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Article #8532

Re: Can you Copy to COMn: in DOS/ How to

#8532
From: bobm
Date: Thu, 23 Oct 1986 18:46
18 lines
1424 bytes
	The problem is that the standard IBM BIOS and device drivers must
	see "true" signals on the DSR and CTS inputs. If you are using a 
	three-wire connection (transmit, recieve and ground), or if the 
	remote device does not support these signals, you will get "Not
	Ready" errors. The solution is to use a fully wired cable, or at
	least bring through the DSR (pin 6), CTS (pin 5) and RLSD (pin 8)
	lines. Chances are that your remote device forces these	lines true,
	which will make the bios happy. If it does not, then you need to 
	wire up a quickie connector that ties those signals high. The 
	easiest way to do this is to wire the three pins mentioned above
	to pins 20 (DTR) and 4 (RTS). These two signals are outputs from the 
	PC that are always held high. 

	Bob May
	hplabs!hp-pcd!bobm

	
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Message-ID: <15200039@hpcvlo.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!sri-spam!sri-unix!hplabs!hp-pcd!bobm
References: <8826@watarts.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!sri-spam!sri-unix!hplabs!hp-pcd!bobm
From: bobm@hp-pcd.UUCP (bobm)
Newsgroups: net.micro.pc
Subject: Re: Can you Copy to COMn: in DOS/ How to
Message-ID: <15200039@hpcvlo.UUCP>
Date: Thu, 23-Oct-86 13:46:00 EST
Article-I.D.: hpcvlo.15200039
Posted: Thu Oct 23 13:46:00 1986
Date-Received: Mon, 27-Oct-86 01:39:15 EST
References: <8826@watarts.UUCP>
Organization: Hewlett-Packard - Corvallis, OR
Lines: 18
Nf-ID: #R:watarts:-882600:hpcvlo:15200039:000:801
Nf-From: hpcvlo!bobm    Oct 23 09:46:00 1986