cvs commit: src/sys/dev/acpica acpi_quirks acpi_timer.c acpivar.h

Nate Lawson nate at root.org
Sat Oct 9 20:03:43 PDT 2004


M. Warner Losh wrote:

> In message: <4167178E.3050303 at root.org>
>             Nate Lawson <nate at root.org> writes:
> : Some slots force irq sharing but if you have devices that can't handle 
> : that irq, they fail.  This is especially on older systems that have an 
> : ISA and PCI slot that share an irq line.
> 
> Are there such systems like this that actually work?  We've been
> telling people that they can't share PCI and ISA interrupts because
> ISA is edge triggered and PCI is level triggered.  

My Abit BP6 has such a configuration for the last slot.  You can only 
put a PCI card OR ISA card in, not both.

-- 
Nate


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