Daniel Rozsnyó wrote:
James Richard Tyrer wrote:
Carlo Salinari wrote:
Seems this would be a nice motherboard to plug an OGD1 in:
http://www.xbitlabs.com/news/mainboards/display/20070223145912.html
Interesting.
IIUC, this would make it possible to use an OG* board without needing a
VGA compatible video BIOS, but modifying the system BIOS.
This is a very bad idea, at least unless you define a good standard for
bios-less graphic cards (port map, etc..). I would vote rather for use
of VGA or VESA bios than later have troubles with supporting a wrong
"standard" using additional silicon.
Yes, we are going to need a VGA video BIOS for most uses. However, this
would probably be a socketed ROM so it isn't a question of more silicon.
There is a problem with this. Although the original (IBM) VGA hardware
was totally documented right down to individual register bits, the VGA
BIOS calls are fully documented, and the VESA video BIOS extension (and
other VESA stuff) are fully documented there is, AFAIK, no free
implementation of either the VGA hardware or the video BIOS.
--
JRT
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