PCLOS - End of my search for the one!!!

Here is the xorg.conf that works in PCLOS : Needed some tweaking.

---
# File generated by XFdrake (rev 57713)

# **********************************************************************
# Refer to the xorg.conf man page for details about the format of
# this file.
# **********************************************************************

Section "Files"
# font server independent of the X server to render fonts.
FontPath "unix/:-1"

# minimal fonts to allow X to run without xfs
FontPath "/usr/share/fonts/misc:unscaled"
EndSection

Section "Extensions"
Option "Composite"
EndSection

Section "ServerFlags"
#DontZap # disable (server abort)
#DontZoom # disable / (resolution switching)
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "glx" # 3D layer
Load "dri" # direct rendering
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
EndSection

Section "InputDevice"
Identifier "SynapticsMouse1"
Driver "synaptics"
Option "SHMConfig" "on"
EndSection

Section "Monitor"
Identifier "monitor1"
HorizSync 58-67
VertRefresh 46-64

# Monitor preferred modeline (60.6 Hz vsync, 64.5 kHz hsync, ratio 16/10)
# ModeLine "1680x1050" 121 1680 1704 1792 1876 1050 1051 1054 1065 -hsync -vsync
ModeLine "1680x1050" 121 1680 1704 1792 1876 1050 1051 1054 1065 -hsync +vsync

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

# 768x576 @ 100 Hz, 61.6 kHz hsync
ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_120" 313.20 1680 1816 2000 2320 1050 1051 1054 1125 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_100" 256.20 1680 1808 1992 2304 1050 1051 1054 1112 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_85" 214.51 1680 1800 1984 2288 1050 1051 1054 1103 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_75" 188.07 1680 1800 1984 2288 1050 1051 1054 1096 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_60" 147.14 1680 1784 1968 2256 1050 1051 1054 1087 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1680x1050_50" 120.21 1680 1776 1952 2224 1050 1051 1054 1081 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_120" 284.04 1600 1728 1904 2208 1000 1001 1004 1072 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_100" 232.13 1600 1720 1896 2192 1000 1001 1004 1059 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_85" 194.21 1600 1712 1888 2176 1000 1001 1004 1050 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_75" 169.13 1600 1704 1880 2160 1000 1001 1004 1044 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_60" 133.14 1600 1704 1872 2144 1000 1001 1004 1035 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1600x1000_50" 108.66 1600 1688 1856 2112 1000 1001 1004 1029 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_120" 229.75 1440 1552 1712 1984 900 901 904 965 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_100" 187.55 1440 1544 1704 1968 900 901 904 953 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_85" 156.79 1440 1536 1696 1952 900 901 904 945 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_75" 136.49 1440 1536 1688 1936 900 901 904 940 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_60" 106.47 1440 1520 1672 1904 900 901 904 932 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1440x900_50" 87.41 1440 1512 1664 1888 900 901 904 926 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_120" 181.21 1280 1376 1520 1760 800 801 804 858 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_100" 147.89 1280 1376 1512 1744 800 801 804 848 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_85" 123.38 1280 1368 1504 1728 800 801 804 840 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_75" 107.21 1280 1360 1496 1712 800 801 804 835 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_60" 83.46 1280 1344 1480 1680 800 801 804 828 -HSync +Vsync

# modeline generated by gtf(1) [handled by XFdrake]
ModeLine "1280x800_50" 68.56 1280 1336 1472 1664 800 801 804 824 -HSync +Vsync
EndSection

Section "Device"
Identifier "device1"
VendorName "ATI Technologies Inc."
BoardName "ATI Radeon"
Driver "ati"
Option "DPMS"
Option "XaaNoOffscreenPixmaps" "1"
Option "MergedFB" "true"
Option "CRT2HSync" "30-100"
Option "CRT2VRefresh" "40-75"
Option "CRT2Position" "Clone"
Option "MonitorLayout" "LVDS,CRT"
Option "MetaModes" "1680x1050-1280x1024 1400x1050-1280x1024 1280x1024-1024x768 1024x768-1024x768"

EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 24
DefaultDepth 24

Subsection "Display"
Depth 8
Modes "1680x1050" "1600x1000" "1440x900" "1280x800"
EndSubsection

Subsection "Display"
Depth 15
Modes "1680x1050" "1600x1000" "1440x900" "1280x800"
EndSubsection

Subsection "Display"
Depth 16
Modes "1680x1050" "1600x1000" "1440x900" "1280x800"
EndSubsection

Subsection "Display"
Depth 24
# Modes "1680x1050" "1600x1000" "1440x900" "1280x800"
Modes "1680x1050"
EndSubsection
EndSection

Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
InputDevice "SynapticsMouse1" "AlwaysCore"
Screen "screen1"
EndSection
---