COM3/COM4 support for DOS 3.20 on IBM PC/AT

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Article #15809

#15809

From: whna
Date: Thu, 12 Mar 1987 11:39

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I need the sources of a device driver or stay-resident program that will add
support for the COM3 and COM4 devices under DOS 3.20 on an IBM PC/AT.
One of these additional devices will be used for a modem card supported by
a communications program which has the ability to talk to COM3 and COM4.
For this purpose, minimal configurability of the driver is needed, e. g. to
set the hardware interrupt (IRQ) number.

If you know about such a device driver please reply to whna@cgcha.UUCP.
Thanks for any hints,
Heinz Naef.

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watnot!watmath!clyde!rutgers!seismo!mcvax!cernvax!cgcha!whna
From: whna@cgcha.UUCP
Newsgroups: comp.sys.ibm.pc,comp.sources.wanted
Subject: COM3/COM4 support for DOS 3.20 on IBM PC/AT
Message-ID: <313@cgcha.UUCP>
Date: Thu, 12-Mar-87 06:39:46 EST
Article-I.D.: cgcha.313
Posted: Thu Mar 12 06:39:46 1987
Date-Received: Sun, 15-Mar-87 13:52:51 EST
Organization: CIBA-GEIGY AG, FO/WIRZ/WRZ, CH-4002 Basel, Switzerland
Lines: 10
Keywords: COM3, COM4, device driver, stay resident program