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    #1

    KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

    I recently purchased a used machine that appears to have a RV530LE graphics card in it. I also have a KDS Monitor. At resolution 1280x1024 (Auto/75.0Hz) I can expect the display to start waving, moving sine wave about a centimeter most noticeable along windows borders.

    When I go into KDE's "System Settings" -> "Computer Administration" -> "Display" -> "Size & Orientation", looking under VGA-0 (Connected) I see size (refresh) as follows: 720x400(Auto/70.1Hz), 640x480(Auto/60Hz/85.0Hz), 800x600(Auto/60.3Hz/75.0Hz/85.1Hz/100Hz), 1024x768(Auto/60Hz/75.1Hz/85.0Hz), 1280x1024 (Auto/75.0Hz) and lastly Disabled.

    When I set the display at the highest 1280x1024 (Auto/75.0Hz), after a period of time the edges of the display windows have the appearance of waves. Also when shut down the setting is not retained, requiring that the display be reset to the 1280x1024 (Auto/75.0Hz). Lastly after using the high resolution setting, occasionally when the machine is restarted it comes up with a white screen. Neither waves or white screen occur at the 1024x768(Auto/60Hz/75.1Hz/85.0Hz) or lower resolutions.

    On my other machine using the same monitor I thought I had more video SVGA resolution options / frequencies to choose from, believe that was an NVIDIA card. I assume that I may be missing a driver or two or picked the wrong ones. If my problem was hardware failure I would expect display symptoms to appear with all settings.

    Thanks for any assistance, this large screen is irritating,
    Scott


    Below are some more details:

    I downloaded the Kubuntu ATI drivers from the repository:
    xserver-xorg-video-radeonhd-dbg - 1.3.0-2(amd64)
    xserver-xorg-video-radeonhd - 1.3.0-2 (amd64)

    ---------------------------------------------------------
    Kubuntu
    Distributor ID: Ubuntu
    Description: Ubuntu 10.04 LTS
    Release: 10.04
    Codename: lucid
    ---------------------------------------------------------
    KDS Monitor
    Product Number XF-9i
    Model 986N
    Product Series DZ-987NS
    ---------------------------------------------------------
    Information collected by "Hwinfo"...
    ---------------------------------------------------------
    40: PCI 100.0: 0300 VGA compatible controller (VGA)
    [Created at pci.318]
    UDI: /org/freedesktop/Hal/devices/pci_1002_71ce
    Unique ID: VCu0.Yo0WargBqpA
    Parent ID: 8otl.eXkdSneG_FF
    SysFS ID: /devices/pci0000:00/0000:00:04.0/0000:01:00.0
    SysFS BusID: 0000:01:00.0
    Hardware Class: graphics card
    Model: "ATI RV530LE [Radeon X1600]"
    Vendor: pci 0x1002 "ATI Technologies Inc"
    Device: pci 0x71ce "RV530LE [Radeon X1600]"
    SubVendor: pci 0x174b "PC Partner Limited"
    SubDevice: pci 0x0840
    Driver: "radeon"
    Driver Modules: "drm"
    Memory Range: 0xe0000000-0xefffffff (rw,prefetchable)
    Memory Range: 0xfdef0000-0xfdefffff (rw,non-prefetchable)
    I/O Ports: 0xac00-0xacff (rw)
    Memory Range: 0xfdec0000-0xfdedffff (ro,prefetchable,disabled)
    IRQ: 26 (13433 events)
    I/O Ports: 0x3c0-0x3df (rw)
    Module Alias: "pci:v00001002d000071CEsv0000174Bsd00000840bc03sc0 0i00"
    Driver Info #0:
    Driver Status: radeon is active
    Driver Activation Cmd: "modprobe radeon"
    Config Status: cfg=new, avail=yes, need=no, active=unknown
    Attached to: #21 (PCI bridge)

    41: PCI 100.1: 0380 Display controller
    [Created at pci.318]
    UDI: /org/freedesktop/Hal/devices/pci_1002_71ee
    Unique ID: NXNs.ZiEoT7z6JVE
    Parent ID: 8otl.eXkdSneG_FF
    SysFS ID: /devices/pci0000:00/0000:00:04.0/0000:01:00.1
    SysFS BusID: 0000:01:00.1
    Hardware Class: graphics card
    Model: "ATI Display controller"
    Vendor: pci 0x1002 "ATI Technologies Inc"
    Device: pci 0x71ee
    SubVendor: pci 0x174b "PC Partner Limited"
    SubDevice: pci 0x0841
    Memory Range: 0xfdee0000-0xfdeeffff (rw,non-prefetchable)
    Module Alias: "pci:v00001002d000071EEsv0000174Bsd00000841bc03sc8 0i00"
    Config Status: cfg=new, avail=yes, need=no, active=unknown
    Attached to: #21 (PCI bridge)
    ---------------------------------------------------------
    Tags: None
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    #2
    Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

    I am assuming that your KDS monitor is a CRT (ie not an LCD screen)?

    If so, "wavy lines" are often a symptom of the refresh rate of your monitor being set higher than it is capable of (possibly with LCDs as well, but haven't encountered it). If you still have your old system (the one you mention with the Nvidia card) hook it back up to that, open your display settings, and see what refresh rate is being used. Assuming you don't get the "wavy lines" with that particular refresh rate on that particular machine, change the refresh rate on your recently purchased machine (System Settings -> Display).

    If you don't have your old machine, try to google the specs of make and model # to find its supported resolutions and refresh rates and change them accordingly.

    Monitors have EDID (http://en.wikipedia.org/wiki/Extende...ification_data) chips in them that are supposed to prevent erroneous settings by the Operating System that could damage the monitor or create a poor visual experience. However, they are not perfect, and my 1680x1050 LCD tends to get it's EDID chip wiped if the power goes out on me and then I need to reprogram it (not an easy thing to figure out, but saves a trip to the repair shop ).

    Hope that helps
    Cheers
    Man by his very nature is dependent on other men.
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      #3
      Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

      Thanks for your response,

      Yes, the monitor is a CRT.

      I thought that it was a refresh problem also however the Kubuntu/ATI driver settings seem to be restricted to only Auto/75.0Hz for the 1280x1024 in "System Settings" -> "Computer Administration" -> "Display" -> "Size & Orientation".

      Now I may not have installed the correct drivers from the repository or for some reason after installed they did not change the settings allowing an expanded range - before and after in the "System Settings" did not "appear" to change.

      Unfortunately my old machine died.

      Thanks again for the assistance,
      Scott M.
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        #4
        Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

        http://www.kdsusa.com/XF9s.asp
        http://www.superwarehouse.com/KDS_Xt...F-9I/ps/300407

        Found the specifications for my CRT KDS XF-9i I believe.
        1280x1024 / 85Hz
        1600x1200 / 65Hz

        Kubuntu in the Settings - Computer Administration - Display - Size & Orientation show the following:
        1280x1024 / 75Hz
        1600x1200 - this resolution is not displayed.

        Maybe the monitors EDID is bad.....
        Also notice that video is quirky, trying to run Microsoft games in VirtualBox and FreeDoom freezes

        Glad that I use this Kubuntu machine mostly for Internet, email and maintaining some familiarity with Linux....

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          #5
          Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

          In your case, you should have an xorg.conf file on your system. Post it for a review.
          Windows no longer obstructs my view.
          Using Kubuntu Linux since March 23, 2007.
          "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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            #6
            Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

            Originally posted by Snowhog
            In your case, you should have an xorg.conf file on your system. Post it for a review.
            Do not have a "xorg.conf". Have "/usr/lib/X11/xorg.conf.d" which contains the following files:
            file:///usr/lib/X11/xorg.conf.d/05-evdev.conf
            file:///usr/lib/X11/xorg.conf.d/10-synaptics.conf
            file:///usr/lib/X11/xorg.conf.d/10-vmmouse.conf
            file:///usr/lib/X11/xorg.conf.d/10-wacom.conf

            file:///usr/share/X11/xkb/rules/xorg.xml
            file:///usr/share/X11/xkb/rules/xorg.lst
            file:///var/lib/dpkg/info/xorg.list
            file:///usr/share/kde4/apps/katepart/syntax/xorg.xml

            Thanks for the suggestion, should I post one or more of those files ?
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              #7
              Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

              Hey folks, any idea why I do not have an "xorg.conf" file, but have this directory (/usr/lib/X11/xorg.conf.d/) ? This is a new installation on a new/used machine:

              Kubuntu
              Distributor ID: Ubuntu
              Description: Ubuntu 10.04 LTS
              Release: 10.04
              Codename: lucid

              So if this is an evolution then what should I look at changing to resolve/tweak this issue, in place of the "xorg.conf" file ? Is there an additional package that would identify the monitor ? This is a legacy monitor such that there should not be an issue with this irritating problem and the monitor did run fine with a much older machine and earlier version of Kubuntu.
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                #8
                Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                your xorg.conf file should be located in /etc/X11/xorg.conf not in /usr/lib
                Mark Your Solved Issues [SOLVED]
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                  #9
                  Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                  Originally posted by sithlord48
                  your xorg.conf file should be located in /etc/X11/xorg.conf not in /usr/lib
                  Thanks, was using "find"....
                  Think I found the problem, I do not have "xorg.conf" in /etc/X11, have "xorg.conf.failsafe", would this be solved by creating an xorg.conf file....?

                  contents of "xorg.conf.failsafe"
                  Section "Device"
                  Identifier "Configured Video Device"
                  Driver "fbdev"
                  EndSection

                  Section "Monitor"
                  Identifier "Configured Monitor"
                  EndSection

                  Section "Screen"
                  Identifier "Default Screen"
                  Monitor "Configured Monitor"
                  Device "Configured Video Device"
                  EndSection
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                    #10
                    Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                    Originally posted by scotter59
                    Originally posted by sithlord48
                    your xorg.conf file should be located in /etc/X11/xorg.conf not in /usr/lib
                    Thanks, was using "find"....
                    Think I found the problem, I do not have "xorg.conf" in /etc/X11, have "xorg.conf.failsafe", would this be solved by creating an xorg.conf file....?

                    contents of "xorg.conf.failsafe"
                    Section "Device"
                    Identifier "Configured Video Device"
                    Driver "fbdev"
                    EndSection

                    Section "Monitor"
                    Identifier "Configured Monitor"
                    EndSection

                    Section "Screen"
                    Identifier "Default Screen"
                    Monitor "Configured Monitor"
                    Device "Configured Video Device"
                    EndSection
                    Hi,

                    I am using Radeon X1600 PRO on one of my machines (with Kubuntu Lucid), and here is my xorg.conf (please ignore the commented lines, and set monitor identifier to your own. You might also want to uncomment other "Monitor" specs and play with those values. I don't use them because my monitor is automatically configured without any problem):

                    Code:
                    # the order is important!

Section "Monitor"
 Identifier  "CTX Monitor"
# VendorName  "CTX"
# ModelName  "BuiltinPanel"
# Option    "CalcAlgorithm" "CheckDesktopGeometry"
# Option    "DPMS"
# HorizSync  30-90
# VertRefresh 57-84
# UseModes   "Modes[0]"
# Gamma    1.25
EndSection

#Section "Modes"
# Identifier  "Modes[0]"
#EndSection


Section "Screen"
 Identifier  "default"
 # choose driver: fglrx, radeon, radeonhd
 Device    "Radeon X1600 Pro"
 Monitor   "CTX Monitor"
 # 32 is an illegal value
 DefaultDepth 24
 SubSection "Display"
  Depth   24
  Modes   "1600x1200" "1280x1024" "1024x768" "1440x1050" "800x600" 
 EndSubSection
EndSection


# for the Xorg radeon driver
Section "Device"
 Identifier  "Radeon X1600 Pro"
 VendorName  "ATI"
 BoardName  "ATI Radeon X1600 Pro"
 BusID    "PCI:1:0:0"
 Driver    "radeon"
 # X1600 only supports EXA, which is the successor of XAA anyway
 Option    "AccelMethod" "EXA"
 #if you have an AGP card, uncomment the below line set agp speed to your preference
 #Option    "AGPMode" "4"
 Option    "EnablePageFlip" "on"
 # save some power
 # Option    "DynamicClocks" "on"
EndSection

#Section "ServerLayout"
# Identifier  "Standalone"
# Option    "Clone" "off"
# Screen    0 "default"
#EndSection

Section "DRI"
#  Group   "video"
  Mode    0666
EndSection

#Section "ServerFlags"
# fglrx relies on XGL, not the new AIGLX
# Option "AIGLX" "on"
#EndSection

Section "Extensions"
  Option   "Composite" "Enable"
EndSection
                    I hope this will work for you.

                    Regards
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                      #11
                      Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                      Thanks for the file, unfortunately when I applied it there was no change, I had expected that the display settings would show the new values, some effect.

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                        #12
                        Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                        This was basically a clean used machine, that I purchased, wiped XP and put Kubuntu on it, so "xorg.conf" should have existed.

                        grep found a reference to the file in "/etc/init/kdm.conf" (XORGCONFIG) and a reference to it in a binary "dev/sdf2".... echo $XORGCONFIG results in a blank line.

                        Okay I added the "xorg.conf" since it did not exist, believing that the "failsafe" was being used.
                        So why wouldnt the addition of the file result in a changed environment (for better or worse) ?

                        The large monitor is getting annoying.....

                        TIA

                        ==============================================
                        Hey folks,

                        Any ideas as to why the settings on the new xorg.conf are not showing up ?
                        At the minimum I was expecting to see the "1600x1200" value in the GUI display using the new file.

                        Could it be affected by GRUB2 boot up - not familiar with either GRUB's but, could that be impacting this issue ?

                        Even what log file to look in and what to look for would help ?

                        ==============================================

                        Well I found references that xorg.conf may not be used, could this explain why no changes have any effect ? https://answers.launchpad.net/ubuntu...question/54020 that it could be part of the HAL but that appears to be input devices, mouse, keyboard....
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                          #13
                          Re: KDS Monitor / "RV530LE [Radeon X1600]" graphics card - high resolution problems

                          xorg.conf - created from dpkg-reconfigure xserver-xfree86
                          Code:
                          Section "ServerLayout"
	Identifier   "X.org Configured"
	Screen   0 "Screen0" 0 0
	InputDevice  "Mouse0" "CorePointer"
	InputDevice  "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
	ModulePath  "/usr/lib/xorg/modules"
	FontPath   "/usr/share/fonts/X11/misc"
	FontPath   "/usr/share/fonts/X11/cyrillic"
	FontPath   "/usr/share/fonts/X11/100dpi/:unscaled"
	FontPath   "/usr/share/fonts/X11/75dpi/:unscaled"
	FontPath   "/usr/share/fonts/X11/Type1"
	FontPath   "/usr/share/fonts/X11/100dpi"
	FontPath   "/usr/share/fonts/X11/75dpi"
	FontPath   "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
	FontPath   "built-ins"
EndSection

Section "Module"
	Load "glx"
	Load "dri2"
	Load "dri"
	Load "record"
	Load "extmod"
	Load "dbe"
EndSection

Section "InputDevice"
	Identifier "Keyboard0"
	Driver   "kbd"
EndSection

Section "InputDevice"
	Identifier "Mouse0"
	Driver   "mouse"
	Option	  "Protocol" "auto"
	Option	  "Device" "/dev/input/mice"
	Option	  "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
	#DisplaySize	 370  270	# mm
	Identifier  "Monitor0"
	VendorName  "PTS"
	ModelName  "3db"
	HorizSync  30.0 - 86.0
	VertRefresh 50.0 - 160.0
	Option	  "DPMS"
EndSection

Section "Device"
    ### Available Driver options are:-
    ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
    ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
    ### [arg]: arg optional
    #Option   "NoAccel"      	# [<bool>]
    #Option   "SWcursor"      	# [<bool>]
    #Option   "Dac6Bit"      	# [<bool>]
    #Option   "Dac8Bit"      	# [<bool>]
    #Option   "BusType"      	# [<str>]
    #Option   "CPPIOMode"     	# [<bool>]
    #Option   "CPusecTimeout"   	# <i>
    #Option   "AGPMode"      	# <i>
    #Option   "AGPFastWrite"    	# [<bool>]
    #Option   "AGPSize"      	# <i>
    #Option   "GARTSize"      	# <i>
    #Option   "RingSize"      	# <i>
    #Option   "BufferSize"     	# <i>
    #Option   "EnableDepthMoves"  	# [<bool>]
    #Option   "EnablePageFlip"   	# [<bool>]
    #Option   "NoBackBuffer"    	# [<bool>]
    #Option   "DMAForXv"      	# [<bool>]
    #Option   "FBTexPercent"    	# <i>
    #Option   "DepthBits"     	# <i>
    #Option   "PCIAPERSize"    	# <i>
    #Option   "AccelDFS"      	# [<bool>]
    #Option   "IgnoreEDID"     	# [<bool>]
    #Option   "CustomEDID"     	# [<str>]
    #Option   "DisplayPriority"  	# [<str>]
    #Option   "PanelSize"     	# [<str>]
    #Option   "ForceMinDotClock"  	# <freq>
    #Option   "ColorTiling"    	# [<bool>]
    #Option   "VideoKey"      	# <i>
    #Option   "RageTheatreCrystal" 	# <i>
    #Option   "RageTheatreTunerPort" 	# <i>
    #Option   "RageTheatreCompositePort" 	# <i>
    #Option   "RageTheatreSVideoPort" 	# <i>
    #Option   "TunerType"     	# <i>
    #Option   "RageTheatreMicrocPath" 	# <str>
    #Option   "RageTheatreMicrocType" 	# <str>
    #Option   "ScalerWidth"    	# <i>
    #Option   "RenderAccel"    	# [<bool>]
    #Option   "SubPixelOrder"   	# [<str>]
    #Option   "ShowCache"     	# [<bool>]
    #Option   "ClockGating"    	# [<bool>]
    #Option   "VGAAccess"     	# [<bool>]
    #Option   "ReverseDDC"     	# [<bool>]
    #Option   "LVDSProbePLL"    	# [<bool>]
    #Option   "AccelMethod"    	# <str>
    #Option   "DRI"        	# [<bool>]
    #Option   "ConnectorTable"   	# <str>
    #Option   "DefaultConnectorTable" 	# [<bool>]
    #Option   "DefaultTMDSPLL"   	# [<bool>]
    #Option   "TVDACLoadDetect"  	# [<bool>]
    #Option   "ForceTVOut"     	# [<bool>]
    #Option   "TVStandard"     	# <str>
    #Option   "IgnoreLidStatus"  	# [<bool>]
    #Option   "DefaultTVDACAdj"  	# [<bool>]
    #Option   "Int10"       	# [<bool>]
    #Option   "EXAVSync"      	# [<bool>]
    #Option   "ATOMTVOut"     	# [<bool>]
    #Option   "R4xxATOM"      	# [<bool>]
    #Option   "ForceLowPowerMode" 	# [<bool>]
    #Option   "DynamicPM"     	# [<bool>]
    #Option   "NewPLL"       	# [<bool>]
    #Option   "ZaphodHeads"    	# <str>
	Identifier "Card0"
	Driver   "radeon"
	VendorName "ATI Technologies Inc"
	BoardName  "RV530LE [Radeon X1600]"
	BusID    "PCI:1:0:0"
EndSection

Section "Screen"
	Identifier "Screen0"
	Device   "Card0"
	Monitor  "Monitor0"
	SubSection "Display"
		Viewport  0 0
		Depth   1
	EndSubSection
	SubSection "Display"
		Viewport  0 0
		Depth   4
	EndSubSection
	SubSection "Display"
		Viewport  0 0
		Depth   8
	EndSubSection
	SubSection "Display"
		Viewport  0 0
		Depth   15
	EndSubSection
	SubSection "Display"
		Viewport  0 0
		Depth   16
	EndSubSection
	SubSection "Display"
		Viewport  0 0
		Depth   24
	EndSubSection
EndSection
                          The examples I have seen have the Mode all on one line with a depth of 24 yet the other values are missing.

                          For example...
                          Code:
                          Modes		"1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
                          So far all my playing with xorg.conf have resulted in no apparent effect. Should I be looking elsewhere, HAL, Radeon driver settings somewhere or even locally, user account.

                          Xorg.0.log - I am confused....
                          • First Xorg.0.log is information from the driver/hardware ?
                          • Second from this I should be able to see 1600x1200 and 1280x1024 80Hz (only see 75Hz) in KDE's "Size & Orientation System Settings".
                          • Third the generated "Section "Screen"" has the "SubSection" broken out by depth.
                          • Fourth I do not have a "failsafe" mode, black screen ?

                          Feel like I should flip a coin or something, which flavor mode line should work.....

                          Excerpt from Xorg.0.log:
                          Code:
                          (II) RADEON(0): Printing DDC gathered Modelines:
(II) RADEON(0): Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz)
(II) RADEON(0): Modeline "1024x768"x0.0  94.50 1024 1072 1168 1376 768 769 772 808 +hsync +vsync (68.7 kHz)
(II) RADEON(0): Modeline "800x600"x0.0  40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz)
(II) RADEON(0): Modeline "640x480"x0.0  25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz)
(II) RADEON(0): Modeline "720x400"x0.0  28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz)
(II) RADEON(0): Modeline "1024x768"x0.0  78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz)
(II) RADEON(0): Modeline "1024x768"x0.0  65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz)
(II) RADEON(0): Modeline "800x600"x0.0  49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz)
(II) RADEON(0): Modeline "640x480"x0.0  36.00 640 696 752 832 480 481 484 509 -hsync -vsync (43.3 kHz)
(II) RADEON(0): Modeline "800x600"x0.0  56.25 800 832 896 1048 600 601 604 631 +hsync +vsync (53.7 kHz)
(II) RADEON(0): Modeline "800x600"x100.0  68.18 800 848 936 1072 600 601 604 636 -hsync +vsync (63.6 kHz)
(II) RADEON(0): Modeline "1600x1200"x0.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz)
                          oblivion's example had no effect, I had no xorg.conf file before applying his example, I am concerned both ways, no effect or too much effect. So far it seems like I can do anything to the xorg.conf without effect one way or another.
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                            #14
                            Re: KDS Monitor / &quot;RV530LE [Radeon X1600]&quot; graphics card - high resolution problems

                            A few points:
                            1. xorg.conf is no longer created by default, period. You have to create one (like you did) if your system requires it. It seems the developers of xorg think the new hardware will be detected correctly (yeah, right huh?).

                            2. I apologize if I missed it - but I don't see you referencing your xorg log file. There is where you'll find whats going on when you start X. It's located at /var/log/Xorg.0.log - might be useful to read all of it.

                            3. If all you're trying to do is set your CRT resolution and refresh rates - and EDID isn't working correctly (see your log). You need to turn EDID off, then set the correct rates and resolution:

                            Section Monitor
                            ...
                            Option "UseEDIDFreqs" "false"
                            HorizSync 30.0 - 86.0
                            VertRefresh 65.0 - 85.0

                            Section Screen
                            ...
                            # 1280x1024 @ 65.00 Hz (GTF) hsync: 69.10 kHz; pclk: 119.40 MHz
                            Modeline "1280x1024" 119.40 1280 1368 1504 1728 1024 1025 1028 1063 -HSync +Vsync
                            # 1600x1200 @ 85.00 Hz (GTF) hsync: 107.10 kHz; pclk: 234.76 MHz
                            Modeline "1600x1200" 234.76 1600 1720 1896 2192 1200 1201 1204 1260 -HSync +Vsync

                            SubSection "Display"
                            Depth 24
                            Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
                            EndSubSection


                            Try these edits... I'm sure there's more you'll need but I'm not an ATI guy...

                            Please Read Me
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                              #15
                              Re: KDS Monitor / &quot;RV530LE [Radeon X1600]&quot; graphics card - high resolution problems

                              Thanks oshunluvr, it had an effect. It blanked out the monitor on one occasion, the rest of the time the monitor was disconnected, had no signal. The "modeline" caused these effects. First time I applied the changes to the generated xorg.conf. Second attempt I tried them using oblivion's xorg.conf same effect.

                              After an event I booted to recover mode and noticed that the Xorg.0.log file was empty. After resetting the xorg.conf I notice that there are no errors in the log file.

                              Here is the current xorg.conf file that gives the same resolutions as before with changes applied and commented out lines with "detrimental" effects:

                              Code:
                              Section "ServerLayout"
	Identifier   "X.org Configured"
	Screen   0 "Screen0" 0 0
	InputDevice  "Mouse0" "CorePointer"
	InputDevice  "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
	ModulePath  "/usr/lib/xorg/modules"
	FontPath   "/usr/share/fonts/X11/misc"
	FontPath   "/usr/share/fonts/X11/cyrillic"
	FontPath   "/usr/share/fonts/X11/100dpi/:unscaled"
	FontPath   "/usr/share/fonts/X11/75dpi/:unscaled"
	FontPath   "/usr/share/fonts/X11/Type1"
	FontPath   "/usr/share/fonts/X11/100dpi"
	FontPath   "/usr/share/fonts/X11/75dpi"
	FontPath   "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
	FontPath   "built-ins"
EndSection

Section "Module"
	Load "glx"
	Load "dri2"
	Load "dri"
	Load "record"
	Load "extmod"
	Load "dbe"
EndSection

Section "InputDevice"
	Identifier "Keyboard0"
	Driver   "kbd"
EndSection

Section "InputDevice"
	Identifier "Mouse0"
	Driver   "mouse"
	Option	  "Protocol" "auto"
	Option	  "Device" "/dev/input/mice"
	Option	  "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
	#DisplaySize	 370  270	# mm
    Option    "UseEDIDFreqs" "false"
	Identifier  "Monitor0"
	VendorName  "PTS"
	ModelName  "3db"
	HorizSync  30.0 - 86.0
	VertRefresh 65.0 - 85.0
	Option	  "DPMS"
EndSection

Section "Device"
    ### Available Driver options are:-
    ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
    ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
    ### [arg]: arg optional
    #Option   "NoAccel"      	# [<bool>]
    #Option   "SWcursor"      	# [<bool>]
    #Option   "Dac6Bit"      	# [<bool>]
    #Option   "Dac8Bit"      	# [<bool>]
    #Option   "BusType"      	# [<str>]
    #Option   "CPPIOMode"     	# [<bool>]
    #Option   "CPusecTimeout"   	# <i>
    #Option   "AGPMode"      	# <i>
    #Option   "AGPFastWrite"    	# [<bool>]
    #Option   "AGPSize"      	# <i>
    #Option   "GARTSize"      	# <i>
    #Option   "RingSize"      	# <i>
    #Option   "BufferSize"     	# <i>
    #Option   "EnableDepthMoves"  	# [<bool>]
    #Option   "EnablePageFlip"   	# [<bool>]
    #Option   "NoBackBuffer"    	# [<bool>]
    #Option   "DMAForXv"      	# [<bool>]
    #Option   "FBTexPercent"    	# <i>
    #Option   "DepthBits"     	# <i>
    #Option   "PCIAPERSize"    	# <i>
    #Option   "AccelDFS"      	# [<bool>]
    #Option   "IgnoreEDID"     	# [<bool>]
    #Option   "CustomEDID"     	# [<str>]
    #Option   "DisplayPriority"  	# [<str>]
    #Option   "PanelSize"     	# [<str>]
    #Option   "ForceMinDotClock"  	# <freq>
    #Option   "ColorTiling"    	# [<bool>]
    #Option   "VideoKey"      	# <i>
    #Option   "RageTheatreCrystal" 	# <i>
    #Option   "RageTheatreTunerPort" 	# <i>
    #Option   "RageTheatreCompositePort" 	# <i>
    #Option   "RageTheatreSVideoPort" 	# <i>
    #Option   "TunerType"     	# <i>
    #Option   "RageTheatreMicrocPath" 	# <str>
    #Option   "RageTheatreMicrocType" 	# <str>
    #Option   "ScalerWidth"    	# <i>
    #Option   "RenderAccel"    	# [<bool>]
    #Option   "SubPixelOrder"   	# [<str>]
    #Option   "ShowCache"     	# [<bool>]
    #Option   "ClockGating"    	# [<bool>]
    #Option   "VGAAccess"     	# [<bool>]
    #Option   "ReverseDDC"     	# [<bool>]
    #Option   "LVDSProbePLL"    	# [<bool>]
    #Option   "AccelMethod"    	# <str>
    #Option   "DRI"        	# [<bool>]
    #Option   "ConnectorTable"   	# <str>
    #Option   "DefaultConnectorTable" 	# [<bool>]
    #Option   "DefaultTMDSPLL"   	# [<bool>]
    #Option   "TVDACLoadDetect"  	# [<bool>]
    #Option   "ForceTVOut"     	# [<bool>]
    #Option   "TVStandard"     	# <str>
    #Option   "IgnoreLidStatus"  	# [<bool>]
    #Option   "DefaultTVDACAdj"  	# [<bool>]
    #Option   "Int10"       	# [<bool>]
    #Option   "EXAVSync"      	# [<bool>]
    #Option   "ATOMTVOut"     	# [<bool>]
    #Option   "R4xxATOM"      	# [<bool>]
    #Option   "ForceLowPowerMode" 	# [<bool>]
    #Option   "DynamicPM"     	# [<bool>]
    #Option   "NewPLL"       	# [<bool>]
    #Option   "ZaphodHeads"    	# <str>
	Identifier "Card0"
	Driver   "radeon"
	VendorName "ATI Technologies Inc"
	BoardName  "RV530LE [Radeon X1600]"
	BusID    "PCI:1:0:0"
EndSection

Section "Screen"
	Identifier "Screen0"
	Device   "Card0"
	Monitor  "Monitor0"
	# 1280x1024 @ 65.00 Hz (GTF) hsync: 69.10 kHz; pclk: 119.40 MHz
  	#Modeline "1280x1024" 119.40 1280 1368 1504 1728 1024 1025 1028 1063 -HSync +Vsync
	# 1280x1024 @ Monitor specs 85Hz
	#Modeline "1280x1024" 185.64 1280 1376 1600 2024 1024 1024 1028 1079 -HSync +Vsync
	# 1280x1024 @ Modeline from Xorg.0.log
	#Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz)
  	# 1600x1200 @ 85.00 Hz (GTF) hsync: 107.10 kHz; pclk: 234.76 MHz
  	#Modeline "1600x1200" 234.76 1600 1720 1896 2192 1200 1201 1204 1260 -HSync +Vsync
	# 1600x1200 @ Monitor specs 65Hz
	#Modeline "1600x1200" 192.85 1600 1696 1928 2376 1200 1200 1203 1248 -HSync +Vsync
	# 1600x1200 @ Modeline from Xorg.0.log 
	#Modeline "1600x1200"x0.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz)
	SubSection "Display"
        Depth   24
        Modes   "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection
                              Interesting 1280x1024 @ Monitor specs 85Hz vs Xorg.0.log 80.0 kHz and a delta on the 1600x1200 65 Hz monitor vs Xorg.0.log 75 kHz.

                              Thanks for the ideas, at least now I know that making changes to this file has an effect. Days, weeks, months like this make one regret loyalty to Linux. I really should be doing real work.

                              Any suggestions.........

                              Thanks again for the help.
                              Scott
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