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Path: utzoo!utgpu!water!watmath!clyde!cbosgd!ihnp4!homxb!hou2d!avr
From: avr@hou2d.UUCP
Newsgroups: comp.sys.att
Subject: Re: PC7300 disk limitations
Message-ID: <1461@hou2d.UUCP>
Date: Thu, 9-Jul-87 11:18:16 EDT
Article-I.D.: hou2d.1461
Posted: Thu Jul  9 11:18:16 1987
Date-Received: Sat, 11-Jul-87 18:09:48 EDT
References: <5773@pitt.UUCP>
Distribution: na
Organization: AT&T Bell Laboratories, Holmdel
Lines: 13
Keywords: AT&T 7300 disk
Summary: Hardware mod voids warranty

In article <5773@pitt.UUCP>, hoffman@pitt.UUCP (Bob Hoffman) writes:
> 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?

Using larger-than-standard HD capacities requires a hardware
modification that voids the warranty. Information on how to
do this has not been released, presumably for legal reasons.
				Adam Reed (hou2d!avr)