I tried installing a G450 AGP in place of my Rage Pro in my desktop
machine at work recently, and was unable to get a picture from the
Matrox card. It appeared from the server log that the driver couldn't
find the BIOS on the card.
I'm unable to make this the primary card as the BIOS in the machine
doesn't offer a choice of where to boot VGA from; it's always the PCI
card that comes up as primary video.
A bit of poking around in the code showed the driver was not actually
reading the BIOS, but it wasn't too obvious why; there was (and still
is) a comment:
"Warning! This code currently does not detect a video BIOS"
It looks as though the code has changed a little since I tried this,
but the comment is still there. Is this a limitation of the hardware
or could I (or someone who has documentation) repair this? Would it
be as simple as changing a few constants to suit the G4xx cards -- is
the BIOS signature in a different place, or a little different? I'm
not averse to experimenting.
Can anyone point me in the right direction? I'm eager to get this
to work as the ATI card struggles a little at 1600x1200x32@85 ;o)
although it beats some other similar-aged cards I've tried hollow.
--
/* Bill Crawford, Unix Systems Developer, ebOne, formerly GTS Netcom */
#include "stddiscl.h"
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