How to make the LCD show 24 bits colors

Tue Jul 31 11:25:15 PDT 2007

Hi,

I recently bought a ViewSonic VA1703wb. I can't find the way to make it
show certain colors like light grays. I'm using an nVidia Riva TNT2
Model 64. This a fragment of my xorg.conf:
Section "Device"
Identifier "nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro]"
Driver "nvidia"
Busid "PCI:1:0:0"
Option "NoLogo" "True"
Option "AllowGLXWithComposite" "True"
EndSection

Section "Monitor"
Identifier "VA1703wSERIE"
Gamma 0.6
Option "DPMS"
Horizsync 24 - 70
Vertrefresh 50 - 75
modeline "1440x900" 106.5 1440 1520 1672 1904 900 903 909 934
EndSection

Section "Screen"
Identifier "Default Screen"
Device "nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro]"
Monitor "VA1703wSERIE"
Defaultdepth 16
Option "DigitalVibrance" "50"
SubSection "Display"
Depth 1
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 32
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
screen "Default Screen"
Inputdevice "Generic Keyboard"
Inputdevice "Configured Mouse"
Inputdevice "stylus" "SendCoreEvents"
Inputdevice "cursor" "SendCoreEvents"
Inputdevice "eraser" "SendCoreEvents"
EndSection

Section "DRI"
Mode 0666
EndSection

I'll really appreciate any kind of help.

Thank you in advance.

Luis Pablo