FA: DEC RF-71 Disk Drive
a.carlini at ntlworld.com
Thu Mar 16 12:37:46 CST 2006
>DSSI certainly supports SCA but if you look at the SII I'm
>sure you'll find that it can do both SCSI and DSSI. I'd be
>even more sure if I had an SII spec.
I found a partial spec. It has this to say:
> The second port is the SCSI/DSSI bus and the
> control signals. The outputs from the SII are designed
> interface directly with the NCR 8310 Receiver/Driver chip
> no glue elements. The SII will generate and check parity
> support both the initiator and target roles.
Things may have changed by the time stuff shipped, and you certainly
cannot put a SCSI drive on a DSSI bus (or vice versa) but clearly the
two busses are fairly close at some level.
arcarlini at iee.org
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