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Re: Matrox G550, DVI and FC5



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Trond Danielsen wrote:
> I have a problem with my Matrox G550 graphics card. I cannot get the
> DVI output working from X. After reading the matrox forums I
> discovered that I need a binary module from Matrox to get some of the
> features on the graphics card working, but Matrox only got modules for
> xorg  7.0.0. Has anyone tried these on FC5?

I found a way to get it working without the driver from Matrox. The
kernel module matroxfb can be used. The following steps work on a
default install of FC5:

(1) Create the file /etc/modprobe.d/matroxfb.conf containing the
    following line:
    options matroxfb_base vesa=0x11B

    NOTE: The file matroxfb.txt in the kernel sources gives detailed
    info about the "vesa" option. You should read it.

(2) Create /etc/sysconfig/mkinitrd containing the following line:
    MODULES="matroxfb_base"

(3) Run the following command:
    mkinitrd -f -v /boot/initrd-$(uname -r).img $(uname -r)

(4) Edit the Device section of /etc/X11/xorg.conf:
    Driver "mga"
    Option "UseFBDev" "on"
    Option "HWCursor" "off"

Step (1) might be optional, I don't know. It is for using the
framebuffer on text consoles.

Step (2) tells initrd to load the framebuffer module when creating new
ramdisk images.

Step (3) creates a new initial ramdisk for the running kernel that uses
the above module. When new kernels are installed the module will
automatically be included because of step (2).

Step (4) is the configuration of X.org.

HTH,
Joachim
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