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Old 04-29-03, 01:40 PM   #13
Andy Mecham
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It could be that the panel is very sensitive to correct hsync and vrefresh values - are they listed somewhere on the net?

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Old 05-05-03, 05:04 PM   #14
andysan
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Question Samsung X10

I can't find anything yet. Would I be able to get those values from my working config with the XFree driver? Which ones are they and how should they be used in XF86Config? I attach here my working XFree log file.

Andy.
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File Type: log xfree86.0.log (31.4 KB, 188 views)
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Old 05-05-03, 06:45 PM   #15
Andy Mecham
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A verbose log will print out the panel's EDID - try startx -- -logverbose 5

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Old 05-05-03, 07:36 PM   #16
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Hi again,

With the working XFree driver,
startx -- -logverbose 5
produced almost exactly the same output as normal startx --- certainly no new information about the monitor was added.

I ran that command with the nVidia driver too (not working properly) and attach the output from that.

Thanks again.
Andy.
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File Type: txt log.nvidia.txt (30.9 KB, 126 views)
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Old 05-05-03, 08:35 PM   #17
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According to the log you posted, your panel's native resolution is 2000x1536 (which is a very interesting mode), and your ranges should be vrefresh 60 and hsync 29-77. Can you try setting those?

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Old 05-06-03, 11:07 AM   #18
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Hi again Andy,

Sorry to keep bugging you with this one.

Everything I've ever read about my laptop tells me that the maximum resolution of the panel is 1024x768 --- certainly that is the max resolution in Windows and with the XFree driver. However,
I tried setting the resolution to 2000x1536 as the EDID return suggests, but that just gives an "unknown mode" error (verbose log file attached).

So it seems that the EDID is returning bogus values doesn't it. I tried setting the Nvidia driver option "IgnoreEDID" "true" as suggested in the README and used the following values which seem to work with the XFree driver:
hsync 31.5 - 57.0, vrefresh 50.0 - 70.0,
resolution 1024x768.
However, as usual I get a screen with horizontal patterns. I'll attach the log for that with the next message.

Andy.
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File Type: txt nvidia.2000.txt (28.1 KB, 128 views)
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Old 05-06-03, 11:08 AM   #19
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Here is the log file with "IgnoreEDID" "true":
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File Type: txt nvidia.ignoreedids.txt (29.2 KB, 127 views)
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Old 05-06-03, 02:19 PM   #20
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Quote:
I tried setting the resolution to 2000x1536 as the EDID return suggests, but that just gives an "unknown mode" error (verbose log file attached).
That's expected - X doesn't know about that mode. You'd have to write a modeline for it.

Quote:
So it seems that the EDID is returning bogus values doesn't it. I tried setting the Nvidia driver option "IgnoreEDID" "true" as suggested in the README and used the following values which seem to work with the XFree driver:
hsync 31.5 - 57.0, vrefresh 50.0 - 70.0,
resolution 1024x768.
However, as usual I get a screen with horizontal patterns. I'll attach the log for that with the next message.
Something doesn't seem quite right. Do other modes work?

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Old 05-08-03, 06:58 PM   #21
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Hi again Andy,

I've familiarised myself with modelines and tried various things: 800x600, 1024x768 with various frequencies, etc. Nothing works yet. With 1024x768, always get patterns that look the same whatever vrefresh I try. Different patterns for 800x600. Don't know what's going on... thought it could be some fundamental problem or a BIOS setting but the fact is that the same XF86Config file works with the XFree nv driver...

Andy.
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Old 05-17-03, 10:07 AM   #22
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Well, I can't offer anything new, just wanted to note that I went through exactly the same stuff as andysan. I'm writing this on a X server running the nv driver, silently cursing Samsung for their bloody flat panel. One suggestion: is it possible to tell the nvidia driver to just leave the flat panel alone? Whatever the nv driver does to the DFP port obviously doesn't mess it up. The kernel module has an option FlatPanelMode.. what does this one do?

Yours,
Florian
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Old 05-20-03, 09:22 AM   #23
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Hi Andy M,

It seems like there are at least 3 of us (and I've seen some more on the net) with exactly the same problem with the NVidia drivers on this laptop. I for one am extremely keen to get it working but completely stuck about how to proceed at the moment. Would be very glad of some more tips.

Thanks,
Andy.
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Old 05-21-03, 07:20 AM   #24
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A small tip for fixing the problem that the console doesn't work when you leave X (the free version --- still no-one out there seems to know how to get the NVidia driver to work) on the Samsung X10: put vga=791 as a kernel parameter (need support for Frame buffer devices and nVidia RIVA driver set in the kernel, but these are set by default at least in RH9 kernel). e.g. in /etc/grub.conf you need something like:
kernel /boot/vmlinuz-2.4.20-8 ro root=LABEL=/ hdc=ide-scsi vga=791

This was from a guy with a webpage with some tips for the X10:
http://www.creative-sadness.de/cgi-b...l?Site=samsung

Andy.
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