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General Support - Need help with xorg.conf - Samsung 245B

JumpyLINUX - 20.06.2007, 08:13 Uhr
Titel: Need help with xorg.conf - Samsung 245B
Can someone help me to get my monitor Samsung 245B work in native resolution 1920x1200 under Kanotix?

PS: I am not very familiar with linux, but I believe I need to tinker with the xorg.conf.


PSS: Some info I found on the monitors manual:

Display Mode
Horizontal Frequency (kHz)
Vertical Frequency (Hz)
Pixel Clock (MHz)
Sync Polarity (H/V)

MAC, 640 x 480 35.000 66.667 30.240 -/-
MAC, 832 x 624 49.726 74.551 57.284 -/-
MAC,1152 x 870 68.681 75.062 100.000 -/-
IBM, 640 x 350 31.469 70.086 25.175 +/-
IBM, 640 x 480 31.469 59.940 25.175 -/-
IBM, 720 x 400 31.469 70.087 28.322 -/+
VESA, 640 x 480 37.500 75.000 31.500 -/-
VESA, 640 x 480 37.861 72.809 31.500 -/-
VESA, 800 x 600 35.156 56.250 36.000 +/+
VESA, 800 x 600 37.879 60.317 40.000 +/+
VESA, 800 x 600 46.875 75.000 49.500 +/+
VESA, 800 x 600 48.077 72.188 50.000 +/+
VESA, 1024 x 768 48.363 60.004 64.000 -/-
VESA, 1024 x 768 56.476 70.069 75.000 -/-
VESA, 1024 x 768 60.023 75.029 78.750 +/+
VESA, 1152 x 864 67.500 75.000 108.000 +/+
VESA, 1280 x 960 60.000 60.000 108.000 +/+
VESA, 1280 x 1024 79.976 75.025 135.000 +/+
VESA, 1920 x 1200 74.038 59.950 154.000 +/-
bundeskanzler4711 - 20.06.2007, 09:24 Uhr
Titel: Need help with xorg.conf - Samsung 245B
Hi JumpyLINUX,

did you try typing "knxcc" on a console?

(then display->resolution and restart xserver, i think)

By the way: which kind of graphic card do you use?
JumpyLINUX - 20.06.2007, 11:39 Uhr
Titel: Re: Need help with xorg.conf - Samsung 245B
bundeskanzler4711 hat folgendes geschrieben::
Hi JumpyLINUX,
did you try typing "knxcc" on a console?

No, but I will try this.

bundeskanzler4711 hat folgendes geschrieben::
Hi JumpyLINUX,
By the way: which kind of graphic card do you use?

Built in Intel GMA945.
bundeskanzler4711 - 20.06.2007, 14:00 Uhr
Titel: Re: Need help with xorg.conf - Samsung 245B
i found out, that there are two ways using this chip as on-board-variant:

- laptop and
- desktop pc

which one do you have?
JumpyLINUX - 21.06.2007, 05:55 Uhr
Titel: Re: Need help with xorg.conf - Samsung 245B
bundeskanzler4711 hat folgendes geschrieben::
i found out, that there are two ways using this chip as on-board-variant:

- laptop and
- desktop pc

which one do you have?


Laptop (Acer TravelMate 3004WTMi).

I tried knxcc, but the closest I could get was 1600x1200@75Hz. I could not even select 60Hz which is the right frequency.
bundeskanzler4711 - 21.06.2007, 06:39 Uhr
Titel: Re: Need help with xorg.conf - Samsung 245B
perhaps you can try out in livecd-modus following cheatcode at grub (simply add to line):

Code:
screen=1920x1200 vsync=60


if it works, you have two choices:

a) test these cheatcodes at grub in your hd-install or
b) have a look into the /etc/X11/xf86conf (live mode) which parameters are used and copy them to your xorg.conf file

if it doesn't work, let me know Winken
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