Check out this URL: http://www.comtrol.com/sales/SPECS/rocket.htm Cheers! Bo Berglund PaddelvŠgen 10, S-17545 JŠrfŠlla, Sweden e-mail: bo.berglund@mailbox.swipnet.se ---------- From: Martin Buchholtz[SMTP:mtech@GTE.NET] Sent: den 25 maj 1997 04:09 To: PICLIST@MITVMA.MIT.EDU Subject: Re: 4 COM ports 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.