PCI device problem

[Spectra9]

Hi all.

I'm using a PCI modem card with WinXP. The motherboard is Asus P4P800 and XP
is installed with the Multiprocessor ACPI HAL. APIC is enabled. The problem
is WinXP is giving the modem a high IRQ number (23) and the modem does not
seem to like it, the machine will totally hang whenever I try to access the
modem's property page. Is there a way to force it to have a low IRQ either
through the BIOS or WinXP itself?

Regards,
Budy

 

[Cari MS-MVP]

Providing you have the BIOS correctly set to ACPI and Plug and Play to
Disabled, there shouldn't be any problems...

http://support.microsoft.com/default.aspx?scid=kb;en-us;314068

Cari
www.coribright.com

 

[Spectra9]

Hi, thx for the reply.

ACPI option is indeed set in the BIOS
By Plug and Play, did you mean 'Plug and Play OS' option? It's set to No

I think the problem is not with ACPI and IRQ sharing, but with APIC giving
it a high IRQ number (greater than 15, 23 in this case). It worked ok on my
previous mobo where I setup WinXP WITH ACPI, but without APIC.

Regards,
Budy

 

[Cari MS-MVP]

If you change the PCI slot it's in, does that change the IRQ at all?

Cari
www.coribright.com

 

[Spectra9]

Yes it does change.

Btw, it turns out that there's a driver update for my modem and it seems to
solve the problem . Anyway, thx for your help

Regards,
Budy