On Apr 19, 5:58, Eric Smith wrote:
> SCSI-1 added arbitration (for multiple initiators), disconnects (and
> reselection), and the 10-byte commands (to support larger devices). I'm
not
> sure whether SASI supported the message phase; that may also be a SCSI-1
> innovation.
It didn't; messages first appeared in SCSI-1.
> Usually a SASI host can deal with SCSI disk drives. Sometimes a SCSI
> host can deal with SASI targets, as long as it restricts itself to the
> SASI commands.
Some old SCSI hosts can, but most modern ones expect to use messages.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Mon Apr 19 1999 - 02:08:47 BST