Max resolution on E228WFP & Linux

Question

Hi,

I'd like to use my new E228WFP under linux (RHEL4) at 1680x1050. In the Monitor Setup I've selected the 'LCD 1680x1050' monitor from the list and when I restart I get 1400x1500 and two bands of nothing on either side.

How can I get this monitor to work nicely with RHEL?

Thank you.

Greg

limaunion · Answer

Hi! I've the same monitor as you but I'm running Ubuntu Feisty (7.04) with the following settings for 1680x1050 (/etc/X11/xorg.conf under the 'Screen' section):

SubSection "Display"
Depth 24
Modes "1680x1050" "1280x1024" "1280x960" "1024x768" "832x624" "800x600" "720x400" "640x480"
EndSubSection

It works flawlessly!
HTH
JC.

Greg Jones · Answer

I've worked it out from various posts on the internet.

First I generated the modeline using the gtf command like this:

# gtf 1680 1050 60

The command output the following:

# 1680x1050 @ 60.00 Hz (GTF) hsync: 65.22 kHz; pclk: 147.14 MHz
Modeline "1680x1050_60.00" 147.14 1680 1784 1968 2256 1050 1051 1054 1087 -HSync +Vsync

Then in the Monitor section of xorg.conf I added the line

UseModes "Modes[0]"

Then below that, added the following section

Section "Modes"
Identifier "Modes[0]"
#Modeline "1680x1050" 79.16 1152 1192 1288 1472 864 864 866 896 +hsync +vsync
# 1680x1050 @ 60.00 Hz (GTF) hsync: 65.22 kHz; pclk: 147.14 MHz
Modeline "1680x1050_60.00" 147.14 1680 1784 1968 2256 1050 1051 1054 1087 -HSync +Vsync
EndSection

Please watch out for the text wrap in the above lines.

HTH

Greg.

limaunion · Answer

I didn't know about that command, very useful information. Thanks.

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Max resolution on E228WFP & Linux

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