On 10/22/2010 10:45 PM, Peter Stuge wrote:
Patrick McNamara wrote:
Well, we have the windows piece, and then the fact that almost
every PC BIOS on the planet needs VGA text mode and/or occasionally
VGA graphics mode.
No BIOS I have seen requires VGA text mode. It can not know. And many
BIOS are happy even without a VGA BIOS in the system.
If your does happen to require a VGA BIOS, and you don't have one
otherwise, then you can always use SGABIOS, or create a derivative,
to suit your needs.
But now there is a VGA BIOS for OGD1 so the point is moot.
//Peter
_______________________________________________
I suppose I should clarify what I meant by required. You are correct
that it is not required to boot the system. However, in order to change
any BIOS settings or interact with the system prior to a driver being
loaded (the grub boot menu, for example), a basic text and/or VESA
graphics capability is needed.
Here is an example. The test system I am using has an on board video
controller and I have an OGD1 card installed. I can select which card
is used as the primary graphics by selecting whether the PCI or AGP
(yes, its old) graphics card is initialized first. In order to switch
this I have to be able to go into the BIOS settings. If the system is
configured to select the OGD1 card first, it has to support basic VGA
text so that I can use it to switch the BIOS setting.
All that said, I agree with Tim, in general, VGA performance is not a
major focus. Having the basic functionality is important though.
Patirck M
_______________________________________________
Open-graphics mailing list
[email protected]
http://lists.duskglow.com/mailman/listinfo/open-graphics
List service provided by Duskglow Consulting, LLC (www.duskglow.com)
