> From: Jason Thorpe <thorpej@nas.nasa.gov>
> Date: Tue, 07 Feb 1995 20:25:56 -0800

> Ok - so I finally have NetBSD running on this bloody thing...
Great!  Congrats!

> But, I can't get it to autoboot from ie(0)...it insists on using xy(0)...
> 
> This is SunOS 3.5, and there is no eeprom command on the thing...So, I 
> tried plopping the following in a prom addr 0x19:
> 	69 65 0 0 0 
> 
> which translates to ie(0,0,0)

[ still boots on xy() -- the default ]

> So, what am I missing here?

You got almost all of it -- must also set eeprom byte 0x18 to 0x12.
Take a look at src/sys/arch/sun3/include/eeprom.h for details.
EEPROM byte 0x18 is described as eeBootDevStored in that file.

> On the lighter side...
> 
> >b ie(0,0,0)
[...]
> Copyright (c) 1982, 1986, 1989, 1991, 1993
>         The Regents of the University of California.  All rights reserved.
> 
> NetBSD 1.0A (GENERIC) #137: Tue Jan 24 00:24:19 EST 1995
>     gwr@saturn2:/home/gwr/netbsd/src/sys/arch/sun3/compile/GENERIC
> Model: Sun 3/260

Yea!
Gordon