> Select with ATN is mandated by SCSI II and should cause the target to 
> perform a message out phase.  The initiator should then send an IDENTIFY 
> message followed by any other messages it wants to send.
> 
> I suggest you use select-with-ATN and send out a proper IDENTIFY 
> message.  This allows your driver to select the proper LUN it wants to 
> talk to, since the LUN does not seem to be provided properly in the 
> command with the current mid-level SCSI drivers.
Just beware the (at least in SCSI-1) IDENTIFY is optional. I just found
out that there are really devices not supporting it...

Leo.