Section "Device"
    Identifier  "card0"
    Driver      "radeon"
    Option "AGPMode" "4"
 
# le DRI
 Option "AccelMethod" "XAA"
 Option "XAANoOffscreenPixmaps" "true" # trying
 Option "AccelDFS"    "0"
 Option  "AGPMode" "4"
 Option "GARTSize" "128"
 Option "RingSize" "8"
 Option "BufferSize" "2"
 Option "EnablePageFlip" "1" # Enable page flipping for 3D apps
 Option "ColorTiling" "1"
 Option "EnableDepthMoves" "yes"
 Option "UseFBDev" "false"
 Option "RenderAccel" "true"
 Option "mtrr" "on"
 Option "SubPixelOrder" "none"
 Option "DPMS"
 Option "DynamicClocks" "on"
 
 
 # Maintenant, MergeFB
 Option "MergedFB" "true" #Enable MergedFB function
 Option "MonitorLayout" "CRT, CRT" # Use LCD and CRT even if you have 2 LCD's or CRT's
 Option "CRT2Hsync" "30-70" #Horizontal Sync of the Monitor (check your monitor's manual for correct values)
 Option "CRT2VRefresh" "85" #Vertical Refresh rate of the Monitor (check your monitor's manual for correct values)
 Option "OverlayOnCRTC2" "true"
 Option "CRT2Position" "LeftOf" #Physical location of your secondary monitor in relationship to your primary monitor.
 Option "MetaModes" "1024x768-1024-768" #Monitor Resolutions for Primary-Secondary monitors  
 Option "MergedXineramaCRT2IsScreen0" "false"
 
    BusID  "PCI:1:0:0"
    Screen 0
EndSection

(II) RADEON(0): Primary:
 Monitor   -- CRT
 Connector -- DVI-I
 DAC Type  -- TVDAC/ExtDAC
 TMDS Type -- Internal
 DDC Type  -- DVI_DDC
(II) RADEON(0): Secondary:
 Monitor   -- CRT
 Connector -- VGA
 DAC Type  -- Primary
 TMDS Type -- NONE
 DDC Type  -- VGA_DDC
(II) RADEON(0): PLL parameters: rf=2700 rd=12 min=20000 max=40000; xclk=27000
(==) RADEON(0): Using gamma correction (1.0, 1.0, 1.0)
(II) RADEON(0): Validating modes on Primary head ---------
(II) RADEON(0): monitor1: Using hsync range of 31.50-70.00 kHz
(II) RADEON(0): monitor1: Using vrefresh value of 85.00 Hz
(II) RADEON(0): Clock range:  20.00 to 400.00 MHz
(II) RADEON(0): Not using default mode "320x175" (bad mode clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "320x200" (bad mode clock/interlace/doublescan)
[coupé]
(II) RADEON(0): Not using default mode "2048x1536" (hsync out of range)
(II) RADEON(0): Not using default mode "1024x768" (bad mode clock/interlace/doublescan)
(II) RADEON(0): Validating CRTC2 modes for MergedFB ------------  
(II) RADEON(0): CRT2 Monitor: Using hsync range of 30.00-70.00 kHz
(II) RADEON(0): CRT2 Monitor: Using vrefresh value of 85.00 Hz
(II) RADEON(0): Clock range:  20.00 to 400.00 MHz
(II) RADEON(0): Not using default mode "640x350" (mode clock too high)
(II) RADEON(0): Not using default mode "320x175" (bad mode clock/interlace/doublescan)
[coupé]
(II) RADEON(0): Not using default mode "1024x768" (bad mode clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "2048x1536" (hsync out of range)
(II) RADEON(0): Not using default mode "1024x768" (bad mode clock/interlace/doublescan)
(WW) RADEON(0): Mode pool is empty
(EE) RADEON(0): No valid modes found
(EE) RADEON(0): No valid mode found for CRTC2, disabling MergedFB
(II) RADEON(0): Total of 0 CRTC2 modes found for MergedFB------------