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From: hoffman@pitt.UUCP (Bob Hoffman)
Newsgroups: comp.sys.att
Subject: PC7300 disk limitations
Message-ID: <5773@pitt.UUCP>
Date: Wed, 8-Jul-87 10:43:56 EDT
Article-I.D.: pitt.5773
Posted: Wed Jul  8 10:43:56 1987
Date-Received: Sat, 11-Jul-87 05:38:27 EDT
Reply-To: hoffman@pitt.UUCP (Bob Hoffman)
Distribution: na
Organization: Univ. of Pittsburgh Computer Science
Lines: 16
Keywords: AT&T 7300 disk

Several times on these newsgroups I have seen people say that the
hard disk controller on the PC7300 is limited to 1024 cylinders and
8 heads.  Why, then, would the 3.5 software upgrade have a file in
its /usr/lib/iv directory called "maxtor1140" which says "heads 15"
and another one called "maxtor2190" which says "heads 15" and
"cylinders 1224"?  Is this just wishful thinking on the part of
someone at AT&T or Convergent?  Or can these drives really be connected?

On a related question, does anyone know if the system will support a
second floppy disk drive?  I have a couple of friends with Convergent
MiniFrames which use 80-track drives, and practically the same o/s
as the 7300.  I'd like to be able to exchange disks with them.

-- 
Bob Hoffman, N3CVL       {allegra, bellcore, cadre, idis, psuvax1}!pitt!hoffman
Pitt Computer Science    hoffman%pitt@relay.cs.net