Drive VGA card (Am I right ?)
Ronald G Minnich
rminnich at lanl.gov
Sun Oct 13 16:03:00 CEST 2002
On Sun, 13 Oct 2002, chiangyj wrote:
> LinuxBios replace normal BIOS with its own BIOS,
> so it can't drive VGA card like normal initialization(find the VGA card,
> map VGA BIOS to system memory, then call initialize routine)
It can and does. It is a build option. Buy many VGA card BIOSes do illegal
actions so we do not support them.
> 1. Use BIOS emulator: Run VGA BIOS in BIOS emulator and you
> can drive it like normal initialization. BIOS emulator's job is to take
> appropriate actions(hardware-dependent actions, eg. access VGA register)
we do that too, there is a supplied program to do this. It needs some
> 2. Use matroxfb: Because it can intiailize VGA without VGA BIOS.
We also do that.
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