Running 4 monitors on 2 dual cards

[spillage]

ok after 3 day of trying nearly everything i cannot get my setup to work. i can get only 2 screens woking on one card and can swop the cards and have 2 working on the other but cant get both cards working at same time. running ati cards.
has any got a copy of a working xorg.conf that will work or any advice.

Please find a copy of my xorg.conf

# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# Note that some configuration settings that could be done previously
# in this file, now are automatically configured by the server and settings
# here are ignored.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Default Screen" 0 0
Screen 1 "1 Default Screen" rightOf "Default Screen"
Screen 2 "2 Default Screen" leftOf "Default Screen"
Screen 3 "3 Default Screen" LeftOf "2 Default Screen"
Option "Xinerama" "true"
EndSection

Section "Monitor"
Identifier "Configured Monitor"
EndSection

Section "Monitor"
Identifier "1 Configured Monitor"
EndSection

Section "Monitor"
Identifier "2 Configured Monitor"
EndSection

Section "Monitor"
Identifier "3 Configured Monitor"
EndSection

Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
DefaultDepth 24
EndSection

Section "Screen"
Identifier "1 Default Screen"
Monitor "1 Configured Monitor"
Device "1 Configured Video Device"
DefaultDepth 24
EndSection

Section "Screen"
Identifier "2 Default Screen"
Monitor "2 Configured Monitor"
Device "2 Configured Video Device"
DefaultDepth 24
EndSection

Section "Screen"
Identifier "3 Default Screen"
Monitor "3 Configured Monitor"
Device "3 Configured Video Device"
DefaultDepth 24
EndSection

Section "Module"
Load "glx"
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "fglrx"
BusID "PCI:10:00:0"
Screen 0
EndSection

Section "Device"
Identifier "1 Configured Video Device"
Driver "fglrx"
BusID "PCI:10:00:0"
Screen 1
EndSection

Section "Device"
Identifier "2 Configured Video Device"
Driver "fglrx"
BusID "PCI:09:00:0"
Screen 0
EndSection

Section "Device"
Identifier "3 Configured Video Device"
Driver "fglrx"
BusID "PCI:09:00:0"
Screen 1
EndSection

[markbuntu]

The latest 8.12 driver from ati has built in support for multiple adapters and you can do some configuration in the Catalyst Control Center but for the rest of the driver options try

aticonfig --help

You should probably try getting one monitor on each card working first.