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Old 11-29-2007, 12:12 PM   #1
reverse
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ATI Radeon Mobility X1400 - 1280x800 on the console?


Hello. I have an ATI Radeon Mobility X1400 and so far I've been able to get 1024x768 going with it on the console. I'd like a "full" 1280x800 resolution. I can get that resolution under X via fglrx-driver but how am I supposed to obtain it when using the console?
 
Old 11-29-2007, 12:27 PM   #2
ingerul9
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Hi.

You must install the driver from www.ati.com. Follow the instructions and then if it doesn't work try reapplying the settings

dpkg-reconfigure xserver-xorg

Observation -> the command above works only if u run it like root (like in sudo dpkg-reconfigure xserver-xorg)
 
Old 11-29-2007, 01:00 PM   #3
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Hello. I'm afraid I don't understand, why would I reconfigure xserver-xorg when I need to get 1280x800 on the --Console-- ?
 
Old 11-29-2007, 02:18 PM   #4
baikonur
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Quote:
Originally Posted by reverse View Post
why would I reconfigure xserver-xorg when I need to get 1280x800 on the --Console-- ?
it would not change anything, X has nothing to do with it.
i don't know if what you are trying to do is possible... why do you need it anyway? (you can just open a terminal and have high resolution)
how do you know you have 1024x768 on the console? did you count them?
 
Old 11-29-2007, 03:30 PM   #5
makuyl
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Have you tried the "vga=871" kernel parameter?
Do you get anything from "vbeprobe" in grubs command line?
 
Old 11-30-2007, 05:11 AM   #6
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Quote:
it would not change anything, X has nothing to do with it.
Yes, I thought so, but I asked anyway.

Quote:
why do you need it anyway? (you can just open a terminal and have high resolution)
I want it because I no longer want X on my system, simple as that.

Quote:
how do you know you have 1024x768 on the console? did you count them?
Yes, I counted "them". And when I finished, I realised I had added vga=792 to the kernel line in Grub's menu.lst

Quote:
Have you tried the "vga=871" kernel parameter?
Indeed, this is what I'm getting: You passed an undefined mode number.

Quote:
Do you get anything from "vbeprobe" in grubs command line?
Yes, the 'highest' resolution it can give me is 1024x768x32. As X doesn't "natively" support the 1280x800 resolution (which can be obtained via the fglrx-driver); I wasn't really expecting the console to be any different (i.e. perhaps it too need some special patches/whatever).
 
Old 11-30-2007, 11:02 AM   #7
makuyl
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You could use the radeonfb framebuffer driver, but I don't have an ati card, so I haven't tried it. Add "video=radeonfb" to the kernel line in menu.lst and see if vga=871 works then.
 
Old 11-30-2007, 11:25 AM   #8
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Thanks for the suggestion, unfortunately it doesn't work.
 
Old 11-30-2007, 11:41 AM   #9
makuyl
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The driver might not be compiled into the kernel, so you could try with an initrd.
 
Old 12-03-2007, 09:41 AM   #10
ingerul9
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I have the same model as you. So when I said to reconfigure it was because so you can select the resolution u want to be "the default 1280x800".
 
Old 12-03-2007, 01:47 PM   #11
MindOfMercury
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If I recall correctly, specifying `video=radeonfb` isn't enough. You have to pass the framebuffer driver (radeonfb) a video mode.

Try some of the following:

video=radeonfb:1280x800
video=radeonfb:1280x800@60
video=radeonfb:1280x800-16@60

The following are useful for LCDs.

video=radeonfb:1280x800,dfp
video=radeonfb:1280x800@60,dfp
video=radeonfb:1280x800-16@60,dfp

If it's stupid/uncooperative about your LCD (if you have one), you can force the issue.

video=radeonfb:1280x800,dfp,panel_yres:800
video=radeonfb:1280x800@60,dfp,panel_yres:800
video=radeonfb:1280x800-16@60,dfp,panel_yres:800

You can also try the above without the dfp parameter.

The syntax of this is as follows:

video=radeonfb:(XSIZE)x(YSIZE)[-(BPP)][,dfp][,panel_yres:(SCREEN_HEIGHT_PX)]

Where XSIZE and YSIZE are the X and Y of the resolution you want, BPP is the color depth, dfp indicates an LCD, and SCREEN_HEIGHT_PX tells the radeonfb driver how tall your monitor is in pixels. Anything in brackets is an optional parameter to the radeonfb driver.

Hope this helps!

Last edited by MindOfMercury; 12-03-2007 at 01:49 PM. Reason: Stupid smilies.
 
  


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