Changing from CRT to TFT

Changing from CRT to TFT

Post by Batara Kesum » Wed, 12 Jun 2002 01:51:48



Hi,

I am using a CRT monitor running Linux XFree86 4.2.0 now. I want to change
my CRT to TFT. What are the steps that I need to take? I am afraid that
just plug and play the new TFT monitor without changing the configuration
on XFree86 could destroy the monitor. I tried to search the XFree86 docs,
but I couldn't find this issue. Please help, and thank you very much.

--bk

 
 
 

Changing from CRT to TFT

Post by Stephan B?sebec » Wed, 12 Jun 2002 02:25:45


| Hi,
|
| I am using a CRT monitor running Linux XFree86 4.2.0 now. I want to change
| my CRT to TFT. What are the steps that I need to take? I am afraid that
| just plug and play the new TFT monitor without changing the configuration
| on XFree86 could destroy the monitor. I tried to search the XFree86 docs,
| but I couldn't find this issue. Please help, and thank you very much.
|
| --bk

Hi!
I use a tft and you can't _destroy_ the monitor as it switches of, when
it cets out of sync or a frequency too high.Just switch to 60Hz and
you'll be fine...
yust plug in an enjoy it...

regards,
        Stephan

 
 
 

Changing from CRT to TFT

Post by Victor Wagn » Wed, 12 Jun 2002 03:41:52



 : Hi,
 : I am using a CRT monitor running Linux XFree86 4.2.0 now. I want to change
 : my CRT to TFT. What are the steps that I need to take? I am afraid that
 : just plug and play the new TFT monitor without changing the configuration
 : on XFree86 could destroy the monitor. I tried to search the XFree86 docs,

Don't be afraid. At worst it will refuse to work with your predefined
modelines. You'll be able to switch to text console and fix it.

 : but I couldn't find this issue.

Becouse there is no issue. If there is VGA connector, it doesn't make
any difference to your videocard, not to mention your X server.

Only range of supported modes may differ, but I suspect that newer
TFT would support wider range of modes than oldish CRT.
But newer monitors are clever enough to tell you that mode is wrong
if they cannot support it.

Moreover, if you use some failsafe defaults like 1024x768 at 60 Hz,
it would look terrible on CRT, but be quite acceptable on TFT.
--
If loving linux is wrong, I dont wanna be right.
        -- Topic for #LinuxGER

 
 
 

1. 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:


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":

(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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