mike smith <miff@spam.frisbee.net.au>  wrote:
 > Am I getting too demanding yet?  How about bit assignments

nope. sorry.

 > Any idea which IPL this part is normally on?

nope.

 > > as far as pio goes:
 > > 
 > >         piobase+0x0             parallel input register
 > >         piobase+0x4             input polarity register
 > >         piobase+0x8             input edge/level register
 > 
 > Teaser, I'm sure.  Where's the pio register?  Wonder if it
 > actually goes anywhere on the 425?

hmmm... I'm wondering if this is just a way of directing the util 
chip to do pio for you? ie: the intel equivalents to inb/outb?

naw, that's dumb... anyway, I can't find any additional references to 
it in my docs.