Использование дискретной видеокарты вместо интегрированной

#------------------------------------------------------------------------------
# Modified Calculate-core 3.1.1
# Processed template files:
# /var/lib/layman/calculate/profiles/templates/3.1/3_ac_install_live/1-live/x11-base/xorg-server/X11/xorg.conf
# For modify this file, create /etc/X11/xorg.conf.clt template.
#------------------------------------------------------------------------------

Section "ServerLayout"
  Identifier "Xorg Configured"
  Screen "Monitor"
EndSection

Section "Files"
  FontPath "/usr/share/fonts/corefonts"
  FontPath "/usr/share/fonts/misc"
  FontPath "/usr/share/fonts/droid"
EndSection

Section "Module"
  Load "dri"
  Load "i2c"
  Load "bitmap"
  Load "ddc"
  Load "int10"
  Load "vbe"
  Load "glx" # OpenGL X protocol interface
  Load "extmod" # Misc. required extension
EndSection

Section "Monitor"
  Identifier "StandardMonitor"
  Option "DPMS"
EndSection

Section "Device"
  Identifier "intelVGA"
  Driver "intel"
  Option "NoAccel" "False"
  Option "DRI"     "True"
  Option "AccelMethod" "sna"
EndSection

Section "Screen"
  Identifier "Monitor"
  Device "intelVGA"
  Monitor "StandardMonitor"
  DefaultDepth 24
  Subsection "Display"
    Viewport 0 0
    Depth 24
    Modes "1366x768"
  EndSubsection
EndSection
Section "DRI"
  Group        "video"
  Mode         0666
EndSection

Section "Extensions"
  Option "Composite" "On"
EndSection

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Robson CE [AMD Radeon HD 6300 Series]
07:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v2.0 Fast Ethernet (rev c1)
08:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)

Linux laptop 3.6.7-calculate #1 SMP PREEMPT Mon Nov 19 11:17:39 UTC 2012 x86_64 Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz GenuineIntel GNU/Linux