Custom Screen Resolutions

tntcoder · 15 Mar 2006 at 23:59

Hi,

I have the nvidia driver installed on slackware, and my monitor is a widescreen native at 1440x900. And the maximum resoltion i can select in both KDE and the nvida manager is 1024x768. How can i get it to work in the correct resolution?

I understand it has something to do with my xorg.conf? I have pasted a bit of it below if it helps.

Code:

Section "Monitor"

# HorizSync is in kHz unless units are specified.
# HorizSync may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
#    HorizSync	30-64         # multisync
#    HorizSync	31.5, 35.2    # multiple fixed sync frequencies
#    HorizSync	15-25, 30-50  # multiple ranges of sync frequencies
# VertRefresh is in Hz unless units are specified.
# VertRefresh may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
    Identifier     "My Monitor"
    HorizSync       31.5 - 50.0
    VertRefresh     40.0 - 90.0
EndSection

Section "Device"

    #VideoRam    4096
    # Insert Clocks lines here if appropriate
    Identifier     "VESA Framebuffer"
    Driver         "nvidia"
EndSection

Section "Screen"

# If your card can handle it, a higher default color depth (like 24 or 32)
# is highly recommended.
#   DefaultDepth 8
#   DefaultDepth 16
#   DefaultDepth 32
# "1024x768" is also a conservative usable default resolution.  If you
# have a better monitor, feel free to try resolutions such as
# "1152x864", "1280x1024", "1600x1200", and "1800x1400" (or whatever your
# card/monitor can produce)
    Identifier     "Screen 1"
    Device         "VESA Framebuffer"
    Monitor        "My Monitor"
    DefaultDepth    24
    SubSection     "Display"
        Depth       8
        Modes      "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       16
        Modes      "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       24
        Modes      "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       32
        Modes      "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

Thanks
Jack

Phil99 · 16 Mar 2006 at 01:01

Code:

Section "Monitor"

# HorizSync is in kHz unless units are specified.
# HorizSync may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
#    HorizSync	30-64         # multisync
#    HorizSync	31.5, 35.2    # multiple fixed sync frequencies
#    HorizSync	15-25, 30-50  # multiple ranges of sync frequencies
# VertRefresh is in Hz unless units are specified.
# VertRefresh may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
    Identifier     "My Monitor"
[b]    HorizSync       31.5 - 85.0[/b]
    VertRefresh     40.0 - 90.0
EndSection

Section "Device"

    #VideoRam    4096
    # Insert Clocks lines here if appropriate
    Identifier     "VESA Framebuffer"
    Driver         "nvidia"
EndSection

Section "Screen"

# If your card can handle it, a higher default color depth (like 24 or 32)
# is highly recommended.
#   DefaultDepth 8
#   DefaultDepth 16
#   DefaultDepth 32
# "1024x768" is also a conservative usable default resolution.  If you
# have a better monitor, feel free to try resolutions such as
# "1152x864", "1280x1024", "1600x1200", and "1800x1400" (or whatever your
# card/monitor can produce)
    Identifier     "Screen 1"
    Device         "VESA Framebuffer"
    Monitor        "My Monitor"
    DefaultDepth    24
    SubSection     "Display"
        Depth       8
        Modes      [b]"1440x900"[/b] "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       16
        Modes      [b]"1440x900"[/b] "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       24
        Modes      [b]"1440x900"[/b] "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       32
        Modes      [b]"1440x900"[/b] "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

Should sort it I imagine

tntcoder · 16 Mar 2006 at 01:21

Thanks that did absolutly nothing to the list of resoltuions i can choose, however when i add "1440x900" "1280x1024" .... before the others i get another resolution choice and it looks better but its not 1440x400 :confused:

Phil99 · 16 Mar 2006 at 01:23

I had a problem with selecting 1024x768 on my laptop and it turned out the horizontal sync range was too low. Did you copy and paste the new config or just add the resolutions in?

Code:

HorizSync       31.5 - 85.0

For example.

I don't claim to be an expert in this at all, just something similar happened to me and that's how I sorted it

tntcoder · 16 Mar 2006 at 01:45

Thanks just tried it with that adjustment and it made no change either

Phil99 · 16 Mar 2006 at 01:59

'fraid that's all I know when it comes to stuff like that so I'm going to have to leave it for someone else to come along.

If you don't get an answer here the forums for the distro are usually very helpful

tntcoder · 16 Mar 2006 at 02:07

http://cornell.wordpress.com/widescreen-with-ubuntu

EDIT: Fixed problem using above link