Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!linus!philabs!cmcl2!harvard!uwvax!astroatc!nicmad!brown
From: brown@nicmad.UUCP
Newsgroups: net.micro.pc
Subject: Re: IBM PC/XT UPGRADE
Message-ID: <694@nicmad.UUCP>
Date: Tue, 20-May-86 23:36:05 EDT
Article-I.D.: nicmad.694
Posted: Tue May 20 23:36:05 1986
Date-Received: Sat, 24-May-86 02:16:28 EDT
References: <846@mhuxt.UUCP> <692@nicmad.UUCP>
Reply-To: brown@nicmad.UUCP (Mr. Video)
Organization: Nicolet Instrument Corp. Madison WI
Lines: 24

In article <692@nicmad.UUCP> brown@nicmad.UUCP (Mr. Video) writes:
>In article <846@mhuxt.UUCP> bll@mhuxt.UUCP (Barbara Levin) writes:
>>We have an old IBM PC/XT we are trying to upgrade from a 10MB to a
>>20MB hard disk.  The old drive and controller were replaced with a
>>SEAGATE 20MB disk and WESTERN digital controller.
>>
>>DOS 2.1 will not "see" the new hard disk, but IBM DIAGNOSTICS DO
>>"SEE" IT AND IT TESTS OUT OK!
>>
>>We need HELP!
>
>Help is in the form of PC-DOS 3.1.  If my memory serves me correctly,
>PC-DOS 2.1 will only 'see' 10 MB hard disks.

Something else came to mind.  Is it possible that the jumpers, or switches,
are NOT set to the correct position.  If you tell the controller that you
have a 10MB drive attached, even if it is 20MB, you will only get 10MB.
-- 

              ihnp4------\
            harvard-\     \
Mr. Video      seismo!uwvax!nicmad!brown
              topaz-/     /
             decvax------/