Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!elroy.jpl.nasa.gov!swrinde!zaphod.mps.ohio-state.edu!samsung!munnari.oz.au!brolga!bunyip.cc.uq.oz.au!oat!qut.edu.au!lemon From: lemon@qut.edu.au Newsgroups: comp.windows.ms.programmer Subject: Re: Windows RS 232 and 16550 Message-ID: <1991Feb5.122755.23412@qut.edu.au> Date: 5 Feb 91 17:27:55 GMT References: Organization: Queensland University of Technology Lines: 28 In article , ingea@IFI.UIO.NO (Inge Arnesen) writes: > As have been pointed out by many, the COMMs handling in Windows 3 in 386 > Enhanced mode is simply awful! Character loss will occur at high speeds on > both high speed DX's and 16MHz SX's. > > The 8250/16440 compatible chip NS 16550, mainly a chip suited for UNIX, XENIX > or other non-realtime OS's, saves the day for Windows 3 users. I've had the > chips around for a while, but only last week did I fetch the soldering iron > and did some surgery to an old RS card. > > Installing a serial driver in CONFIG.SYS patched up for the 550 FIFO support, > and.... whiz bang! 38400 baud without problems on a 20MHz SX. > Can you tell me what driver you used, and how you setup the system.ini and win.ini files, as i have tried a number of times and windows in enh mode only every see's a 16450 with no fifo's. -- ------------------------------------------------------------------------------- John Lemon _--_|\ INTERNET: Faculty of Information Technology / \ lemon@qut.edu.au Queensland University of Technology \_.--._/ lemon@snow.fit.qut.edu.au Queensland, Australia v BBS: Ph +61-7-3721268 -------------------------------------------------------------------------------