On Wed, 19 Dec 2001, Paul Goyette wrote:
> Of course, I've got my boot flags set to A (I think that's what it is),
> but I don't remember how that got set or what it should be set to to
> enable me to boot single-user.

Hit ^C a lot before it starts booting, and you'll get the SRM prompt.
Then you do something like: boot -flags ""
(check the help for boot for details :)