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screen black after replacing CRT with TFT

This is a discussion on screen black after replacing CRT with TFT within the comp.unix.solaris forums, part of the Solaris Operating System category; --> Hi David, I have a Sun Ultra 5 with a Compaq V700 Monitor that works fine. Now I wanted ...


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  #1 (permalink)  
Old 01-05-2008, 08:01 PM
dick
 
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Default screen black after replacing CRT with TFT

Hi David,

I have a Sun Ultra 5 with a Compaq V700 Monitor that works fine.

Now I wanted to to replace the big V700 with a TFT display, but then the
screen goes black.

What I did is:

"m64config -res 1280x1024@76"

This is what my TFT supports.

Output of " m64config -propt" :
--- OpenWindows Configuration for /dev/fbs/m640 ---
OWconfig: machine
Video Mode: 1280x1024x75
Depth: 8

So the modification seems succesful, but after a reboot the screen is still
black!

Output of " fbinfo":
m64B@2 is PGX 1152x900

(Why do I see here still the old resolution?)

What do I need to do to get the TFT working with the Ultra 5?
Will it be possible to see the Sun booting on the TFT is the ultimate result
to see the Xserver.

Any idea?
Dick
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  #2 (permalink)  
Old 01-05-2008, 08:01 PM
Joerg Schilling
 
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Default Re: screen black after replacing CRT with TFT

In article <3fc27bad$0$1491$e4fe514c@news.xs4all.nl>,
dick <dickdijk@xs4all.nl> wrote:
>Hi David,
>
>I have a Sun Ultra 5 with a Compaq V700 Monitor that works fine.
>
>Now I wanted to to replace the big V700 with a TFT display, but then the
>screen goes black.
>
>What I did is:
>
> "m64config -res 1280x1024@76"


TFT displays may have problems with 75 Hertz frame refresh rate.
Try o set up a lower frame rate.

--
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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schilling@fokus.fraunhofer.de (work) chars I am J"org Schilling
URL: http://www.fokus.fraunhofer.de/usr/schilling ftp://ftp.berlios.de/pub/schily
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