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Path: utzoo!utcs!tj
From: tj@utcs.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: com2/DOS problem
Message-ID: <1986Nov23.175249.7926@utcs.uucp>
Date: Sun, 23-Nov-86 17:52:49 EST
Article-I.D.: utcs.1986Nov23.175249.7926
Posted: Sun Nov 23 17:52:49 1986
Date-Received: Sun, 23-Nov-86 17:57:58 EST
References: <2368@ecsvax.UUCP>
Reply-To: tj@utcs.UUCP (tj)
Organization: University of Toronto Computing Services, general purpose UNIX
Lines: 4
Keywords: com2
Checksum: 50752

I think this is the classic problem of not receiving the proper modem
control signals at the various rs232 pins. Now some boards allow you to
use jumpers to force certain signals true or false and I suspect that your
COM1 port is this way and COM2 does not have CTS and DTR true.