try:

ok boot cdrom:g

>From the OBP/OpenBoot

or :h, or:d, I forget.   You have to specify the slice some times.  Make
sure you can mount the volume in Solaris, too, to confirm that it burned
properly.

On Tue, 2006-02-07 at 09:35, Sridhar Ayengar wrote:
> Hi.  I'm trying install NetBSD/sparc64 3.0 on a Sun Blade 100 I just got 
> (thanks Gary).  I got it to talk to a serial terminal, but when I try to 
> boot from the NetBSD CD-ROM (ok boot cdrom), I get the error:
> 
> Cannot read disk label.
> Cannot open disk label package.
> 
> Cannot open boot device.
> 
> The first time, I burned the CD using IBM Recordnow!  Thinking that it 
> might have been causing the problem, I tried again using Nero 
> disc-at-once mode.
> 
> This is my first time trying to install NetBSD on an UltraSPARC, so I am 
> a little lost.  Thanks.
> 
> Peace...  Sridhar
>