> 
> While we're on the subject of boot scripts, is there a command to make
> the machine wait a bit? (Equivalent to sleep().) I have my box
>
Yes, there is: use as boot command:

begin ['] boot catch 1000 ms cr again

this will make it wait for 1000 ms before attempting to boot again. I found this
in one of the man pages for LinuxPPC.

Robert.