Cirrus Logic 5428 Chip

Cirrus Logic 5428 Chip

Post by Patrick Doy » Mon, 29 Aug 1994 05:09:56



(I do seem to keep posting these questions...)  Has anyone got a
Cirrus Logic 5428 chipset?  If so, could I get a copy of your XConfig
file?  The 5428 seems to have pretty different settings than the 5426
(which is all that is available in the ConfigXF86 data files) and I can't
quite seem to tune it up correctly.

Any help is greatly appreciated -- Linux seems like a wonderful system,
if I can only get it running...:)

Patrick Doyle

 
 
 

Cirrus Logic 5428 Chip

Post by Olli Vinbe » Tue, 30 Aug 1994 05:20:08




>(I do seem to keep posting these questions...)  Has anyone got a
>Cirrus Logic 5428 chipset?  If so, could I get a copy of your XConfig
>file?  The 5428 seems to have pretty different settings than the 5426
>(which is all that is available in the ConfigXF86 data files) and I can't
>quite seem to tune it up correctly.

I have 5428 and have had no problems with it. The XF86_SVGA server works
with it flawlessly. (ie detects everything it needs by itself)
Propably you have a monitor/ModeDB-related problem...

Here's the relevant parts from my Xconfig:

vga256
  Clocks 25.23 28.32 41.16 36.08 31.50 39.99 45.08 49.87 64.98 72.16 75.00 80.01 85.23
  Option "fast_dram"

--
-----------------------------------------------------------------------
Olli Vinberg                \  Our OS who art in CPU, UNIX be thy name.

http://www.helsinki.fi/~vinberg \  in kernel as it is in user!

 
 
 

1. Xconfig file for Cirrus Logic 5428 chip/ViewSonic 6e monitor.

Hi,

I have a graphics card from Spider Graphics and it uses Cirrus Logic
Accelerated Chip set clgd5428. I have viewsonic 6e 14'' monitor.
The monitor in its spec says it operates in pre-set mode at
1024x768 resolution(the one that I would like to have) at 60 Hz non-interlaced.
The clock timings  from modeDB.txt file for Viewsonic 6e itself did not work.
So I took the timings from  the standard VGA clock timings

great but when there is data output to the windows/or mouse moments on the
screen there is visible flicker that runs top to bottom. So I would like
to know for this card/monitor combination what would be the
parameter values. Please send me mail if u can.

Any help appreciated,

-senthil

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