[SunHELP] RE: [SunRescue] Confused SS5 booting -- drive ID?

[Brian Hechinger]

> Bob--                                 
> At the EEPROM prompt, use "probe-scsi" (or
> probe-scsi-all on laterer OBP versions or                                   
> with multiple SCSI controller cards) to                                 
> verify which disks have which targets.                                      

this is the best way to see what's going on, tells you
everything you need to know about your SCSI bus. :)

> Yes, the 5/20 backplane does automagically
> configure SCSI IDs--in fact, many SCA drives
> don't even *have* the SCSI id jumpers, since
> that's one of the things that SCA is supposed
> to do for you.  On my system here, it appears
> (from the command line without dropping out
> to OBP) that the bottom disk gets ID=3 and
> the top disk gets ID=1, which is consistent

correct.

> with the two internal disks in a SPARC 10.

a sparc10 is not equiped with SCA.  it uses 50 pin you gotta choose the id
jumpered drives.

-brian