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Kevin Sherwood wrote:
<blockquote cite="mid:BLU130-W138F0CE8C97CB2A1E6A683DE000@phx.gbl" type="cite">
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</style>One thing I've noticed with using USB-serial adapters and
NMEA data streams is if data is coming across as Windows detects the
hardware, it often confuses it for a serial mouse, causing all kinds of
issues as the pointer jumps everywhere and clicks at random. Making
sure Windows recognizes the USB-Serial adapter before plugging it in to
the device seems to be the only way to avoid this.<br>
<br>
</blockquote>
<br>
<br>
This is caused by Windows "Plug-N-Pray" attempting to identify the
device beyond the serial port. (In the old days, modems, mice or
printers attached to serial ports were detected and installed this way.)<br>
<br>
Microsoft has a small freeware command-line utility for Win2K and XP,
"ComDisable", that will stop Windows from trying to detect what is
attached to the port. Contrary to the name, it does NOT disable the
port; it only stops detection of whatever is attached to it. This
utility completely eliminates the headache of active
(powered-on-at-boot) GPS receivers being falsely indentified as
Microsoft trackballs. This utility is located on the sprawling
Microsoft website and also on my webserver at:<br>
<br>
<a class="moz-txt-link-rfc2396E" href="http://wa8lmf.net/miscinfo"><http://wa8lmf.net/miscinfo></a> <br>
<br>
Scroll down the list of down-loadable documents and utilities, and look
for "<b>ComDisable.msi</b>" . Althrough this is a Windows-style .MSI
install package, the utility unpacked by this install is a command-line
program. You have to open a black window "Command Prompt" a.k.a. "DOS
Box" to actually run the program. <br>
<br>
You only need to run the disable command once - the settings "stick" in
the Windows Registry for future boots. <br>
<br>
<br>
<br>
<br>
--<br>
<br>
Stephen H. Smith wa8lmf (at) aol.com <br>
EchoLink Node: 14400 [Think bottom of the 2M band]<br>
Home Page: <a class="moz-txt-link-freetext" href="http://wa8lmf.com">http://wa8lmf.com</a> --OR-- <a class="moz-txt-link-freetext" href="http://wa8lmf.net">http://wa8lmf.net</a><br>
<br>
World Digipeater Map<br>
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/APRSmaps">http://wa8lmf.net/APRSmaps</a><br>
<br>
JavAPRS Filter Port 14580 Guide <br>
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/aprs/JAVaprsFilters.htm">http://wa8lmf.net/aprs/JAVaprsFilters.htm</a><br>
<br>
"APRS 101" Explanation of APRS Path Selection & Digipeating <br>
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/DigiPaths">http://wa8lmf.net/DigiPaths</a> <br>
<br>
Updated "Rev H" APRS <a class="moz-txt-link-freetext" href="http://wa8lmf.net/aprs">http://wa8lmf.net/aprs</a><br>
Symbols Set for UI-View, <br>
UIpoint and APRSplus:<br>
<br>
<br>
<br>
<br>
<br>
<br>
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