Boca Research makes 4 and 8 port serial boards. Another company (can't think of their name right now, but I have some at work) makes an 8 port board with a dynamic 32K buffer. Harold Harold Hallikainen phone/fax/bbs +1 805 541 0201 Hallikainen & Friends, Inc. web http://slonet.org/~hhallika PO Box 4737 email hhallika@slonet.org San Luis Obispo, CA 93403-4737 email hhallika@broadcast.net USA email ap621@cleveland.freenet.edu On Sat, 24 May 1997 22:09:42 -0400 Martin Buchholtz writes: >Any clue as to who makes these boards ?? > >Thanks, > >Martin > >---------- >> From: Gerhard Fiedler >> To: PICLIST@MITVMA.MIT.EDU >> Subject: Re: 4 COM ports >> Date: Monday, April 22, 1996 8:34 AM >> >> At 09:04 21/04/97 -0600, Ed Todd wrote: >> >- you need one IRQ for each port that is to be used at the same >time. >You >> >need to learn which IRQ's are >> >> There are, for those who need it really badly, some multi serial >boards >> with drivers out there which allow you to put all (like 4 or 8) >their >> serial channels on one interrupt. Their driver then handles this and >maps >> it to the different Windows COM ports. >