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Cant change monitor resolution

 
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Antony



Joined: Mon Sep 26, 2005 1:56 pm
Posts: 30

PostPosted: Tue Apr 04, 2006 6:05 pm    Post subject: Cant change monitor resolution Reply with quote

Hi all Im running Debian on a Compaq Proliant ML370 server. I have a Compaq SVGA (472p) monitor attached to it. For a reason I cant fathom out I can only get a resolution of 640x480. I know its capable of more as I had it running fedora 4 at 800x600. Can anyone help please? (Make it nice and easy as Im a newbee to Linux. The following is part of the XF86Config-4 script:

Section "Device"
Identifier "ATI Technologies, Inc. 3D Rage IIC 215IIC
[Mach64 GT IIC]"
Driver "ati"
EndSection

Section "Monitor"
Identifier "Compaq SVGA"
HorizSync 28-33
VertRefresh 43-72
Option "DPMS"
EndSection

Section "Screen"
Identifier "Compaq SVGA"
Device "ATI Technologies, Inc. 3D Rage IIC 215IIC
[Mach64 GT IIC]"
Monitor "Compaq SVGA"
DefaultDepth 16
SubSection "Display"
Depth 1
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "800x600" "640x480"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
Screen "Compaq SVGA"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "DRI"
Mode 0666
EndSection
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alloydog
LXF regular


Joined: Thu Apr 07, 2005 8:32 pm
Posts: 600

PostPosted: Tue Jun 20, 2006 6:43 am    Post subject: RE: Cant change monitor resolution Reply with quote

Extracted from the monitor3.inf file:

Code:
[SVGA.AddReg]
HKR,"MODES\640,480",Mode1,,"31.5-38.0,60.0-72.0,-,-"
HKR,"MODES\800,600",Mode1,,"35.2-38.0,56.0-60.0,+,+"


It would suggest that your HorizSync and VertRefresh values are wrong.

Try:
HorizSync: 35.2-38.0
VertRefresh: 56.0-60.0
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