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Article View: comp.sys.ibm.ps2.hardware
Article #1434

Re: Model 65sx COM1 problems...

#1434
From: mike
Date: Wed, 27 Jan 1993 15:13
41 lines
2457 bytes
In article <1993Jan27.030328.7626@ncsu.edu>,
eagle@garfield.catt.ncsu.edu (Daniel L'Hommedieu) writes:
|> I have a PS/2 Model 65sx that is connected via serial port to a terminal
|> server.  The connection is 19.2kbps, and I'm running OS/2 2.0.
|> 
|> I have trouble downloading at any speed higher than 2400 bps.  When I
|> try to go faster, I get so many errors that the average CPS rate is
|> around 75, no matter what speed I use.
|> 
|> A friend has a very similar setup (Model 55sx, running OS/2 2.0), but he
|> has no problems maintaining 1500 cps downloads.
|> 
|> Now, uploads are no problem--they go at around 1400-1500 cps very
|> easily.
|> 
|> Is there something wrong with the 65sx in general, or is this a problem
|> that I need to have fixed (i.e. send my motherboard back to IBM)?
|> 
|> Any ideas?  Please email.  Thanks.
|> 
|> Daniel
|> --
|> Daniel "eagle" L'Hommedieu / Junior, NCSU CSC Dept / eagle@catt.ncsu.edu
|> "It will not be easy.  It will require sacrifice."--President Bill
|> Clinton in his inaugural speech, 20 January 1993.  Translation: "we're
|> getting ready to tax the hell out of you."

I run a 25 MHz 386 model 80 and have just the opposite problem.
Downlaods > 1600 cps are fine but uploads are terrible!
I think its it's a problem with either my comm software (Telix 3.20)
or my modem (Dallas 14.4K).  I'm going to try different software sometime
soon.  I hope its not my modem.
Another problem I see is when I turn on screen capture (to file),
I can have to pause every screen, otherwise it seems to go too fast
and I get garbled data.
I've tried COM1 and and expansion card COM2 and COM3 so I really
don't think its my COM port hardware.

Mike                              __  __o         / "Everythin's IMHO,
Kincer@owgvm6.vnet.ibm.com       __   \<,        /    and nobody else's!"
~~~~~~~~~~~~~~~~~~~~~~~~~~    ______()/ ()______/
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Message-ID: <1993Jan27.151322.40151@watson.ibm.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!news.univie.ac.at!scsing.switch.ch!univ-lyon1.fr!ghost.dsi.unimi.it!rpi!news.ans.net!newsgate.watson.ibm.com!yktnews!admin!watson!donut.endicott.ibm.com!mike
References: <1993Jan27.030328.7626@ncsu.edu>

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From: mike@donut.endicott.ibm.com ()
Subject: Re: Model 65sx COM1 problems...
Sender: @watson.ibm.com
Message-ID: <1993Jan27.151322.40151@watson.ibm.com>
Date: Wed, 27 Jan 93 15:13:22 GMT
Reply-To: kincer@owgvm6.vnet.ibm.com
References:  <1993Jan27.030328.7626@ncsu.edu>
Organization: IBM FSC Owego
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