Tom Gardner wrote:
AFAIK the Philips CM100 inside the RRD50 used a
proprietary interface,
Proprietary to Philips/LMSI, yes.
possibly a variant on ESDI - that's one of the
things I'm trying to
figure
out.
No, not even vaguely similar to ESDI.
It maybe that DEC put a SCSI-1 bridge controller
inside the RRD50 box
No, the RRD50 isn't SCSI. It's just a CM100, so it talks via the
proprietary interface to DEC's Qbus or Unibus host adapters. And AFAIK,
those host adapters only support the RRD50 (or CM100).
Eric