Re: [NTLK] NCU Connection Error code -1

From: Tony Kan (tony.kan_at_clear.net.nz)
Date: Wed Apr 10 2002 - 06:31:20 EDT

Thanks for the help. I have just spent the last couple of hours tweaking
the slowdown slide bars and trying out different combinations of
communication speeds with varying degrees of success. The best I've got is
about five seconds of backup. Is there a better way than the Monte Carlo
(i.e. pot luck) approach that I'm currently taking to get a stable
connection?

Supplementary questions:

Presumably the "speed" slider slows down the CPU, but what does the
"reaction" slider do? May be if I understood its meaning it might help me
to make more intelligent choices.

Thanks in advance
Tony.

-----Original Message-----
From: newtontalk-bounce_at_newtontalk.net
[mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Laurent Daudelin
Sent: Wednesday, 10 April 2002 5:09 p.m.
To: NewtonTalk
Subject: Re: [NTLK] NCU Connection Error code -1

on 10/04/02 01:01, Tony Kan at tony.kan_at_clear.net.nz wrote:

> Hi Newtonians
> Excitedly unwrapped my Mac-to-PC serial cable and hooked up the dongle to
> the MP2k, installed NCU and rebooted the PC. Connecting is becoming
> important because there is only 420k left in internal storage (no flash
card
> yet) and moving stuff to the PC might relieve that. So I went through the
> procedure according to the manual for establishing a connection.
>
> A connection gets established (i.e. all the buttons on NCU become
undimmed)
> and seems stable until I hit the backup key and then the following error
> message appears.
>
> "The communication was stopped because of a communication error (-1)"
>
> Went through trying slower and slower communication speeds but the error
> code is displayed even for 2400. Checked the FAQ but it doesn't seem to
> cover this problem. What does error "-1" mean?
>
> Oh I'm operating Win2k on a machine with 256Mb RAM, 1GHz AMD Duron.

This has been mentioned a few times, I'm surprised it's not mentioned in the
FAQ (Victor or Paul?). With a 1 Ghz machine, you'll probably have to run
"SlowDown.exe" one or twice to let NCU keeps up with the serial data
pipeline. Available on UNNA <http://www.unna.org/>.

-Laurent. 

--
=====================================================================
Laurent Daudelin            <http://home.cox.rr.com/nemesys>
Logiciels Nemesys Software         mailto:nemesys_at_cox.rr.com

brain dump n.: [common] The act of telling someone everything one knows
about a particular topic or project. Typically used when someone is going to
let a new party maintain a piece of code. Conceptually analogous to an
operating system core dump in that it saves a lot of useful state before an
exit. "You'll have to give me a brain dump on FOOBAR before you start your
new job at HackerCorp." See core dump (sense 4). At Sun, this is also known
as `TOI' (transfer of information).

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