Subj : Re: Black screen on LVDS when starting X in RedHat 8.0
To   : alt.comp.linux,alt.linux,comp.os.linux,comp.os.linux.hardware
From : Darklight
Date : Sat Jun 26 2004 11:04 am

Dennis Peere wrote:
> EndSection
> 
> Section "Monitor"
>  Identifier   "Monitor1"
>  VendorName   "Monitor Vendor"
>  ModelName    "Unknown monitor"
>  HorizSync    31.5 - 37.9
>  VertRefresh  50.0 - 70.0
>  ModeLine     "1400x1050" 129.0 1400 1464 1656 1960 1050 1051 1054 1100
> +hsync +vsync
>  ModeLine     "1400x1050" 151.0 1400 1464 1656 1960 1050 1051 1054 1100
> +hsync +vsync
>  ModeLine     "1400x1050" 162.0 1400 1464 1656 1960 1050 1051 1054 1100
> +hsync +vsync
>  ModeLine     "1400x1050" 184.0 1400 1464 1656 1960 1050 1051 1054 1100
> +hsync +vsync
>  Option     "dpms"
> EndSection

I went here and entered your specs
http://xtiming.sourceforge.net/cgi-bin/xtiming.pl

And got this 
Modeline "1400x1050@70" 159.97 1400 1432 2032 2064 1050 1070 1082 1103
see the difference 
i use to use it but in SUSE 9.1 pro it does it for you

Hope it helps

.