I see.I kinda figured out @0 but with :0 I'm still in the fog:
 Does it mean the physical block number zero?
What if my boot code lives at some offset? 
Can I say sd@<scsi ID>:<offset from block zero> - or something like that?

Thx Andy


At 04:47 PM 10/11/99 -0700, you wrote:
>On Fri, 8 Oct 1999, Andy wrote:
>
>> -What does the :0 in the device path  ( e.g fd:0 or /scsi/sd@0:0 ) refer to?
>> Sector number?
>> - Let's say I have an external SCSI drive with ID 2. How do I tell OF to
>> boot from  it?
>
>Partition number, where 0 is the whole disk.
>
>I think for a drive with ID 2, you want sd@2:0.
>
>Take care,
>
>Bill
>
>