On 11/22/2019 3:05 PM, Eric Smith via cctalk wrote: > One version of the RH11 added a small FIFO (called a "silo" by DEC, IIRC) > in the data path. I don't recall which suffix that was, nor whether it was > the version used in the KS10. Your memory is correct. The RH11C was the buffered version of the RH11 and was used in the KS10. Rob.