> Hello, all,
> 
> Could someone please help me to understand what these kernel options are
> for?
> 
> What instructions? Relevant for which CPUs? (I have a 4000/60)
> #options        NO_INSN_EMULATE # CPU does not lack some hardware instructions.
> 
Almost all CPUs lacks some instructions, so unless you know for sure that
you have all instructions you should leave this uncommented.
(The 4000/60 are missing some insn's).

> Then what is this, and what is the status? What is outputted to the status
> LEDs?
> # VAXstation diagnostic LED (experimental)
> options         LEDS
> 
The system load a'la Sun :-)

> And, finally, where would these instructions ever be used?
> "Code to emulate the POLY{F,D,G,H} instructions is missing."
> 
In libm. but that text is out-of-date, enough of polyd is implemented 
to make libm work.

-- Ragge