On Wed, Sep 25, 2019 at 3:23 PM Antonio Carlini via cctalk < cctalk at classiccmp.org> wrote: > It's probably not related but I do have EK-RWP04-MM-001. Is the RWP04 > related to the RP04? > An RWP04 subsystem includes an RP04 drive and an RH70 Massbus Interface for a PDP-11/70.