Re: QUADTEL BIOS AND DOS 5.0

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#10615

From: Steven Brydon
Date: Tue, 24 Nov 1992 00:07

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In article <1ek1n3INNf5l@golem.wcc.govt.nz> kennedy_d@kosmos.wcc.govt.nz (Damian Kennedy) writes:

   From: kennedy_d@kosmos.wcc.govt.nz (Damian Kennedy)

   I am currently experiencing an *interesting* thing.

   When I boot the below system under MS-DOS 3.3 the A20 defaults to disabled (as you would expect it should with no HIMEM.SYS loaded). BUT when the exact system is booted on MS-DOS 5.0 the A20 is defaulting to enabled and I am unable to disable it.

   Has anyone else encountered this problem??
   Anyone got any ideas on how to disable the A20.?? A piece of software I have  
   requires the A20 be disabled when it initilizes the keyboard on installation.

   80386SX/20
   5MB DRAM
   QUADTEL BIOS and KEYBOARD BIOS.

   The boot disks I am using only contain IO.SYS/MSDOS.SYS and COMMAND.COM they are nice clean simple boot disks.

   KENNEDY_D@KOSMOS.WCC.GOVT.NZ

We have a 386SX here with a QUADTEL BIOS KT-386SX V1

HIMEM.SYS version 3.07 (with DOS 5.0) complains with the following:

        Error: Unable to comtrol A20 line
               XMS driver not installed

DRDOS 6.0 memory manager worked fine though ?

I would be interested in anything you find out.

        Steven

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Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!waikato.ac.nz!comp.vuw.ac.nz!newshost!gopher!steven
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: QUADTEL BIOS AND DOS 5.0
Message-ID: <STEVEN.92Nov23120746@gopher.dosli.govt.nz>
From: steven@gopher.dosli.govt.nz (Steven Brydon)
Date: Tue, 24 Nov 1992 00:07:46 GMT
Sender: news@gopher.dosli.govt.nz (USENET News System)
References: <1ek1n3INNf5l@golem.wcc.govt.nz>
Organization: Dept. of Survey & Land Information, NZ.
In-Reply-To: kennedy_d@kosmos.wcc.govt.nz's message of 21 Nov 1992 01:00:19 GMT
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