> How is this possible with only 24 address lines?  Does the ASUS board
> also put extra address lines on the ISA socket?  Which add-in boards
> would support this?

No, you just tell it what to put in the top bits and what to do when
it wraps.   The add-in board knows nothing about it.

> Any fully-functional EISA chipset automagically works in 32-bit
> addressing per EISA spec.  EISA DMA isn't ISA DMA.  If EISA doesn't
> work this way, it's broken.

Not if it has an ISA board plugged into it.

			       _MelloN_