Google (search terms: "Serial port designations in Win32") is your friend (sometimes):
http://www.tetraedre.com/advanced/serial2.php?new_lang=en re Development of VHDL & Verilog modules

which says, among many other things:

COM10 and above
On Microsoft Windows, you can use COM1 to COM9 to access serial ports but to access ports with numbers above 9, you need to use the following port name : \\.\COM10.
Note that it is also possible to used \\.\COM1 to access COM1.

Don't know if this is relevant to your problem but here's hoping it some help.


++$anecdote ne $data



In reply to Re: Win32::SerialPort can't find device by ww
in thread Win32::SerialPort can't find device by tikihiki

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.