Attached is an X config file that works with my ATI Rage 128 Mobility
LF and 1400x1050 LCD (IBM model ITSX93). Maybe it will help.
Vince Virgilio
# XF86Config-4 (XFree86 server configuration file) generated by Dexconf, the
# Debian X Configuration tool, using values from the debconf database.
#
# Edit this file with caution, and see the XF86Config manual page.
# (Type "man XF86Config" at the shell prompt.)
Section "Files"
# if the local font server has problems, we can fall back on these
FontPath "/usr/lib/X11/fonts/misc"
FontPath "/usr/lib/X11/fonts/100dpi/:unscaled"
# FontPath "/usr/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/lib/X11/fonts/Type1"
FontPath "/usr/lib/X11/fonts/Speedo"
FontPath "/usr/lib/X11/fonts/100dpi"
# FontPath "/usr/lib/X11/fonts/75dpi"
# FontPath "unix/:7100" # local font server
EndSection
Section "ServerFlags"
# Option "blank time" "5"
# Option "standby time" "6"
# Option "suspend time" "9"
# Option "off time" "10"
EndSection
Section "Module"
Load "ddc"
Load "GLcore"
Load "dbe"
Load "dri"
Load "extmod"
Load "glx"
Load "pex5"
Load "record"
Load "xie"
Load "freetype"
Load "speedo"
Load "type1"
Load "vbe"
Load "int10"
SubSection "extmod"
# Option "omit xfree86-dga"
EndSubSection
Load "drm"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "keyboard"
Option "CoreKeyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc104"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "CorePointer"
Option "Protocol" "ps/2"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "true"
Option "Emulate3Timeout" "50"
EndSection
Section "Device"
### Available Driver options are:
#Option "NoAccel"
#Option "SWcursor"
#Option "HWcursor"
#Option "Dac6bit"
#Option "Dac8bit"
#Option "ForcePCIMode"
#Option "CCEPIOMode"
#Option "CCENoSecurity"
#Option "CCEusecTimeout"
Option "AGPMode" "2"
#Option "AGPSize"
#Option "RingSize"
#Option "VBListSize"
#Option "VBSize"
#Option "EnableFP"
#Option "CRTOnly"
#Option "UseFBDev"
Option "DPMS"
Identifier "card0"
#Driver "r128"
Driver "ati"
VendorName "ATI"
BoardName "Rage 128 Mobility LF M3"
BusID "PCI:1:0:0"
Option "UseCCEfor2D" "false"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "IBM"
ModelName "ITSX93"
HorizSync 28-90
VertRefresh 50-160
ModeLine "1400x1050" 107.85 1400 1450 1500 1999 1050 1058 1070 1150
# Option "dpms"
EndSection
Section "Screen"
Identifier "Screen0"
Device "card0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1400x1050" "700x525"
ViewPort 0 0
EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Section "ServerLayout"
Identifier "XFree86 Configured"
Screen "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
