Arch Linux

Berticus

Member

Registered: 2008-06-11

Posts: 731

[SOLVED] Dual Monitor Setup

As the title suggests I'm trying to create a dual monitor setup. I have the nVidia 8800 GT, but I can't seem to find the other BusID:

$ lspci | grep VGA
03:00.0 VGA compatible controller: nVidia Corporation GEForce 8800 GT (rev a2)

I know it's located at 01:00.0, but why doesn't it show up? I tried rebooting with both monitors plugged in and on, but then it couldn't find /dev/sda3 (root partition, luks). I tried booting up 3 times, but all three times ran into the same problem. I was only able to boot into the computer when I turned off the second monitor.

I'm also trying to configure xorg.conf, but I'm not quite sure how to. They have different resolutions. From what I gather, there are two ways to do it with an nvidia card. I can either use twinview in the screen section or create two monitors and screens, and then put them both in serverlayout, is that correct?

---Edit---
The first screen has a resolution of 1280x1024, and the other is 1600x900.

Last edited by Berticus (2009-07-19 00:14:27)

q0tsa

Member

Registered: 2009-07-20

Posts: 39

Re: [SOLVED] Dual Monitor Setup

I have the same graphics card and cannot get dual monitor setup working. How did you finally solve the problem?

sand_man

Member

From: Australia

Registered: 2008-06-10

Posts: 2,164

Re: [SOLVED] Dual Monitor Setup

Does it not show up when you run nvidia-settings?

---

ngoonee

Forum Fellow

From: Between Thailand and Singapore

Registered: 2009-03-17

Posts: 7,356

Re: [SOLVED] Dual Monitor Setup

If the 8800 has two outputs, both of them have the same BusID, only the Screen variable differs. So you would have two Device sections, different identifiers, BusID of "PCI:3:0:0", and Screen of "0" and "1"

---

Allan-Volunteer on the (topic being discussed) mailn lists. You never get the people who matters attention on the forums.
jasonwryan-Installing Arch is a measure of your literacy. Maintaining Arch is a measure of your diligence. Contributing to Arch is a measure of your competence.
Griemak-Bleeding edge, not bleeding flat. Edge denotes falls will occur from time to time. Bring your own parachute.

q0tsa

Member

Registered: 2009-07-20

Posts: 39

Re: [SOLVED] Dual Monitor Setup

Thx ngoonee, I finally got it working! Now both monitors show up in nvidia-settings and I can drag them around.

Here's my working xorg.conf, if anybody needs it.

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen      0  "Screen0" 
    Screen      1  "Screen1" LeftOf "Screen0"
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
    ModulePath   "/usr/lib/xorg/modules"
    FontPath     "/usr/share/fonts/misc"
    FontPath     "/usr/share/fonts/100dpi:unscaled"
    FontPath     "/usr/share/fonts/75dpi:unscaled"
    FontPath     "/usr/share/fonts/TTF"
    FontPath     "/usr/share/fonts/Type1"
EndSection

Section "Module"
    Load  "dbe"
    Load  "extmod"
    Load  "dri"
    Load  "glx"
    Load  "record"
    Load  "dri2"
EndSection

Section "InputDevice"
    Identifier  "Keyboard0"
    Driver      "kbd"
EndSection

Section "InputDevice"
    Identifier  "Mouse0"
    Driver      "mouse"
    Option        "Protocol" "auto"
    Option        "Device" "/dev/input/mice"
    Option        "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    Identifier   "Monitor0"
    VendorName   "Monitor Vendor"
    ModelName    "Monitor Model"
EndSection

Section "Monitor"
    Identifier   "Monitor1"
    VendorName   "Monitor Vendor"
    ModelName    "Monitor Model"
EndSection

Section "Device"
    Identifier  "Card0"
    Driver      "nvidia"
    VendorName  "nVidia Corporation"
    BoardName   "GeForce 8800 GT"
    BusID       "PCI:1:0:0"
EndSection

Section "Device"
    Identifier  "Card1"
    Driver      "nvidia"
    VendorName  "nVidia Corporation"
    BoardName   "GeForce 8800 GT"
    BusID       "PCI:1:0:0"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device     "Card0"
    Monitor    "Monitor0"
EndSection

Section "Screen"
    Identifier "Screen1"
    Device     "Card1"
    Monitor    "Monitor1"
EndSection