hello karag
To know the current refresh rate used by the nvidia driver run this command:

nvidia-settings --query RefreshRate

xrandr doesn't give good values.

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#4 2007-04-28 20:42:26

lloeki
Member
From: France
Registered: 2007-02-20
Posts: 456
Website

Re: can't get full refresh rate

this is not a bug. this is a nvidia workaround so that xrandr is able to handle correctly multihead refresh rates. see the nvidia readme for details, and don't worry, the refresh rate is correct, else you would see garbage.

Last edited by lloeki (2007-04-28 20:50:16)

To know recursion, you must first know recursion.

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#5 2007-04-28 20:55:08

karag
Member
Registered: 2006-09-05
Posts: 84

Re: can't get full refresh rate

ah.... ok. nvidia-settings does report 60hz.
thanks for your replies, big_smile,

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