On 2015-07-08 19:21, Robert Armstrong wrote:
Perhaps SDI is
a typo for SBI, as in the 11/780?
Yeah, exactly. Sometimes the fingers are faster than the brain :-)
Synchronous Backplane Interconnect - the system bus used on the 78x and
some of the 8000 machines.
The 8600 and 8650 are the two who have SBI. Up to two of them, actually.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol