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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!src.honeywell.com!tcscs!zeta
- From: tcscs!zeta@src.honeywell.com (Gregory Youngblood)
- Newsgroups: comp.os.os2.misc
- Subject: Re: Serial I/O cards?
- Keywords: serial uart
- Message-ID: <qmwgwB2w165w@tcscs.UUCP>
- Date: Sun, 27 Dec 92 20:00:01 CST
- References: <1992Dec27.205914.19315@qucis.queensu.ca>
- Reply-To: zeta%tcscs@src.honeywell.com
- Organization: TCS Consulting Services
- Lines: 38
-
- jardined@qucis.queensu.ca (Donald Jardine) writes:
-
- > >
- > >Any serial card that you can physically plug the chips into will do just fin
- > >There are folks out there who claim that the card must be specifically
- > >designed for the 16550; this is bunk.
- > >--
- > >Jay Maynard, EMT-P, K5ZC, PP-ASEL | Never ascribe to malice that which can
- > >jmaynard@oac.hsc.uth.tmc.edu | adequately be explained by stupidity.
- >
- > Not quite true. I recently bought an IO card with a 16450 on it as COM2, had
- > our electronics technician unsolder it, install a socket, and install
- > a real NS16550AFN. OS2 now refuses to even recognize that COM2 is present,
- > let alone use the uart.
-
- Sounds like the chip wasn't put it very well...or there was an accident, or
- that was a bad chip. Accidents happen. Don't give up so quick.
-
- > No, I have not tried the obvious test of putting a 16450 in the socket, but
- > I had a similar experience with an Everex board that was supplied with
- > a socketed 16550. OS2 wouldn't recognize the COM port on that board either,
- > lthough ordinary DOS would do so. Peculiarly enough, the Everex DOS
- > diagnostics wouldn't run on their 16550AFN uart port either, even under
- > MS DOS!
-
- Can't help you on this one.. sorry.
-
- The BOCA I/O 2by4 seems to be a solid serial card for OS/2. 4 ports
- with the equivalent of 16550's each. I've had some problems with the
- parallel portion, but I'm waiting for a new card next week that is supposed
- to be better... I'll be posting to the net as soon as I have it working now.
-
- Greg
-
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