Gentoo Archives: gentoo-laptop

From: "Francisco Figueiredo Jr." <fxjrlists@×××××××××.br>
To: gentoo-laptop@l.g.o
Subject: Re: [gentoo-laptop] Unable to clone display on Asus laptop with Intel 855GM
Date: Fri, 25 Jan 2008 18:35:02
Message-Id: 479A2914.6080807@yahoo.com.br
In Reply to: [gentoo-laptop] Unable to clone display on Asus laptop with Intel 855GM by Michael Mestre
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3
4 Michael Mestre wrote:
5 | Summary : X boots in 1024x768, ignoring my 800x600 request, on my
6 | Intel855GM laptop. Also, it will not let me have my way with the
7 | "clone" option.
8 | ---
9 | Hi,
10 |
11
12 Hi, Michael!
13
14 I wouls suggest you to remove all dual head configuration from your
15 xorg.conf file, letting only the lcd configuration as usual and use
16 xrandr to control the resolution of your VGA output and lcd.
17
18 I'm saying that because this is exactly the setup I use here and it
19 works perfectly! I also have an 855GM based laptop and after being
20 introduced to xrandr, I think I would never touch my xorg.conf again for
21 dual head configuration.
22
23
24 When you clean up your xorg.conf file, when you start x, your VGA output
25 will be automatically mirrored. The resolution will be different but X
26 will try to get a resolution on both monitors to accomodate both panels
27 (LCD and VGA).
28
29 After booting, you will be able to change your resolution with the
30 following simple command:
31
32
33 xrandr --output VGA --mode 800x600
34
35
36 You may execute xrandr to see what are the available resolutions and
37 also the syntax for using dua head.
38
39 For example, this is what I use to setup my dual head:
40
41 ~ xrandr --output VGA --mode 640x480 --left-of LVDS --outputLVDS --mode
42 1400x1050 --rate 60
43
44
45
46 Also note that you may need to configure in your xorg.conf (I don't know
47 how to change it dynamically) your virtual screen size. You have to put
48 the following in your xorg.conf:
49
50 ~ SubSection "Display"
51 ~ Depth 16
52 ~ Modes "1360x768" "1400x1050" "1024x768" "800x600" "640x480"
53 ~ #Modes "1024x768" "800x600" "640x480"
54 ~ #Virtual 1360 768
55 ~ Virtual 2048 2048
56 ~ EndSubSection
57
58
59 I hope it helps.
60
61
62
63 Regards,
64
65 Francisco Figueiredo Jr.
66 http://fxjr.blogspot.com
67 Npgsql Lead Developer
68 http://pgfoundry.org/projects/npgsql
69 Mono Project Contributor
70 http://www.go-mono.com
71 MonoBrasil Project Founder Member
72 http://monobrasil.softwarelivre.org
73
74
75 - --
76 ~ - Would you tell me, please, which way I ought to go from here?
77 ~ - That depends a good deal on where you want to get to.
78 ~ -- Lewis Carroll "Alice's Adventures in Wonderland"
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91 --
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[gentoo-laptop] gentoo-laptop+unsubscribe-nomail@gentoo.org Jared Jacobson <JaredJ@××××××××××.za>