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- Path: sparky!uunet!mcsun!sunic!chalmers.se!etek.chalmers.se!tl
- From: tl@etek.chalmers.se (Torbj|rn Lindgren)
- Newsgroups: comp.dcom.modems
- Subject: Re: scout+/16550/16550A ID
- Message-ID: <1993Jan21.195249.5587@etek.chalmers.se>
- Date: 21 Jan 93 19:52:49 GMT
- References: <C11BBs.J3C@andy.bgsu.edu> <1993Jan20.112148.1020@robkaos.GUN.de>
- Sender: Torbjorn Lindgren
- Organization: Chalmers University of Technology, Gothenburg, Sweden
- Lines: 13
-
- >The difference between 16550 and 16550A seems to be somewhat subtle.
- >Under DOS I have several programs which report a fifo chip.
- >But: The FAS 2.10 serial driver for SysV 3.2 386 UNIXs reports an
- >error. Unfortunately, I have no documentation about both 16550 and
- >16550A. Even the 16550 has a fifo, which is reported by 386bsd,
- >for example.
-
- The difference between 16550 and 16550A is definitely NOT subtle. The
- FIFO simply doesn't work correct in the 16550, and there is even is a
- simple and documented method of detecting wich of them it is.
-
- The difference between 16550A and 16550AF on the other hand is rather
- subtle.
-