Article View: comp.sys.dec
Article #4003Re: RD53 who thinks it is a RD51
From: Terry Kennedy, Operations Mgr.
Date: Tue, 28 May 1991 04:34
Date: Tue, 28 May 1991 04:34
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In article <1991May20.194041.18402@athena.mit.edu>, prg@athena.mit.edu (Patrick R. Griffin) writes: > My questions are: > (1) Where does the system get the information about what type of disks > are attached to it? The RQDX1 and 2 issue assorted illegal commands to the drive to guess the number of heads and cylinders. The RQDX3 writes geometry information to the disk when it's first formatted, and then reads it every time an MSCP online command is issued to the disk. > (2) What can be done to convince the system that the disk in question really > is a RD53? If this is on an RQDX1 or 2 (unlikely as you mentioned 3 disk drives), it is probably a drive problem, most likely in the logic board. If the control- ler is an RQDX3, it could be a simple loss of format, or it could be a logic board problem as in the RQDX1/2. Terry Kennedy Operations Manager, Academic Computing terry@spcvxa.bitnet St. Peter's College, US terry@spcvxa.spc.edu (201) 915-9381
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!uunet!seismo!dimacs.rutgers.edu!aramis.rutgers.edu!paul.rutgers.edu!njin!spcvxb.spc.edu!terry From: terry@spcvxb.spc.edu (Terry Kennedy, Operations Mgr.) Newsgroups: comp.sys.dec Subject: Re: RD53 who thinks it is a RD51 Message-ID: <1991May28.043405.1378@spcvxb.spc.edu> Date: 28 May 91 04:34:05 GMT References: <1991May20.194041.18402@athena.mit.edu> Distribution: usa Organization: St. Peter's College, US Lines: 21