This page is about a PDP-11 QBUS non-DEC MFM Winchester Disc Controller that I really like: the Webster SRQD11-A. The SRQD11 is similar in some ways to DEC’s family of RQDX controllers. Both boards are “dual-height” QBUS boards, and both can be used to connect an MFM hard drive to a QBUS-based PDP-11 system. But … Continue reading Webster SRQD11<..
