[ltp] r51 and external monitor
Nathan Owens
linux-thinkpad@linux-thinkpad.org
Tue, 7 Jun 2005 19:45:07 -0700 (PDT)
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What's the problem you're seeing? I assume you have an ATI (I think one of your
e-mails said that). Maybe you could send your log file (should be in /var/log)?
Do you have an LCD or CRT? You may need to change change the "CRT" in
MonitorLayout to "TMDS" - see 'man radeon' fro more info. Depends on if you're
using analog (CRT) or digital (TMDS) (my R51 with an ATI 7500M has an analog
plug).
You probably don't have to change your "monitor" section, as this is the TP
flatpanel, and it's already working.
The specific parts here probably need to be changed:
Option "MonitorLayout" "LVDS, CRT"
Option "MergedFB" "true"
Option "CRT2Position" "Clone"
Option "CRT2Hsync" "30-85" # this is my CRT Hsync
Option "CRT2Vrefresh" "48-120" # this is my CRT Vrefresh
Option "MetaModes" "1024x768"
I'd find out your monitor Hsync (85 Hz is my top sync rate), and Vrefresh rate.
I found these out because Mandrake seems to have a database of them, and has my
monitor. As for the meta modes, since you want 1600x1200 the last line might
look like
Option "MetaModes" "1024x768" "1600x1200"
or like:
Option "MetaModes" "1600x1200"
Attached is my whole xorg.conf/XF86Config file. Maybe I missed something
important in that last e-mail.
If for some reason you still can't get it to work, let me know. I have mine
working perfectly, so I'd be more than happy to help. It doesn't matter whether
my laptop lid is closed or not, and the refresh rate on my CRT is 85Hz (not
stuck at 60Hz, which was my problem the first time I tried this).
One note: the external port is always on in this configuration, so it may drain
some power even if a monitor isn't hooked up to it. I have yet to get the Fn
buttons working like in Windows (haven't tried too hard, though)
Hope this helps!
Nathan
--- Michael Ott <michael@zolnott.de> wrote:
> Hello Nathan!
>
> > > I have a new r51 and i want to use an external monitor (1600 x 1200).
> > > Does anybody have an existing XF86config for me because i have problems
> > > with the configuration of this file.
> >
> > I have an R51 with an external CRT (1024 x 768) and am doing a clone with
> my
> > ATI 7500M card. Here's the relavent parts of my xorg.conf file:
> >
> > # ThinkPad
> > Section "Monitor"
> > Identifier "monitor1"
> > VendorName "Generic"
> > ModelName "Flat Panel 1024x768"
> > HorizSync 31.5-48.5
> > VertRefresh 40-70
> >
> > # TV fullscreen mode or DVD fullscreen output.
> > # 768x576 @ 79 Hz, 50 kHz hsync
> > ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630
> >
> > # 768x576 @ 100 Hz, 61.6 kHz hsync
> > ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
> > EndSection
> >
> > # radeon driver - this is the part to change
> > Section "Device"
> > Identifier "device1"
> > VendorName "ATI"
> > BoardName "ATI Radeon (fglrx)"
> > Driver "radeon"
> >
> > Option "DPMS" "ON"
> >
> >
> > Option "MonitorLayout" "LVDS, CRT"
> > Option "MergedFB" "true"
> > Option "CRT2Position" "Clone"
> > Option "CRT2Hsync" "30-85" # this is my CRT Hsync
> > Option "CRT2Vrefresh" "48-120" # this is my CRT Vrefresh
> > Option "MetaModes" "1024x768"
> >
> > # Option "nopanel_display" "ON"
> > EndSection
> Thank you. But does not work on my laptop
>
> CU
>
> Michael
>
> --
> Michael Ott, e-mail: michael@zolnott.de, www.zolnott.de
> I am registered as user #275453 with the Linux Counter,
> http://counter.li.org.
>
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