4 Dec
2005
4 Dec
'05
10:14 a.m.
On 12/4/2005 at 11:48 AM Gil Carrick wrote:
According to Peter Norton, the BIOS code in a PC scans
memory starting at
C000 and looking at every 2K block for the signature 0x55AA. (
Having written some of my own BIOS extension code, this comes as no
surprise. But I was speculating about the likelihood of a "custom"
becoming a de facto standard. In other words, it seems that all VGA/EGA
adapters put BIOS code at C000:0, but are the authors of any OS or PC BIOS
sufficiently benighted to insist that it always must be at that location?
Cheers,
Chuck