Wide screen for X in FreeBSD on Dell Inspiron 700m/710m
31 March, 2006 - 16:59 — शंतनू
OS: FreeBSD 6.0, 6.1, 6.2
Xorg: 6.8.2
Get the patch over here. Source can be found over here. It is a linux binary which modifies BIOS video mode. There is also a FreeBSD port for that sysutils/i855vidctl10 which I haven't tried yet.
Next, modify xorg.conf which works for 1024x768 mode. (can be achieved with X -configure or xorgcfg -textmode)
Section "Monitor"
Identifier "Generic Monitor"
HorizSync 30-90
VertRefresh 50-160
Option "DPMS"
Modeline "1280x800_60.00" 83.46 1280 1344 1480 1680 800 801 804 828 -HSync +Vsync
EndSection
Important lines are HorizSync, VertRefresh, Modeline.
In 'Screen' section of xorg.conf you should have following:
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
Next,
Run following as root:
# 855resolution.bin 5c 1280 800
Note: Instead of '5c' you may need to put some other value. 855resolution.bin -l will show you the list of available modes. Select the one with 32-bit color depth and which is nearer to 1280x800. e.g. 1280x801.
Download: 855resolution.bin
Now run startx. You will get 1280x800 resolution :)
One must run 855resolution.bin 5c 1280 800 after every reboot. You may put it in /etc/rc.local to start it automatically.
Useful Links:
http://www.linux-on-laptops.com
Comments
HI
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Thanks for the patch
Thanks for the patch शंतनु.
Good job!
Thank you for the great tutorial. Now i have 1280x800 res.! 8)
Thanks
Thanks for the info and the patch :)
However, shouldn't the Modes reference match the first part of the Modeline? I thought that with a Modeline beginning "1280x800_60.00", the Display section Modes would also need to read "1280x800_60.00"
Also, what does the patch do? Does it add the "1280x800" resolution as native to the X server modes, or does it patch the video driver module? If it adds the resolution, then why do I need to specify a Modeline? (is this why it works even though they don't match --- ie, the Modeline isn't even used after applying the patch?)
I am also concerned about selecting a 32-bit resolution depth, and specifying a 24-bit depth in the xorg.conf. Shouldn't I be able to specify 32-bit after this patch is applied?
Thanks again :)
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I just experimented a bit,
I just experimented a bit, and it seems that after running the patch, which updates the video BIOS mode (I apologize for my earlier confusion on that one), the 1280x800 mode is supported natively, rendering the Modeline 1280x800_60.00 unneccessary. (And incidentally, the 60.00 usually refers to the refresh rate in Hz, but the Modeline you list refers to a refresh rate of 83.46Hz).
I removed the additional Modeline entirely from my xorg.conf, leaving Modes 1280x800 after running the patch, and the display works perfectly. The Modeline isn't needed as long as you're using the patch.
Cheers!
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