Re: IRQ trouble

Jeroen-bart Engelen (yeep@xs4all.nl)
Fri, 14 Aug 1998 08:34:25 +0200 (MET DST)

> > > I can't disable anything on my videocard.
> > > Don't we just all love PnP? :-)
> > >
> > > And I never saw that option in my BIOS.
> > > Besides, I thought IRQ9 was (unofficially) reserved for videoboards?
> > IRQ 9 is cascaded to IRQ 2, so technically it doesn't exist. ( although my
> > sportster winmodem uses IRQ 9 ;()
>
> Yes. My modem is on what I refer to as IRQ 2. In DOS programs,
> I set the software to use IRQ 2 and everything works. If I use
> "IRQ 9", nothing works.

Hmmm....

> In Windows 3.1/95 I have to set it to IRQ 9 or nothing works. In
> Linux, I set it to IRQ 2 and it works.

Why won't Linux detect that an IRQ is in use then?
Or does it?
It doesn't with IRQ9 on my system.

> PC hardware is braindamaged IMHO. It would be nice to see a new
> architecture with a PIC with 256 IRQ's, all non-cascaded in one
> chip. Same goes for DMA and any other resources.

We'll probably seen DNA chips before :-))

Yeep

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