Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!spool.mu.edu!news.nd.edu!mentor.cc.purdue.edu!purdue!haven!ni.umd.edu!MIKE@UC780.UMD.EDU From: mike@UC780.UMD.EDU (Mike Santangelo) Newsgroups: comp.sys.dec Subject: Re: Rqdx3/ba123 Message-ID: <1991Apr17.160216.27787@ni.umd.edu> Date: 17 Apr 91 16:02:16 GMT References: <1991Apr17.035213.29724@eddie.mit.edu> Sender: usenet@ni.umd.edu (USENET News System) Reply-To: mike@UC780.UMD.EDU Organization: The University of Maryland, University College Lines: 58 In article <1991Apr17.035213.29724@eddie.mit.edu>, shawn@eddie.mit.edu (Shawn F. Mckay) writes: >Howdy. I am having some trouble getting an RQDX3 working with two RD53's, >in a BA123 using the dispatch board in slot 13 (AB or CD). > >It never seems to find the drives: >?40 NOSUCHDEV >?06 ..... > >Sometimes I get (I tried dub1 just "in case"): >?41 DEVASSIGN, DUB1 > >I have both the Tech Manual, and the MicroF, and neither seems >to cover a few important points: >a) The signal distribution board (M9058) has some jumpers, > which have no documentation, (I'm told they "matter" but > no one seems to recall why or how). > >b) By advice and example keeping the cable untwisted seems > to work between the dist board and Rqdx3, what about the > cables between the dist board and the displays in front, > the cable between the dist board and the lights have 4 > heads, which is drive 0? > >c) The jumpers on the RQDX3 itself SEEM easy, is there any magic > one should know about? The setup NEVER seems to work, we have > a bunch of Rqdx3's here, KNOWN good, (they work in BA23 boxes), > so do the RD53's we use. Why is the BA123 such a pain to get > working? > >We have looked through the manuals, the configuration we are using >is "legal" according to it, but its awful unclear, which is not my >usually feeling from DEC manuals, can anyone out there offer some >assistance in this matter? > > Thanks, > -- Shawn > >p.s. >We run ESDI controllers in our ba123's just fine :-) Have you tried verifying the CSR address? This is set by a bank of jumpers "A2 - A12". If you hold the card so that the edge-connector is on your left and the component side facing you, A2-A12 runs verticle and is relatively close to the edge-connector. A2 is at the top. 1 1 1 [A] 2 3 4 5 6 7 8 9 0 1 2 Primary Addr (772150, "DUA") O I O I I O O O I O I Secondary Addr (776150, "DUB") I I I O I I O O O O O I is jumper-installed, O is jumper out. +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Michael F. Santangelo + Inet: mike@uc780.umd.edu VMS / UNIX Systems + mike@socrates.umd.edu Academic Computing UMUC + Bnet: MIKE@UC780 (The University of Maryland, + MIKE@UMUC (not visited often) University College) +