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Date: Tue, 07 Aug 2007 15:50:15 -0700
From: Ivor Bowden <ivorlist AT peritek DOT com>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: DOS MODE command patch for CTTY w/o CTS / DSR ?
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Reply-To: djgpp AT delorie DOT com

Thanks Brad, I tried that. DOS 3.21 doesn't have those options for MODE. 
I can't use a Windows version, I need to access hardware directly. The 
problem is I can not access the DSR/DTR signals to jump them, they are 
not available. Still looking for a workaround.
Ivor

on 8/7/2007 3:02 PM PDT Brad Reidselth wrote:
>> -----Original Message-----
>> From: Ivor Bowden [mailto:ivorlist AT peritek DOT com]
>> Sent: Tuesday, August 07, 2007 2:02 PM
>> To: djgpp AT delorie DOT com
>> Subject: DOS MODE command patch for CTTY w/o CTS / DSR ?
>>
>> Hi, this isn't strictly a djgpp question, but I was hoping someone here
>> would know this. I need to boot DOS via serial port (to debug the
>> graphics). It works with mode "COM1: 96,n,8,1" and "ctty com1", but only
>> if hardware handshaking (RTS/CTS & DTR/DTS) are connected.
>> Unfortunately, on the system I need to debug these signals are not
>> available. So the question is, does anyone know of a way around this - a
>> patched MODE command version, for example?
>> Thanks,
>> Ivor
>>
>> --
>> Posted via a free Usenet account from http://www.teranews.com
> 
> 
> Some MODE programs let you set signal sensitivity.
> Try typing MODE /? or HELP MODE to see if that feature is available.
> 
> Or you can patch your serial cable.
> Just short RTS with CTS and DTR with DSR.
> It's not a bad idea to perform this at both ends of the cable too.
> Null modem cables usually come configured like that anyway.
> 
> 

-- 
Posted via a free Usenet account from http://www.teranews.com