X comes up with a blank screen

X comes up with a blank screen

Post by Mark Rosenbl » Thu, 21 Dec 1995 04:00:00



Hello.

I am trying to get Linux and X running on my Dell DX2 computer.  I am not
very familiar with the PC so this experiment has been a little painful.

I got the basic Linux running, but I am having trouble installing X.
I get the X server (XF86_SVGA) to run with out errors, but I get a
blank screen.  If any one has any ideas, please help.

My hardware consists of:

Chipset (Based on the results of SuperProbe):
First video  : super-vga
      chipset: WD/Paradise 90C33
      Mem    : 1024 Kbytes
      RAMDAC : AT&T 20C490 15/16/24 - bit DAC
               (with 6-bit wide lookup tables (in t-bit mode))
               (programmabel for 6/8-bit wide lookup table)

Monitor:
Brand : Dell
Model : UltraScan
Type  : S-VGA

Resolution      Horiz. Freq     Vert. Freq
640x350           31.469KHz      70.08Hz
640x480           31.406KHz      59.821Hz
720x400           31.468KHz      70.085Hz
800x600           48.077KHz      72.188Hz
1024x768          56.476KHz      70.069Hz

Video Bandwidth 50-90 MHz

Video Card Adapter:
STB PowerGraph C33
1 Meg DRAM
Western Digital

############################relevant XF86config#############################
Section "Monitor"
    Identifier "Dell Ultrascan"
    VendorName "Dell or Mitsubishi"
    ModelName "Unknown"
    BandWidth 25
    HorizSync 19.53    
    VertRefresh 46.95  

    ModeLine "1024x768i"   25   1024 1072 1088 1280 768 787 798 832 interlace

EndSection

Section "Device"
    Identifier "STB Powergraph"
    VendorName "Unknown"
    BoardName "Unknown"
    Chipset "wd90c33"
    Clocks 25 28 37 45 40 33 50 65
EndSection

Section "Screen"
    Driver "svga"
    Device "STB Powergraph"
    Monitor "Dell Ultrascan"
    Subsection "Display"
        Modes "1024x768i"
    EndSubsection
EndSection

############################relevant Xconfig#############################
svga

#-------------------------------------------------------------
# Video Card Definition
# Video Card ID 63
# Video Card Name:      STB Powergraph, 1 Meg
#                       0

# Last Change:          1-27-92

Clocks 25 28 37 45 40 33 50 65
Modes  "1024x768i"

#-------------------------------------------------------------
# Monitor Definition
# Monitor ID            1
# Monitor Name:         VESA-Generic Modes - TRY THESE FIRST!!!

# Last Change:          03-03-94
ModeDB
"1024x768i" 25  1024 1072 1088 1280 768 787 798 832 interlace

I would appreciate any help.  Please respond to this newsgroup and

Thanks in advance.

Mark

 
 
 

1. screen blanks and comes back

I've just installed debian 1.1 and the latest XFree86 in my new
Dell Dimension XPS Pro200n with a SBT Powergraph64 video board
and a Dell 17LS monitor. Everything seems to be working fine
except that every once in a while the screen goes blank for a
couple of seconds and
comes back, as if nothing had happened. This is very annoying and
I don't have any idea where I should look for the cause and
possible solution.
Any suggestions?

Antonio

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