Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!dali.cs.montana.edu!caen!sdd.hp.com!hp-pcd!hpsgwp!plim From: plim@hpsgwp.sgp.hp.com (Peter Lim) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: 16550a with win3.0 Message-ID: <3370024@hpsgwp.sgp.hp.com> Date: 6 May 91 02:43:43 GMT References: <1588@acf5.NYU.EDU> Organization: HP Singapore IC Design Ctr Lines: 24 / david@csource.oz.au (david nugent) / 7:01 pm May 2, 1991 / writes: $ The problem is that Windows 3.x (enhanced mode) contains a virtual driver $ for the UART, and any communications package doing "bare metal" I/O doesn't $ have direct access to the hardware, and only "talks" with the virtual $ [etc. etc. deleted] $ So, has anybody written a 16550 Windows driver to replace the one supplied by Windows 3.0 ? ... At least in Windows, you can change the driver by supplying a new one and alter the appropriate lines in SYSTEM.INI file. Regards, ___o``\________________________________________________ ___ __ _ _ Peter Lim. V````\ @ @ . .. ... .- -> 76 MIPS at under US$20K !! --- -- - - /.------------------------------------------------ === == = = >--_// . .. ... .- -> 57 MIPS at under US$12K !! `' . If you guessed SUN, IBM or DEC, you are wrong ! E-mail: plim@hpsgwg.HP.COM Snail-mail: Hewlett Packard Singapore, Tel: (065)-279-2289 (ICDS, ICS) Telnet: 520-2289 1150 Depot Road, Singapore 0410. #include