I managed to get the problematic video card SIS 6205 in a HP vectra working 
today with the information from the wiki.  I have a question about it though.

The card starts only when mode_0 is set to 800x600.  When it is set to 
1024x768 the Xserver does not start.  Hmm it starts, it shows the knows gray 
X background together with the pointer, but there it stays.  It looks like 
the system crashes, as e.g <ctrl><alt><F2> does not either.

If the card starts in 800x600 mode it is possible to switch to 1024x768 mode 
using the <ctrl><alt><keypad+> buttons.  Somehow the card is able to operate 
in 1024x768 mode, but starting it up is not possible.  I specified the 
X_VIDEORAM as 2048.  The card is normally equipped with 1MB of memory which 
is taken from the normal memory.  According the specs it is possible to 
extend it to 2MB, which is than again taken from the regular memory.

According 
http://wiki.ltsp.org/twiki/bin/view/Ltsp/VideoCards#How_much_video_memory_do_I_need
 
1.5 MB is sufficient for 1024x768 (x16) video mode.  So I would say that 
x_videoram = 2048 should start up the videocard, isn't?

Below a part of generated XF86Config.1 file:
Section "Device"
        Identifier "My Video Card"
        Driver     "vesa"
        VideoRam 2048
EndSection

Section "Screen"
        Identifier "Screen0"
        Device "My Video Card"
        Monitor "My Monitor"
        DefaultDepth  16
        Subsection "Display"
                Depth 16
                Modes "800x600" "1024x768"
        EndSubSection
EndSection


Does anyone have a suggestion to get this card started in 1024x768 (just as 
all other terminals, that we have)?  Is the card really get 2MB of memory 
appointed by system as specified in the XF86Config.1 file?  As alternative 
another videocard might be used, but that is not what I'm looking for at the 
moment....


-- 
TIA,

Richard Bos
Without a home the journey is endless


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