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Article #13

more than 4 com-ports

#13
From: david wess
Date: Tue, 03 Nov 1992 11:46
31 lines
1669 bytes
MS>        Does anyone know how one could possibly have
MS>        more than 4 Com-ports in one computer? I've an 286
MS>        machine running under Ms-dos 5.0 and as far as I
MS>        understand the operating system sets the limit.

MS>        I have to connect:
MS>        1)      printer (my printer doesn't have parallel)
MS>        2)      mouse
MS>        3)      telephone modem *)
MS>        4)      packet radio modem
MS>        5)      RTTY-modem

MS>                *) this goes to an expansion card slot but
MS>                still takes one interrupt address

MS>        Could there be some special device driver which would
MS>        permit more ports in expansion cards? I don't quite
MS>        like the idea of a big switch  for some external
MS>        devices -  even if I don't have to have all of them
MS>        connected and running the
You can definitely have more than 4 ports, but you will need special
hardware to do it.  A couple of companies make special boards which
enable eight com ports.  These are expensive - in the area of $ 500 or
more.

David Wess
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Path: arc1-ca.pugleaf.net!sparky!uunet!walter!bellcore!rutgers!psinntp!psinntp!execnet![david.wess@execnet.com]
From: david.wess@execnet.com (david wess)
Newsgroups: comp.periphs
Subject: more than 4 com-ports
Message-ID: <1992Nov3.872.1372@execnet>
Date: 3 Nov 92 11:46:24 GMT
Reply-To: "david wess" <david.wess@execnet.com>
Distribution: comp
Organization: Executive Networks Information
Lines: 31