VGA arbitration: API proposal

[Egbert Eich]

Jon Smirl writes:
 > > 
 > > I don't know where you got these from. But the first set is not
 > > documented in any data book that I know of.
 > > Therefore I assume they are not decoded by these chips.
 > 
 > Older VGA cards used to have jumpers on them for primary or secondary
 > devices. This allowed two VGA cards in one machine on ISA.

Hm, I don't think any of mine does - and I've got a whole pile of them.
So I don't think this is an industry standard. 
It is a feature of some early cards to support multi head on ISA.

Cheers,
	Egbert.