How to disable second screen on 4870x2?

[edccorp]

I have installed catalyst 9.6 on my kubuntu 9.04 and everything works fine, except one thing, when i move mouse to the right side of the desktop pointer freezes for a second. I suppose that it goes to second screen. How to disable second screen? Thanks in advance. Here is my xorg.conf:

Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 "aticonfig-Screen[0]-0" 0 0
Screen "aticonfig-Screen[1]-0" RightOf "aticonfig-Screen[0]-0"
EndSection

Section "Files"
EndSection

Section "Module"
EndSection

Section "Monitor"
Identifier "aticonfig-Monitor[0]-0"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection

Section "Monitor"
Identifier "aticonfig-Monitor[1]-0"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection

Section "Device"
Identifier "aticonfig-Device[0]-0"
Driver "fglrx"
Option "UseFastTLS" "1"
BusID "PCI:3:0:0"
EndSection

Section "Device"
Identifier "aticonfig-Device[1]-0"
Driver "fglrx"
BusID "PCI:4:0:0"
EndSection

Section "Screen"
Identifier "aticonfig-Screen[0]-0"
Device "aticonfig-Device[0]-0"
Monitor "aticonfig-Monitor[0]-0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "aticonfig-Screen[1]-0"
Device "aticonfig-Device[1]-0"
Monitor "aticonfig-Monitor[1]-0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection

[edccorp]

Resolved using amdcccle.