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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!spool.mu.edu!umn.edu!csus.edu!netcom.com!srtest
- From: srtest@netcom.com (Sunrise Test Systems)
- Subject: Re: Have I been hosed?
- Message-ID: <1992Dec15.090141.7133@netcom.com>
- Organization: Netcom - Online Communication Services (408 241-9760 guest)
- X-Newsreader: Tin 1.1 PL5
- References: <FuXsVB1w165w@vicuna.ocunix.on.ca>
- Date: Tue, 15 Dec 1992 09:01:41 GMT
- Lines: 29
-
- Steve Frampton (frampton@vicuna.ocunix.on.ca) wrote:
- : Hi everyone:
- :
- : I recently spent $40 for a serial upgrade chip (yes, I know I was over-
- : priced, and I made a point of mentioning this to the retailer. He made
- : it quite clear that he could care less -- oh well, I'll never shop at
- : Altair again). I specifically asked for the 16550AFN chip (3 times), I
- : was given the 16550AN chip.
-
- My understanding of the 16550AFN vs the 16550AN is the "F" stands
- for an internal FIFO. If you have a fast modem, the FIFO is
- pretty much the whole reason you want this particular chip.
-
- :
- :
- : I am having a couple problems, however. I am trying to take advantage of
- : this chip under OS/2, yet when I use the MODE command on it, as in:
- :
- : MODE COM1:19200,N,8,1,,TO=OFF [...] BUFFER=ON (or BUFFER=AUTO)
- :
- : My system responds, "BUFFER parameter not supported by this serial
- : device". Strange. Why!?
-
- I'm not up on my OS/2, but could it have something to do with the
- missong FIFO? I doubt it, but PC OSs hardly every make sense
- (Take DOS for example).
-
- Sorry about the 16550 missing letter,
- Jon
-