Article View: comp.sys.ibm.pc.misc
Article #10016Need **LOTS** of COM ports
From: david nugent
Date: Mon, 20 May 1991 08:05
Date: Mon, 20 May 1991 08:05
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1526 bytes
blaise@kira.UUCP (Christopher Blaise) writes: >From article <1991May16.205258.4191@dosli.govt.nz>, by srlncnc@badger.dosli.govt.nz (Chris Crook): >> Is there any way of putting more than 4 COM ports onto a PC for a >> bulletin board application. > Look into a digiboard (name of manufacturer escapes me). TBBS uses > it exclusively, and the configuration that it recommends (never tried it > with any others), is simply using COM1 and/or COM 2 with different > interrupts for each line/modem... Ah.. but the Digiboard is one of those neat devices which can share IRQ's between different COM ports. Provided your software understands this, and perhaps can take advantage of the shared port mask available on the bus, then you shouldn't have any problems in using them all on the same IRQ. -- David Nugent Unique Computing Pty Limited Communications/PC/Unix Consulting 3:632/348@fidonet 28:4100/1@signet Internet/ACSnet: david@csource.oz.au Uucp: ..!uunet!munnari!csource!david
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!spool.mu.edu!uunet!munnari.oz.au!csource!david From: david@csource.oz.au (david nugent) Newsgroups: comp.sys.ibm.pc.misc Subject: Need **LOTS** of COM ports Message-ID: <1874@csource.oz.au> Date: 20 May 91 08:05:04 GMT Article-I.D.: csource.1874 References: <1991May16.205258.4191@dosli.govt.nz> <1991May19.163538.882@uvm.edu> Organization: Unique Computing Pty Ltd, Melb, Aust. Lines: 21