I am using a tvga8900c with a cheapo 14" svga monitor, try mine:
Note: Incorrect clock setting may harm your monitor, and I am in no
way liable!! (must protect myself).
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RGBPath "/usr/X386/lib/X11/rgb"
FontPath "/usr/X386/lib/X11/fonts/misc/,/usr/X386/lib/X11/fonts/Type1/,/u
sr/X386/lib/X11/fonts/Speedo,/usr/X386/lib/X11/fonts/75dpi/"
Keyboard
AutoRepeat 500 5
MouseSystems "/dev/mouse"
########################
# The graphics drivers #
########################
# Monochrome Display driver parameters
#
vga2
Chipset "tvga8900c"
Videoram 1024
Viewport 0 0
Virtual 800 600
Clocks 25.2 28.3 44.9 36.0 50.35 40.35 65.0 75.0
Modes "800x600" "640x480"
# Color Display driver parameters
#
vga256
Chipset "tvga8900c"
Videoram 1024
Viewport 0 0
Virtual 800 600
Clocks 25.2 28.3 44.9 36.0 50.35 40.35 65.0 75.0
Modes "800x600" "640x480"
# Modes datbase
# mode clock horzontal timing vertical timing
#---------------------- disp start end total disp start end total
#
ModeDB
"640x480" 25 640 672 768 800 480 490 492 525
"800x600" 36 800 824 896 1024 600 601 603 625
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Joseph P. DeCello III E-mail: j...@cad.msu.edu
Michigan State University phone: (517) 353-3027
Specialized Computing Support Services hours: 11am-5pm ESTDST
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..........................
Bikram Dhaliwal
PH: 416-351-9660 ***This account is valid until May 4****
dha...@ecf.toronto.edu
archie says: charon.mit.edu/pub/seyon
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Penio Penev x7423 (212)327-7423 (w) Internet: pe...@venezia.rockefeller.edu
Disclaimer: All oppinions are mine.