> It should be, yes.  Make sure your a.out libs are in /emul/a.out/usr/lib/...
> and make sure your ld.so (the a.out version) is up-to-date (anything newer
> than "serveral months old" should work fine).
> 
I think I'm okay my ld.so comes from 1.5ZA.

> I suggest putting your a.out libs into the emul area first before installing
> the ELF userland over the top of your old a.out userland.  That way you can
> make sure it'll work out.
> 
Good plan. I think I'll do some backing up so that I can get back if it all 
goes horribly wrong as well.

Thanks

Mike