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PAT314.TXT
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1993-09-17
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: PAT314.EXE
DOCUMENT ID: TID000260
DOCUMENT REVISION: A
DATE: 01JUL93
ALERT STATUS: Yellow
INFORMATION TYPE: Symptom Solution
README FOR: PAT314.EXE
NOVELL PRODUCT and VERSION:
DR DOS 6.0 4/92
ABSTRACT:
This patch modifies Int 21h/33xxh, the Ctrl Break handler to support
undocumented MSDOS function int 21h/3302h.
_________________________________________________________________
DISCLAIMER
THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR EXTERNAL TO NOVELL.
NOVELL MAKES EVERY EFFORT WITHIN ITS MEANS TO VERIFY THIS INFORMATION.
HOWEVER, THE INFORMATION PROVIDED IN THIS DOCUMENT IS FOR YOUR INFORMATION
ONLY. NOVELL MAKES NO EXPLICIT OR IMPLIED CLAIMS TO THE VALIDITY OF THIS
INFORMATION.
_________________________________________________________________
Self-Extracting File Name: PAT314.EXE
Files Included Size Date Time
PAT314.TXT (This File)
IBMDOS.314 39239 1-10-92 3:14a
README of PATCH314.EXE
Product: DR DOS 6.0
Description: This patch modifies Int 21h/33xxh, the Ctrl Break handler
to support undocumented MSDOS function int 21h/3302h
ASSUMPTIONS:
1. The file IBMDOS.314 is in the root directory of your C:\ drive.
2. TaskMAX is not loaded.
INSTALLATION INSTRUCTIONS:
1. Remove the attributes from the current working copy of IBMDOS.COM
From the C prompt:
Type: ATTRIB -RSH IBMDOS.COM
Press <ENTER>
2. Make a backup copy of IBMDOS.COM
Type: COPY IBMDOS.COM C:\DRDOS\IBMDOS.OLD
Press <ENTER>
3. Replace the original IBMDOS.COM with the patched IBMDOS.314
Type: COPY IBMDOS.314 IBMDOS.COM
Press <ENTER>
4. Verify the copied file is the correct size, date and checksum
Type: CD \
From the C prompt:
Type: XDIR IBMDOS.COM /C
Press <ENTER>
The following message will display:
--a--- 39,239 1-10-92 3:14a C964 c:ibmdos.com
NOTE: In Archive attribute (a) may be set, however it is not a required
attribute.
5. Replace the System, Hidden, Read-Only attributes on IBMDOS.COM
Type: ATTRIB +RSH IBMDOS.COM
Press <ENTER>
6. Reboot the computer.