LinuxQuestions.org - dual monitors / Nvidia Twinview / modeline problem??

Hello,

I have been working on editing my XF86Config file for a number of hours tonight and I have been able to get both displays to display the proper resolution although I am getting some crazy lines across my display like the frequency is wrong or something. Anyway I have the refrence CD for both of my 15" LCD's and I notice different values than those generated by the online version of the modeline generator (I first tried the values that it gave me when I entered 1024x768 @ 75hz; which my monitor documentation gave me as the max resolution).

Specifically the online modeline generator gives me

# 1024x768 @ 75.00 Hz (GTF) hsync: 60.15 kHz; pclk: 81.80 MHz
Modeline "1024x768_75.00" 81.80 1024 1080 1192 1360 768 769 772 802 -HSync +Vsync

which I changed the pclk value to coincide with the one listed in the monitor documentation

anyways neither the generated modeline or the one I edited work so maybe my problem isn't modelines but I tend to think I have modeline problems.

I am attaching the XF86Config file I made and I would appriciate it if someone could help me get rid of these crazy flashing lines so I could use my new computer.

Oh I almost forgot the motherboard has onboard dual head GeForce 4 MX. It is an HP d325 microtower and the monitors are 2 15" Compaq 5017m LCD monitors.

**************************************************
*****************
# Refer to the XF86Config(4/5) man page for details about the format of
# this file.
# **************************************************
********************

# NOTE: This is a NEW IMPROVED version of XF86Config-fbdev that uses the vesa
# driver instead of the fbdev driver. Thanks to Kenneth Fanyo who pointed
# this out to me.

# This XF86Config file is designed for use with the VESA framebuffer.
# This generic interface should work with nearly all video cards
# (although not every card will support every resolution).

# With the new driver, it should no longer be required to have frame buffer
# support in the kernel, or to run it on the console.
#
# Enjoy!
# -- volkerdi@slackware.com
#

# **************************************************
********************
# Module section -- this section is used to specify
# which dynamically loadable modules to load.
# **************************************************
********************
#
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

# This loads the font modules
Load "type1"
Load "freetype"
Load "speedo"

# This loads the GLX module
Load "glx"

EndSection

# **************************************************
********************
# Files section. This allows default font and rgb paths to be set
# **************************************************
********************

FontPath "/usr/X11R6/lib/X11/fonts/local/"
FontPath "/usr/X11R6/lib/X11/fonts/misc/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/Type1/"
FontPath "/usr/X11R6/lib/X11/fonts/CID/"
FontPath "/usr/X11R6/lib/X11/fonts/Speedo/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/"
FontPath "/usr/X11R6/lib/X11/fonts/cyrillic/"

# ModulePath can be used to set a search path for the X server modules.
# The default path is shown here.

# ModulePath "/usr/X11R6/lib/modules"

EndSection

# **************************************************
********************
# Server flags section.
# **************************************************
********************

# **************************************************
********************
# Input devices
# **************************************************
********************

# **************************************************
********************
# Core keyboard's InputDevice section
# **************************************************
********************

Section "InputDevice"

Identifier "Keyboard1"
Driver "Keyboard"
EndSection

# **************************************************
********************
# Core Pointer's InputDevice section
# **************************************************
********************

Section "InputDevice"

# Identifier and driver

Identifier "Mouse1"
Driver "mouse"

# **************************************************
********************
# Monitor section
# **************************************************
********************

# Any number of monitor sections may be present

#Section "Monitor"

# Identifier "My 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 31.5 - 50.0

# 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.

# VertRefresh 40-90

#EndSection
Modeline "1024x768_1" 78.750 1024 1080 1192 1360 768 769 772 802 +HSync +Vsync
Modeline "1024x768_2" 78.750 1024 1080 1192 1360 768 769 772 802 +HSync +Vsync

Option "DPMS"
EndSection

Section "Monitor"
Identifier "Dual1"
HorizSync 30-61
VertRefresh 56-75
# 100 Hz
Modeline "1024x768_1" 78.750 1024 1080 1192 1360 768 769 772 802 +HSync +Vsync
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Dual2"
HorizSync 38-86
VertRefresh 48-150
# 80 Hz
Modeline "1024x768_2" 78.750 1024 1080 1192 1360 768 769 772 802 +HSync +Vsync
Option "DPMS"
EndSection

# **************************************************
********************
# Graphics device section
# **************************************************
********************

# Any number of graphics device sections may be present

#Section "Device"
# Identifier "nvidia_driver"
# Driver "nvidia"
#VideoRam 4096
# Insert Clocks lines here if appropriate
# EndSection

Section "Device"
Identifier "TwinView"
VendorName "nvidia"
Driver "nvidia"
BusID "PCI:1:0:0"
Option "DPMS"
Option "TwinView"
Option "IgnoreEDID" "1"
Option "RenderAccel" "1"
Option "CursorShadow" "1"
Option "NvAGP" "1"
Option "DigitalVibrance" "2"
Option "ConnectedMonitor" "crt,crt"
Option "TwinViewOrientation" "RightOf"
Option "SecondMonitorHorizSync" "30-61"
Option "SecondMonitorVertRefresh" "56-75"
Option "MetaModes" "1024x768_1,1024x768_2;1024x768_1,NULL;"
EndSection

Section "Device"
Identifier "Dual1"
Driver "nvidia"
BusID "PCI:1:0:0"
Option "NODDC" "1"
Screen 0
EndSection

Section "Device"
Identifier "Dual2"
Driver "nvidia"
BusID "PCI:1:0:0"
Option "NODDC" "1"
Screen 1
EndSection
# **************************************************
********************
# Screen sections
# **************************************************
********************

Section "Screen"
Identifier "TwinView"
Device "TwinView"
Monitor "Compaq_5017m"
DefaultDepth 24
Subsection "Display"
Depth 24
EndSubsection
EndSection

Section "Screen"
Identifier "Dual1"
Device "Dual1"
Monitor "Dual1"
DefaultDepth 24
Subsection "Display"
Depth 24
Modes "1024x768_1"
EndSubsection
EndSection

Section "Screen"
Identifier "Dual2"
Device "Dual2"
Monitor "Dual2"
DefaultDepth 24
Subsection "Display"
Depth 24
Modes "1024x768_2"
EndSubsection
EndSection

# **************************************************
********************
# ServerLayout sections.
# **************************************************
********************

Section "ServerLayout"
Identifier "TwinView"
Screen "TwinView"
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"
Option "blank time" "10"
Option "off time" "20"
EndSection

Section "ServerLayout"
Identifier "Dual"
Screen 0 "Dual1"
Screen 1 "Dual2" rightOf "Dual1"
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"
EndSection