Hi all,
First byte after IBM is usually a checksum. So in fact only two bytes differ.
Now you may ask what it is... and it is a IOBASE :)
typedef struct _ATOM_ROM_HEADER
{
ATOM_COMMON_TABLE_HEADER sHeader;
UCHAR uaFirmWareSignature[4];/*Signature to distinguish between Atombios
and
2015-06-03 1:33 GMT+02:00 ron minnich rminn...@gmail.com:
interesting. Not sure what is up here but I have seen that many VGA bioses
copy themselves to RAM and then modify their own code.
I've seen some VGABIOSes map some small register block into the memory
region where the VGABIOS resides. I
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