> On Sun, 1 Jul 2001, Mike Pumford wrote:
> 
> > As far as I can remember these options are part of the development history
> > of the device drivers. Once the IRQ code became stable most people switched to
> > that mode. I would drop them and switch to the the MI driver. If this proves
> > troublesome we can always provide the old drivers as a transition aid.
> 
> OK.  I'll do that.  I seem to have two volunteers to test cosc(4).  Anyone
> in a position to test a revised csc(4) and ptsc(4)?
> 
Thats good. cosc was I think the one that was the most problematic and may be
the remaining reason for the existence of the no IRQ option. It took my 
sun baked mind a little while to remember this.

Mike