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- Path: sparky!uunet!spool.mu.edu!umn.edu!csus.edu!netcom.com!netcomsv!nitelog!michael.hagerty
- From: michael.hagerty@nitelog.com (Michael Hagerty)
- Newsgroups: comp.os.os2.misc
- Subject: Re: Serial I/O cards?
- Message-ID: <8312.244.uupcb@nitelog.com>
- Date: 31 Dec 92 17:00:00 GMT
- Distribution: world
- Organization: Nitelog BBS - Monterey, CA - 408-655-1096
- Reply-To: michael.hagerty@nitelog.com (Michael Hagerty)
- Lines: 25
-
- On 12-30-92, DONALD JARDINE wrote to ALL:
-
- DJ> Not quite true. I recently bought an IO card with a 16450 on it as
- DJ> COM2, had our electronics technician unsolder it, install a socket, and
- DJ> install a real NS16550AFN. OS2 now refuses to even recognize that COM2
- DJ> is present, let alone use the uart.
-
- DJ> No, I have not tried the obvious test of putting a 16450 in the socket,
- DJ> but I had a similar experience with an Everex board that was supplied
- DJ> with a socketed 16550. OS2 wouldn't recognize the COM port on that
- DJ> board either, lthough ordinary DOS would do so. Peculiarly enough, the
- DJ> Everex DOS diagnostics wouldn't run on their 16550AFN uart port
- DJ> either, even under MS DOS!
-
- I suspect that a trace may have been broken or such, as I have had none
- of these problems and have replaced the 16450 on some really cheap cards
- without complaint from OS/2. In one instance I have had to roll back as
- the Miracle Piano actually seems to work better with a 16450 rather than
- a 16550. Weird, but then MP software is attempting to treat the comm
- port as a "pseudo-MIDI" port...
-
- Regards, Mikey (michael.hagerty@nitelog.com)
-
- * JABBER v1.3B1 #B042 * Learn Japanese at home, cultivate a nejibiki...
-
-