Revise to: KDJ11-BF (M8190-AE) Goes in slot 1 KDJ11-Bx MSV11-JE M8637-EA Slot 2 Slot 2 MSV11-JE M8637-EA Slot 3 Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Pete Turnbull Sent: 23 May 2007 22:58 To: On-Topic and Off-Topic Posts Subject: Re: PDP-11/84, PMI and Q-bus On 23/05/2007 21:21, Rod Smallwood wrote: Oops! I'm sorry, but -JD was a typo on my part. I meant to write MSV11-JE, M8637-EA, which is the higher-capacity version: a pair would give you the full 4MB that a PDP-11 can address. The -JD is half the size. -- Pete Peter Turnbull Network Manager University of York