>thanks for the info Bill, I'll see what I can dig up when I get home.  The
>annoying this is, there was an Adaptec AIC7xxx mailing list at one time
>(circa 95-97) which is now AWOL it seems.  I even got a hit on a post
>entitled "Re: # of SCBs" which I can't find.  ack!  :)

Try aic7xxx@FreeBSD.org.

My first guess at this problem would be some issue with how the chip
is mapped in, causing the software to fail when attempting to access
the on-chip SCB space.

--
Justin