Help needed: connecting DVI TFT monitor to MGA G550 card
alex.wilkinson at dsto.defence.gov.au
Tue Jun 7 23:12:25 GMT 2005
0n Tue, Jun 07, 2005 at 11:50:52AM +0000, Christian Weisgerber wrote:
>Christian Gusenbauer <c47g at gmx.at> wrote:
>> Hmm, it seems to be so simple: take a DVI cable, connect it with the monitor
>> and the G550 card, start FreeBSD (current), change some settings in the
>> xorg.conf file and then start X.
>> Well, I failed miserably :-(.
>> The only resolutions working are 800x600 and 640x480 but the 1280x1024 I'd
>> like to get does not work.
>I suffered a similar experience with a G450 PCI. It is my understanding
>that enabling high resolution modes on the DVI port requires some
>extra fiddling in the driver, but Matrox provides no documentation
>on this so XFree86/Xorg can't implement it. Unless you can use the
>proprietary drivers Matrox provides for some platforms, you're
>effectively stuck with the analog VGA port.
Use the drivers matrox provide for linux:
Place mga_drv.o and mga_hal.drv.o into
/usr/X11R6/lib/modules/drivers/. Make sure you back up Xorg's mga
drivers first though !
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