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I'm on Suse Linux 10.0, using a Samsung SyncMaster 1100p Plus + nVIDIA GeFORCE FX 5950 Ultra. I've tried to set the same resolution I use when I'm on M$ ...
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  1. 07-23-2006 #1
    rax
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    Question How to force to change the refresh rate

    I'm on Suse Linux 10.0, using a Samsung SyncMaster 1100p Plus + nVIDIA GeFORCE FX 5950 Ultra.

    I've tried to set the same resolution I use when I'm on M$ Windows since I know that resolution and that refresh rate works very good on this monitor (1152 x 864 @85 Hz).

    The problem is Suse is not leting me to change the refresh rate. It has been set @ 118 Hz and cannot be changed, at least not from "Desktop Preferences".

    How chan I change or force to change that value for the refresh rate to 85 Hz which is the one I use in windows environment ???

    PD: I have already updated my nvidia drivers (just in case this is useful for the answer)
    Last edited by rax; 07-23-2006 at 07:46 PM. Reason: syntaxis error
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  2. 07-23-2006 #2
    Juan Pablo
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    You can edit /etc/X11/xorg.conf (very delicate file, BACKUP FIRST) and set HorzSync and VertSync as your user manual specifies (changing it wrongly can damage PERMANENTLY your monitor)
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  3. 07-23-2006 #3
    rax
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    Unhappy

    Quote Originally Posted by Juan Pablo
    (changing it wrongly can damage PERMANENTLY your monitor)
    ... gulp! man then I'll be better extra careful.

    But I have checked that file, but I dont find the line where you can specifically change the "refresh rate".

    Code:
    Section "Monitor"
  DisplaySize  400 300
  HorizSync    30-115
  Identifier   "Monitor[0]"
  ModelName    "SYNCMASTER 1100P PLUS(T)"
  Option       "DPMS"
  VendorName   "SAMSUNG"
  VertRefresh  50-160
  UseModes     "Modes[0]"
EndSection
    The closest line I have found is the one I bolded. But that's not specific. I just can put there 85 right ??? (To set it to 85 Hz)

    I wonder why in Linux this kind of simple tasks are so complicated , why you just can select from a combox box or drop down menu the desired refresh rate, so simple!

    PD: Gracias por tu ayuda Juan Pablo!
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  4. 08-05-2006 #4
    Juan Pablo
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    See in you monitor manual, it should specify the HorzSync and VertSync ...

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  5. 08-07-2006 #5
    tytower
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    Read the manual or look it up on google

    Seems to me its able to be set up at various refresh rates ,try the bracketed changes and see. They wont damage it if its within the limits given

    Section "Monitor"
    DisplaySize 400 300 (1152 864)
    HorizSync 30-115
    Identifier "Monitor[0]"
    ModelName "SYNCMASTER 1100P PLUS(T)"
    Option "DPMS"
    VendorName "SAMSUNG"
    VertRefresh 50-160 (85)
    UseModes "Modes[0]"
    EndSection
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