RESEND: Re: CTPATH Vs. DVP

[Jim Hollenback]

On Sep 28, 10:54am, Jim Reisert wrote:
> Subject: RESEND:  Re: CTPATH Vs. DVP
> Date: Wed, 28 Sep 1994 10:45:34 +30000
> From: Steve Harrison <sharriso@sysplan.com>
> To: John Zapisek <k2mm@maspar.com>
> Cc: ct-user@mlo.dec.com
> Subject: Re: CTPATH Vs. DVP
> 
> On Tue, 27 Sep 1994, John Zapisek wrote:
> > 
> > Changing the DVP's IRQ from 7 to 5 didn't help or hurt.  After fixing the
> > environment, we put it back to IRQ 7.  The DVP seems quite content to share
> > IRQ 7 with LPT0:
> > 
> I ran across something similar: my Zoom 14.4 internal FAX/modem board 
> also uses IRQ7, and the printer on LPT1 runs just fine. Haven't tried 
> printing with the modem running too, though. Steve, KO0U/4

that's because the printer does not cause interupts, i.e., it just listens.
The port addressing is different between the printer and modem and that
is how things are kept straight. Now if both the printer and modem were to
bang on the IRQ, life would be more difficult.

Jim, WA6SDM
jholly@cup.hp.com